The description of
New innovative RO/ED/EDI water
pre-treatment design and technology
water nanometric polymer
water suspended solids nano-polymer
water silt density index nano-polymer
RO/ED/EDI pre-treatment
water treatment
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RO/ED/EDI pre-treatment are very important at the cost effective RO/ED/EDI treatment
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1.The new innovative RO/ED/EDI pre-treatment
design and product of water suspended solids polymer
[design]
The one purification step of unit operation: can be concentrated, coagulated
the larger than 0.1 micron rate contaminations of impurities, solids, suspended
solids, bacteria, algae, color, oil/grease, gel, colloids, soap, detergent, urine,
manure, pesticide, fertilizer, ammonia, nitrates, phosphates, biomatter, organic
matter being transformed into silt sedimentation to purify the purified water
up to crystal clear and reduced down silt density index low than <3.0~5.0
effectively
[effect]
100 20 1 0.1 0.01 0.001 0.0001
micron micron micron micron micron micron micron
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before treatment: the larger than 0.1 micron contaminations distribution rate: >95~99%
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Before treatment: the smaller than 0.1 micron contaminations distribution rate:<1~5%
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↓purification rate:90~95% |
↓purification rate:10~30% |
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after treatment: the larger than 0.1 micron contaminations residues: <5~10%
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after treatment: the smaller than 0.1 micron contaminations distribution rate:<70~90%
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2.The new innovative RO/ED/EDI pre-treatment
design and product of water silt density index polymer
[design]
The one purification step of unit operation: can be concentrated, coagulated
the larger than 0.1 micron rate contaminations of impurities, solids, suspended
solids, bacteria, algae, color, oil/grease, gel, colloids, soap, detergent, urine,
manure, pesticide, fertilizer, ammonia, nitrates, phosphates, biomatter, organic
matter being transformed into silt sedimentation, also concentrated, coagulated
the smaller than 0.1 micron rate contaminations of organic matter, chemical,
toxic chemical, heavy metal, hardness, biomatter being transformed into silt
sedimentation, to purify the purified water up to crystal clear and reduced
down the silt density index low than <3.0~5.0 more effectively
[effect]
100 20 1 0.1 0.01 0.001 0.0001
micron micron micron micron micron micron micron
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before treatment: the larger than 0.1 micron contaminations distribution rate: >95~99%
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Before treatment: the smaller than 0.1 micron contaminations distribution rate:<1~5%
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↓purification rate:90~95% |
↓purification rate:>50~70% |
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after treatment: the larger than 0.1 micron contaminations residues: <5~10%
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after treatment: the smaller than 0.1 micron contaminations distribution rate: <30~50%
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[The purification point of RO/ED/EDI treatment]
1.The purification point of natural clear water treatment at the
water resources sufficient area
[general purification contaminations]
The contaminations of impurities, solids, suspended solids, bacteria, hardness,
organic matter, slime being purified
2.The purification point of contaminated water treatment at the
water resources insufficient and out of water supply area
[general purification contaminations]
The contaminations of impurities, solids, suspended solids, bacteria, hardness,
organic matter, slime being purified
[main purification contaminations]
algae, virus, pesticides, fertilizer, herbicide, soap, detergent, oil/grease, urine,
manure, ammonia, nitrates, phosphates, hydrocarbon, garbage, carcass, organic
matter, chemical, toxic chemical, heavy metal and etc.
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[Th delusion of conventional RO/ED/EDI pre-treatment technology, product and design] hard to do cost effective purification treatment to purify the silt density index contaminations of suspended solids, bacteria, algae, virus, fertilizer, pesticides, herbicide, soap, detergent, oil/grease, phosphates, ammonia, nitrates, urine, manure, organic matter, chemical, toxic chemical, heavy metal of biofoulant, organic foulant, inorganic foulant and silica foulant clear effectively (except SMF/UF/NF/RO/distillation)
一.The situations of conventional RO pre-treatment design applied at the different water treatment:
1. normally availably used at hardness low than<50 ppm, SDI low than<3.0 city water treatment being purified up to ultrapure water 2. RO membrane are easy caked and scaled being applied at hardness High than >150 ppm, SDI high than >5.0 city water treatment 3. RO membrane are very easy caked and scaled being applied at SDI high than >5.0 underground water treatment 4. RO membrane are very easy caked and scaled being applied at SDI high than >5.0 underground water treatment 5. RO membrane are very easy caked and scaled being applied at TDS high than >1000~10000 ppm sea water desalination treatment
二.The correlation of conventional RO treatment and the silt density index of RO pre-treatment water purification treatment:
The point of RO treatment application are sought how to be increased RO treatment capacity, eliminated RO backwash water flushed and wasted, extended RO membrane reuse and reduced down purification cost and expense effectively; However, The silt density index of RO pre-treatment water are the main index to determine whether the RO treatment can be done effective purification treatment to increase RO treatment capacity, eliminate RO backwash water being used, extend RO membrane reuse and reduce down purification cost and expense effectively or not
1. The correlation between conventional RO treatment capacity and the silt density index of RO pre-treatment water
a. The effect of the different silt density index of low BOD/COD/TDS contents RO pre-treatment water being filtered at the RO unit (like city water RO treatment) flow rate of RO RO membrane (gallons per days, GPD)
1/2~2 hours 5~10 days 2~3 weeks 1~3 months [remark ] 1. above curve are shown at 3~5 kg/cm2 working fluid pressure filtration 2. the filtration and purification effect are very different at 3~5 kg/cm2 and 12~14 kg/cm2 working fluid pressure filtration treatment 3. curve dotted line are shown the RO filtration effect after RO membrane backwash will be eliminated gradually
b. The effect of the different silt density index of high BOD/COD/TDS contents RO pre-treatment water being filtered at the RO unit (like sea water RO treatment) flow rate of RO RO membrane (gallons per minutes, GPM)
1/2~2 hour 1~2 days 5~10 days 15~30 days [remark ] 1. above curve are shown at 3~5 kg/cm2 working fluid pressure filtration 2. the filtration and purification effect are very different at 3~5 kg/cm2 and 12~14 kg/cm2 working fluid pressure filtration treatment 3. black dotted line are shown the RO filtration effect after RO membrane backwash will be eliminated gradually
2. The correlation between the RO membrane use and the silt density index of RO pre-treatment water a. The silt density index, SDI: >5.0: the RO membrane will be replaced at per 3~6 months use b. The silt density index, SDI: <4.0~5.0: the RO membrane will be replaced at per 6~9 months use c. The silt density index, SDI: <3.0~4.0: the RO membrane will be replaced at per 1~2 years use d. The silt density index, SDI: <1.0~3.0: the RO membrane will be replaced at per 3~5 years use
三. The comparison of conventional RO process treatment design are applied at city water, surface water and sea water treatment
1. The effect of conventional RO treatment design are applied at the city water treatment 100 0.1 0.001 0.0001 micron micron micron micron
[remark] 1. RO pre-treatment design: 5~1 micron filer + carbon filter + ion exchange resin a. SS purification rate: 80~90% b. BOD/COD purification rate: 50~90% c. TDS removing rate: 70~90% 2. The silt density index of RO pre-treatment water are determined the RO membrane cake/scale rate and RO membrane use a. SDI: 4.2~4.5: RO membrane are uneasily caked and scaled, RO membrane can be used up to 2~3 years b. SDI: 1.0~3.0: RO membrane can be used up to 3~5 years
2. The effect of conventional RO treatment design are applied at the surface water and underground water treatment 100 0.1 0.001 0.0001 micron micron micron micron
[remark] 1. RO pre-treatment design: PAC + 5~1 micron filer + carbon filter + ion exchange resin a. SS purification rate: 80~90% b. BOD/COD purification rate: 50~90% c. TDS removing rate: 70~90% 2. The silt density index of RO pre-treatment water are determined the RO membrane cake/scale rate and RO membrane use a. SDI: 4.2~4.5: RO membrane are uneasily caked and scaled, RO membrane can be used up to 6~9 months b. SDI: 1.0~3.0: RO membrane can be used up to 9~18 months
3. The effect of conventional RO treatment design are applied at the brackish water, sea water and brine water treatment 100 0.1 0.001 0.0001 micron micron micron micron
[remark] 1. RO pre-treatment design: PAM + 5~1 micron filer + carbon filter + ion exchange resin a. SS purification rate: 80~90% b. BOD/COD purification rate: 50~90% c. TDS removing rate: 1~10% 2. The silt density index of RO pre-treatment water are determined the RO membrane cake/scale rate and RO membrane use a. SDI: 4.2~4.5: RO membrane are uneasily caked and scaled, RO membrane can be used up to 3~6 months b. SDI: 1.0~3.0: RO membrane can be used up to 6~9 months
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3.The benefit and profit of water nanometric polymer product,
technology and design applied at RO/ED/EDI pre-treatment
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1. The purpose of the economic, fast, effective and cost-effective RO/ ED/EDI pre-treatment design of water nanometric polymer are designed to purify the SDI contaminations of impurities, solids, suspended solids, algae, bacteria, color, pesticide, fertilizers, soap, detergent, oil/grease, ammonia, phosphates, nitrates, urine, manure, organic matter, chemical, toxic chemical, heavy metal clear up to low than 3.0~5.0 effectively: to improve the conventional RO/ED/ EDI pre-treatment to eliminate the bacteria, algae, soap, detergent, oil/grease, urine, manure, bio-matter, colloid contaminations being formed the viscous cake and scale silt on the RO/ED/EDI unit [description] a. The silt density index are the cake and scale factor to determine how much the concentration of biofoulant, organic foulant, inorganic foulant and silica foulant being accumulated on the RO/ED/EDI unit b. The bacteria, algae, soap, detergent, oil/grease, urine, manure, bio-matter, colloid contaminations are the main contaminations being formed the viscous cake and scale silt on the RO/ED/EDI unit
2. The purpose of water nanometric polymer applied at the RO/EDI/ ED pre-treatment to concentrate, coagulated the contaminations of impurities, solids, suspended solids, bacteria, algae, color, pesticide, fertilizers, soap, detergent, oil/grease, ammonia, phosphates, nitrates, urine, manure, organic matter, chemical, toxic chemical, heavy metal being transformed into silt sedimentation clear and purified the silt density index of pre-treatment water low than 3.0~ 5.0 of crystal clear water effectively: to purify the pre-treatment water up to crystal clear being reduced down SS/BOD/COD/toxic chemical, heavy metal contents, eliminated the loads of RO/EDI/ distillation post-treatment design and increased the treatment effect and capacity of RO/ED/EDI/distillation post-treatment design effectively [description] The silt density index of pre-treatment water are the main guide to determine whether the effect of RO/ED/EDI/distillation treatment design can do cost- effective treatment and application or not
3. The purpose of RO/ED/EDI pre-treatment to concentrate, coagulate and eliminate the bacteria, algae, soap, detergent, oil/grease, urine, manure, biomatter, colloid contaminations being formed the viscous cake and scale silt on the RO/ED/EDI unit: to increase the flush and backwash effect to clean the filtrated silt out of RO/ED/EDI unit, eliminated the backwash and flush water wasted and recover the RO/ED/EDI treatment effect effectively [description] a. The viscous cake and scale silt are more less, The filtrated silt are more easy to be backwashed and flushed clear effectively b. only needed small volumes of backwash and flush water to be flushed and backwashed the low viscous cake and scale silt clear effectively c. prevented larger volumes of backwash and flush water being used to be eliminated desalination cost and expense effectively
4. The purpose of RO pre-treatment are applied to purify the silt density index of the backwash water clear effluent clear effectively for water reuse treatment: to do zero-discharge and wasteless treatment, and eliminated purification cost and expense effectively [description] The conventional RO backwash water effluent are very huge quantities up to 1/10~1/5 RO treatment capacities.
[point 1] conventional RO/ED/EDI pre-treatment design are hard to availably used at low SS/SDI/BOD/ COD water treatment being purified silt density index up to low than 3.0~5.0 [point 2] conventional RO/ED/EDI design are availably used at low SS/SDI/TDS/BOD/COD water treatment being purified up to ultrapure water [point 3] how to do effective RO/ED/EDI pre-treatment design to purify silt density index up to low than 3.0~5.0 for RO/ED/EDI effective treatment and application will be the main development of RO/ED/EDI pre-treatment improvement [point 4] The effect of transformation design like the dilution design can be reduced down SS/BOD/ COD/SDI concentration fast and effectively (The effect of water nanometric polymer are shown at the following experiment test)
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The description of
conventional
RO/ED/EDI pre-treatment
water treatment
Equal to the description the pre-treatment of desalination treatment, city wastewater being purified up to city water, water reclamation, reclaimed water treatment, wastewater reuse, ultrapure water treatment and etc.
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1. The design of conventional RO/ED/EDI design and units are normally designed to be availably applied at the low SS/BOD/COD/SDI/TDS contaminations: SS:<10 ppm, BOD/COD:< 1~3 ppm, SDI:<1.~5.0, TDS:<50 ppm of water, wastewater and sea water to purify the impurities, solids, suspended solids, bacteria, algae, organic matter, oil/grease, emulsion, colloids, chemical, total dissolved solids, toxic chemical, heavy metal clear up to ultrapure water or fresh water treatment and application 2. The conventional RO/ED/EDI pre-treatment design are normally designed to be applied to purify the water contaminations of impurities, solids, suspended solids, bacteria, algae, oil/grease, emulsion, organic matter, bio-matter, colloids, chemical, total dissolved solids, toxic chemical, heavy metal clear to reduce down the silt density index of bio-foulant, inorganic foulant, organic foulant and silica foulant effectively for further effective RO/ED/EDI units treatment and application 3. The pre-treatment process design of RO/ED/EDI units are determined the factor of RO/ED/EDI process design treatment whether can do simple, convenient, economic, cheap, effective and practical treatment and application: the cake and scale conditions, the usage and expiry conditions, the process investment, and the purification costs and expense of RO/ED/EDI unit operation 4. The design of conventional RO/ED/EDI pre-treatment are easy to do low process investment, low purification costs and expense treatment and application at the water resources sufficient area and era, but hard to low process investment, low purification costs and expense treatment and application at the water resources insufficient and run out of water supply area and era. 5. The silt density index test of RO/ED/EDI pre-treatment design can be monitored the cake and scale situations and conditions of RO/ED/EDI design and units being usage whether can be performed the low purification costs and expense treatment and application |
ㄧ. The object, design, function, effect, restrictions and defect of
conventional RO/ED/EDI design and unit
1. The object, design, function, effect, restrictions and defect of
conventional RO design and unit
a. The object of RO (reverse osmosis) purification treatment
applied the RO (reverse osmosis) membrane to filter and purify the water
contaminations of impurities, solids, suspended solids, bacteria, algae,
hardness, organic matter, bio-matter, chemical, total dissolved solids, toxic
chemical, heavy metal clear effectively which are hard to be purified clear
by the conventional water treatment design and units
b. The design, function, effect, restrictions and defect of RO design
and unit
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RO unit |
description |
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design |
constituted of the 0.001~ 0.0001 micron rate reverse osmosis membrane |
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main effect and function |
To filter, purified and separated out the smaller than 0.1 micron rate contaminations of impurities, solids, suspended solids, bacteria, algae, hardness, organic matter, biomatter, chemical, total dissolved solids, toxic chemical, heavy metal clear effectively which are hard to be purified clear by the conventional water treatment design and units |
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restrictions |
Must be designed the best process pre-treatment purification design to purify the silt density index of bio-foulant, organic foulant, inorganic foulant and silica foulant clear and reduced down to low than 3.0~5.0 for further effective RO design and unit purification treatment to do low purification costs and expense of economic, effective and practical purification treatment and application |
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defect |
1. the RO membrane are easy to be caked and scaled at purification treatment 2. the treatment capacity are too small and hard to do low purification costs and expense purification treatment and application |
[remark] 1. RO design and unit applied at the low SS/BOD/COD/SDI/TDS
contaminations: low than SS:<5~10 ppm, BOD/COD:<1~3 ppm,
TDS:<50 ppm, SDI:<3.0~5.0 of city water being purified to ultra
pure water treatment are easy to perform the low purification
costs and expense purification treatment and application
2. RO design and unit applied at the high SS/BOD/COD/SDI/TDS
contaminations of water, wastewater and seawater treatment are
also performed the effective purification effect and treatment,
but the RO membrane are only easy to be caked and scaled, the
treatment capacity are only too small and the purification costs
and expense are only higher and expensive
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The RO
design and unit can be applied at the low SS/BOD/COD/TDS/SDI
contaminations: low than SS:<5~10 ppm, BOD/COD:<1~3 ppm, TDS:<50
ppm, SDI:<3.0~5.0 of clear raw water treatment to do the low
purification costs and expense purification treatment and
application The RO design and unit can be also applied at the high SS/BOD/COD/TDS/SDI contaminations of water, wastewater and sea water treatment to do effective purification treatment and application, but the RO membrane are only easy to be scaled and caked, the treatment capacity are only too small and the purification costs and expense are only too high and expensive |
2. The object, design, function, effect, restrictions and defect of
conventional ED/EDI design and unit
a. The object of ED/EDI (electro-deionization, electro-dialysis)
purification treatment
applied the ED/EDI (electro-deionization, electro-dialysis) to electrolyte
and purify the water contaminations of hardness, minerals, total dissolved
solids, heavy metal clear which are hard to be purified clear effectively
by the conventional water treatment design and units
b. The design, function, effect, restrictions and defect of ED/EDI
design and unit
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ED/EDI unit |
description |
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design |
constituted of the positive and negative electric plate and rod installations |
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main effect and function |
To electrolyte, bind and purify the water contaminations of minerals, hardness, total dissolved solids, heavy metal clear effectively which are hard to be purified clear by the conventional water treatment design and units |
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restrictions |
Must be designed the best process pre-treatment purification design to purify the silt density index of bio-foulant, organic foulant, inorganic foulant and silica foulant clear and reduced down to low than 3.0~5.0 for further effective ED/EDI design and unit purification treatment to do high efficiency, and low purification costs and expense purification treatment and application |
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defect |
1. the positive/negative plate and rods are easy to be caked and scaled at purification treatment 2. the purification effect will be eliminated after the positive/negative plate and rods being caked and scaled, the purification costs and expense will be increased highly and hard to do low purification costs and expense purification treatment and application |
[remark] 1. ED/EDI design and unit applied at the low SS/BOD/COD/SDI/
TDS contaminations: low than SS:<5~10 ppm, BOD/COD:<1~3
ppm, TDS:<50 ppm, SDI:<3.0~5.0 of city water, wastewater, sea
water treatment being purified to ultrapure water or fresh water
treatment are easy to perform the low purification costs and
expense purification treatment and application
2. ED/EDI design and unit applied at the high SS/BOD/COD/SDI/
TDS contaminations of water, wastewater and seawater treatment
are also performed the purification effect and treatment, but the
ED/EDI electrolytic plate and rods are only easy to be caked and
scaled, the treatment effect are only eliminated effectively and
the purification costs and expense are only higher and expensive
二. The object, design, function, effect, restrictions and defect of
conventional RO/ED/EDI pre-treatment design and unit
1. The object, design, function, effect, restrictions and defect of
conventional RO pre-treatment design and unit
a. The object of RO (reverse osmosis) pre-treatment design and unit
applied the RO pre-treatment design and unit to filter and purify the
pre-treatment water contaminations of impurities, solids, suspended solids,
bacteria, algae, hardness, organic matter, bio-matter, chemical, total
dissolved solids, toxic chemical, heavy metal clear and reduced the silt
density index of biofoulant, organic foulant, inorganic foulant and silica
foulant down to low than 3.0~5.0 effectively for further effective RO
purification treatment and application to do effective low purification costs
and expense purification and application
b. The process purification treatment design of conventional RO
pre-treatment design and unit
The process purification treatment design of conventional RO pre-treatment
design and unit are divided into the low pre-treatment water contaminations
and high pre-treatment water contaminations process purification treatment
design treatment and and application
a. The conventional low pretreatment water contaminations RO pretreatment
process purification treatment design: like city water treatment
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city water
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→ |
sand filter + carbon filter |
→ |
ion exchange resin |
→ |
1~5 micron MF filter |
→ |
RO pre-treatment water |
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↓ |
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↓ |
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↓ |
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↓ |
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↓ |
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raw water SS: <5~10 ppm BOD: <1~3 ppm COD: <1~3 ppm TDS: <50 ppm |
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purification rate: BOD: >80~90% COD: >80~90% |
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purification rate: TDS: >80~90% |
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purification rate: SS: >80~90%
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residues: SS: <0.5~2 ppm BOD: <0.1~0.6 ppm COD: <0.1~0.6 ppm TDS: <5~10 ppm |
[remark] 1. The RO pre-treatment water normally called “pure water”
a. conductivity: 3~5 megaohm
b. silt density index: SDI <3.0~5.0
c. residues:: SS:<0.5~2 ppm, BOD:<0.1~0.6 ppm,
COD:<0.1~0.6 ppm,TDS:<5~10 ppm
2. normally SS/BOD/COD/SDI/TDS water contaminations of city
water are low than SS:<5~10 ppm, BOD/COD:<1~3 ppm, TDS:
<50 ppm and SDI :<3.0~5.0
b. The conventional high pretreatment water contaminations RO pretreatment
process purification treatment design: like reclaimed water, wastewater and
seawater treatment
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reclaimed water, city waste water, sea water
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→ |
aeration + PAC/PAM polymer |
→ |
carbon + ion exchange resin
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→ |
1~5 micron MF filter |
→ |
RO pretreatment water |
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↓ |
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↓ |
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↓ |
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↓ |
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↓ |
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→ |
PAC purification rate SS: >80~90%
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→ |
carbon purification rate BODCOD: >80~90%
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→ |
purification rate: SS: >80~90%
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→ |
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→ |
PAM purification rate:SS/ BOD/COD /TDS: >80~90% |
→ |
ion exchange resin purification rate TDS: >80~90% |
→ |
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→ |
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[remark] the SS/BOD/COD/TDS contaminations of raw water
1. reclaimed water: SS:>10~30 ppm, BOD/COD:>30 ppm, TDS:>300 ppm
2. city wastewater: SS:>30~50 ppm, BOD/COD:>100 ppm, TDS:>500 ppm
3. sea water: SS:>50~100 ppm, TDS:>15000~35000 ppm,
Above SS/BOD/COD/TDS contaminations of impurities, solids, suspended
solids, bacteria, algae, organic matter, chemical, total dissolved solids, toxic
chemical, heavy metal are hard to be purified clear and the silt density index
of biofoulant, organic foulant, inorganic foulant, silica foulant down to low
than 3.0~5.0 effectively by the above process purification design and treatment
c. The design, function, effect, restrictions and defect of conventional
RO pre-treatment design and unit
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RO pretreatment design |
main function and effect of RO pretreatment design |
The restriction of RO pretreatment design |
The defect of RO pretreatment design |
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aeration design
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1.oxide and decompose organic matter, odor, color, chemical clear 2.increase the effect of impurities, solids, suspended solids, oil, grease sedimentation and separation |
available to be applied at SDI low than 3.0~5.0 of low SS/BOD/COD contaminations of clear water to purify the impurities, solids, suspend solids, organic matter, chemical clear effectively
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1.high SS/BOD/COD/TDS contaminated turbid water hard to be aerated clear effectively 2.the contaminations of bacteria, algae, hardness, organic matter, chemical, nitrates, phosphates, ammonia, hydrocarbon, total dissolved solids, toxic chemical,heavy metal are hard to be aerated clear effectively |
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leach, sand filtration design |
precipitate, purify and separate the impurities, solids, suspended solids, silt and sludge clear |
available to be applied at SDI low than 3.0~5.0 of low SS/BOD/COD contaminations of clear water to purify the impurities, solids, suspend solids clear effectively
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1.high SS/BOD/COD/TDS contaminated turbid water hard to be purified clear effectively 2.the contaminations of bacteria, algae, hardness, organic matter, chemical, nitrates, phosphates, ammonia, hydrocarbon, total dissolved solids, toxic chemical, heavy metal are hard to be precipitated and purified clear effectively |
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carbon filter design |
1. adsorb and purify color, odor, organic matter, chemical, toxic chemical clear 2. filter the impurities, solids, suspended solids clear |
available to be applied at SDI low than 3.0~5.0 of low SS/BOD/COD contaminations of clear water to purify the impurities, solids, suspend solids, organic matter, chemical clear effectively
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1.high SS/BOD/COD/TDS/color contaminated turbid water hard to be absorbed and purified clear effectively 2.the contaminations of organic matter, chemical, algae, hardness, ammonia, nitrates, phosphates, hydrocarbon, total dissolved solids, toxic chemical, heavy metal are hard to be absorbed and purified clear effectively |
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ion exchange resin design
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1.adsorb and purify hardness, minerals, slime, total dissolved solids, heavy metal clear 2. filter the impurities, solids, suspended solids clear |
available to be applied at SDI low than 3.0~5.0 of low SS/BOD/COD contaminations of clear water to purify the hardness, minerals, slime, total dissolved solids, heavy metal clear effectively
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1.high SS/TDS/harness/heavy metal contaminated turbid water hard to be absorbed and purified clear effectively 2.the contaminations of bacteria, algae, color, organic matter, chemical, ammonia, nitrates, phosphates, hydrocarbon, toxic chemical are hard to be absorbed and purified clear effectively |
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PAC coagulant (or alum) design |
1. coagulate and purify impurities, solids, suspended solids, color clear 2. adsorb, purify and reduce down bacteria, algae, organic matter contents |
available to be applied at SDI low than 3.0~5.0 of low SS/BOD/COD contaminations of clear water to purify the impurities, solids, suspend solids, organic matter, color clear effectively
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1.high SS/color contaminated turbid water hard to be absorbed and purified clear effectively 2. the contaminations of organic matter, chemical, ammonia, nitrates, phosphates, hardness, toxic chemical, hydrocarbon, total dissolved solids, heavy metal are hard to be absorbed and purified clear effectively |
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PAM polymer design |
1. coagulate and purify impurities, solids, suspended solids, color, organic matter, chemical, ammonia, nitrates, phosphates, hydrocarbon, toxic chemical, heavy metal clear 2. purify and reduce down SS/BOD/COD/heavy metal contents clear effectively |
available to be applied at SDI low than 3.0~5.0 of low SS/BOD/COD contaminations of clear water to purify the impurities, solids, suspend solids, organic matter, chemical, toxic chemical, heavy metal clear effectively
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1.high SS/BOD/COD, color, odor, toxicity, heavy metal wastewater are hard to be coagulated and purified clear effectively 2.the contaminations of oil/grease, gel, colloids, bacteria, algae, emulsion, organic matter, toxic chemical, heavy metal are hard to be coagulated and purified clear effectively |
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MF filter design |
to filter, purify and separate impurities, solids, suspended solids, bacteria, algae, organic matter clear
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available to be applied at SDI low than 3.0~5.0 of low SS/BOD/COD, bacteria, algae contaminations of clear water to purify the impurities, solids, suspended solids, bacteria, algae, organic matter clear effectively
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1. high SS/BOD/COD/TDS contaminated tubid water hard to be filtered and purified clear effectively 2. the contaminations of organic matter, chemical, ammonia, nitrates, phosphates, hardness, color, hydrocarbon, total dissolved solids, toxic chemical, heavy metal hard to be filtered and purified clear effectively |
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RO pre-treatment are determined RO process purification design treatment and application 1. The silt density index of RO pre-treatment are determined the usage and expiry of RO membrane a. SDI:<1.0~3.0, RO membrane can be used up to 3~5 years b. SDI:<3.0~4.0, RO membrane can be used up to 1~2 years c. SDI:<4.5~5.0, RO membrane only used to 6~9 months d. SDI:>5.0, RO membrane only used to 3~6 months or less
2. The silt density index of RO pre-treatment are also determined the treatment capacity of RO design a. The SDI value are determined RO membrane cake/scale rate, flow rate and filtration times b. The SDI value are determined RO membrane treatment capacity which are inverse ratio to SDI value c. RO treatment capacity = RO flow rate x filtration time
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2. The object, design, function, effect, restrictions and defect of
conventional ED/EDI pre-treatment design and unit
a. The object of conventional ED/EDI pre-treatment design and unit
applied the ED/EDI pre-treatment design and unit to filter and purify the
pre-treatment water contaminations of impurities, solids, suspended solids,
bacteria, algae, hardness, organic matter, bio-matter, chemical, total
dissolved solids, toxic chemical, heavy metal clear and reduced the silt
density index of biofoulant, organic foulant, inorganic foulant and silica
foulant down to low than 3.0~5.0 effectively for further effective EDI/ED
purification treatment and application to do effective low purification costs
and expense purification and application
b. The process purification treatment design of conventional ED/EDI
pre-treatment design and unit
The process purification design of conventional ED/EDI pre-treatment
design and unit are divided into the low pre-treatment water contaminations
and high pre-treatment water contaminations process purification treatment
design treatment and and application
a. The conventional low pretreatment water contaminations ED/EDI
pretreatment process purification design: like ultrapure water treatment
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city water, reclaimed water, seawater |
→ |
aeration + sand filter |
→ |
carbon + ion exchange resin
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→ |
1~5 micron MF filter |
→ |
RO unit |
→ |
ED/EDI Pre- treatment water |
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↓ |
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↓ |
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↓ |
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↓ |
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↓ |
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↓ |
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→ |
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→ |
carbon purification rate BOD/COD :>80~90%
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→ |
filtration rate: :SS:> 80~90%
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→ |
rejection rate: SS/ BOD/
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→ |
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→ |
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→ |
ion exchange resin purification rate: TDS: >80~90% |
→ |
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→ |
COD/ TDS:> 90~99% |
→ |
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[remark] the SS/BOD/COD/TDS contaminations of raw water
1. reclaimed water: SS:>10~30 ppm, BOD/COD:>30 ppm, TDS:>300 ppm
2. city wastewater: SS:>30~50 ppm, BOD/COD:>100 ppm, TDS:>500 ppm
3. sea water: SS:>50~100 ppm, TDS:>15000~35000 ppm,
[common use] 1. after above process design treatment, The ED/EDI units can
be purified the hardness, minerals, total dissolved solids, ions
and heavy metal clear effectively to do effective low
purification costs and expense purification and application
2. If the raw water are city water, The ED/EDI pre-treatment
water are normally called “ultrapure water”
a. conductivity: 18.2 mega-ohms
b. silt density index: SDI <1.0~3.0
c. residues: SS:<0.005~0.2 ppm, BOD:<0.001~~0.06 ppm,
COD:<0.001~~0.06 ppm, TDS:<0.05~0.1 ppm
b. The conventional high pretreatment water contaminations ED/EDI
pretreatment process treatment design: like city wastewater, reclaimed
water and seawater treatment
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reclaimed water, city waste water, sea water
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→ |
aeration + PAC/PAM polymer |
→ |
carbon + ion exchange resin
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→ |
1~5 micron MF filter |
→ |
ED/EDI pretreatment water |
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↓ |
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↓ |
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↓ |
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↓ |
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↓ |
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→ |
PAC purification rate SS: >80~90%
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→ |
carbon purification rate BODCOD: >80~90%
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→ |
purification rate: SS: >80~90%
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→ |
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→ |
PAM purification rate:SS/ BOD/COD /TDS: >80~90% |
→ |
ion exchange resin purification rate TDS: >80~90% |
→ |
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→ |
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[simple use] 1. The purified water can be purified the hardness, heavy metal,
total dissolved solids clear effectively by the ED/EDI unit
2. The ED/EDI unit are easy to be broken, failed and lose effect,
the electrolytic plate/rods are easy to be caked and scaled and
the purification costs and expense are only more expensive.
c. The design, function, effect, restrictions and defect of conventional
ED/EDI pre-treatment design and unit
The description are like above the design, function, effect, restrictions and
defect of conventional RO pre-treatment design and unit
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More use, more try, more test, more experiment and more analysis, You will be known how to do effective ED/EDI units usage and application, and how to do effective ED/EDI pre-treatment process design and application Eventually, We are more wished and hoped the economic, effective and practical EDI/ED design and units being development for further effective low purification costs and expense desalination treatment to solve the headache problems of water resources insufficient and run out of water supply |
三. The description of the silt density index test and monitoring of
RO/EDI/ED pre-treatment water treatment
a. The distribution chart of silt density index of water contaminations
100 20 1 0.1 0.01 0.001 0.0001
micron micron micron micron micron micron micron
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impurities, solids, suspended solids |
0.1 micron |
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22 micron |
bacteria |
0.2 micron |
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50 micron |
algae |
0.45 micron |
gel, colloid,emulsion |
100 MW |
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50 micron |
bio-matter, organic matter |
100 MW |
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oilà |
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Total dissolved solids |
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1,000,000 MW |
chemical, toxic chemical |
100 MW |
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↓ |
↓ |
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The distribution contents of larger than 0.1 micron particle size contaminations a.low SS/BOD/COD: >99% b.high SS/BOD/COD:<90~99% |
The distribution contents of smaller than 0.1 micron particle size contaminations a. low SS/BOD/CO : < 1% b.high SS/BOD/COD:>1~10% |
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↓ |
↓ |
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The distribution contents of larger than 0.1 micron rate of silt density index (SDI) a.low SS/BOD/COD: SDI: >99% b.high SS/BOD/COD: SDI:<90~99% |
The distribution contents of smaller than 0.1 micron rate of silt density index (SDI) a.low SS/BOD/COD: SDI: <1% b.high SS/BOD/COD: SDI: >1~10% |
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b. The distribution chart of the silt density index of RO/ED/EDI
pre-treatment water contaminations
Theoretically, the silt density index of RO/ED/EDI pre-treatment water
contaminations are meant that the larger than 0.45 micron rate silt density
index of biofoulant, organic foulant, inorganic foulant and silica foulant
contaminations after RO/ED/EDI pre-treatment process design treatment
Practically, the silt density index of RO/ED/EDI pre-treatment water
contaminations are included the larger than 0.45 micron rate silt density
index of biofoulant, organic foulant, inorganic foulant and silica foulant
contaminations and the smaller than 0.45 micron rate silt density index of
biofoulant, organic foulant, inorganic foulant, silica foulant contaminations
after RO/ED/EDI pre-treatment process design treatment
100 20 1 0.1 0.01 0.001 0.0001
micron micron micron micron micron micron micron
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impurities, solids, suspended solids |
0.1 micron |
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22 micron |
bacteria |
0.2 micron |
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50 micron |
algae |
0.45 micron |
gel, colloid,emulsion |
100 MW |
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50 micron |
bio-matter, organic matter |
100 MW |
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oilà |
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Total dissolved solids |
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1,000,000 MW |
chemical, toxic chemical |
100 MW |
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↓ |
↓ |
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The distribution contents of larger than 0.1 micron particle size contaminations a.low SS/BOD/COD: >99% b.high SS/BOD/COD:<90~99% |
The distribution contents of smaller than 0.1 micron particle size contaminations a. low SS/BOD/CO : < 1% b.high SS/BOD/COD:>1~10% |
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↓ |
↓ |
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The distribution contents of larger than 0.1 micron rate of silt density index (SDI) a.low SS/BOD/COD: SDI: <70~90 % b.high SS/BOD/COD: SDI:<50~70% |
The distribution contents of smaller than 0.1 micron rate of silt density index (SDI) a.low SS/BOD/COD: SDI: >10~30% b.high SS/BOD/COD: SDI: >30~50% |
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c. The silt density index test and monitoring of RO/ED/EDI
pre-treatment water contaminations
The silt density index test and monitoring of RO/ED/EDI pre-treatment water
contaminations are tested and monitored applied 0.45 micron filter paper to
detect the filtrated out 500 ml sampling volumes and times at 30 psi and 15
minutes continuous filtration, according to the cake filtration rate to evaluate
the correct silt density index at the RO/ED/EDI pre-treatment water
a. The formula of silt density index test and monitoring
SDI formula: SDI 15 = [ (1 – t0/t15 ) / 15] x 100
b. The value of conventional silt density index test and monitoring are only
offered as the some RO/ED/EDI pre-treatment water process purification
treatment design for further effective purification design application
The value of conventional silt density index test and monitoring are only
applied 0.45 micron filter paper to monitor the larger than 0.45 micron rate
silt density index of biofoulant, organic foulant, inorganic foulant and silica
foulant contaminations, but hard to monitor the smaller than 0.45 micron rate
silt density index of biofoulant, organic foulant, inorganic foulant and silica
foulant contaminations effectively
1. during 0.45 micron filter paper clear membrane filtration, The filtration
effect of 0.45 micron filter paper to filter and purify the 90~99% larger
than 0.45 micron rate water contaminations of the silt density index of
biofoulant, organic foulant, inorganic foulant and silica foulant on the filter
membrane effectively, but hard to filter and purify the smaller than 0.45
micron rate silt density index of biofoulant, organic foulant, inorganic
foulant, silica foulant contaminations on the filter membrane effectively
If the value of silt density index test and monitoring are monitored and
tested at this situations are normally low than <1.0~5.0
2. during 0.45 micron filter paper cake filtration, The filtration effect of 0.45
micron filter paper to filter and purify the 99~99.9% larger than 0.45
micron rate water contaminations of the silt density index of biofoulant,
organic foulant, inorganic foulant and silica foulant on the filter membrane
effectively, also filter and purify the 10~30% smaller than 0.45 micron rate
silt density index of biofoulant, organic foulant, inorganic foulant and silica
foulant contaminations on the filter membrane effectively
If the value of silt density index test and monitoring are monitored and
tested at this situations are normally higher than >5.0
3. The filtration and purification effect at the silt density index test and
monitoring of 0.45 micron filter paper test and monitoring
1) The 0.45 micron clean membrane purification effect before cake filtration
100 20 1 0.1 0.01 0.001 0.0001
micron micron micron micron micron micron micron
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larger than 0.45 micron rate silt density index |
smaller than 0.45 micron rate silt density index
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90~99% |
0% |
2) The 0.45 micron cake membrane purification effect after cake filtration
100 20 1 0.1 0.01 0.001 0.0001
micron micron micron micron micron micron micron
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larger than 0.45 micron rate silt density index |
smaller than 0.45 micron rate silt density index |
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99~99.9% |
10~30% |
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The silt density index test and monitoring of organic foulant, biofoulant, inorganic foulant, silica foulant of RO/ED/EDI pre-treatment water contaminations are determined and judged the cake/scale effect of RO membrane and the cake/scale/corrosion effect of EDI/ED electrolytic plate/rods, whether can do the effective low purification costs and expense, and effective purification treatment and application Not expected the conventional RO pre-treatment process purification treatment and design can be purified the silt density index clear effectively for further effective purification application, Due to The RO membrane are easy to be caked and scaled by the few and thin of bacteria, algae, colloids and silica foulant contaminations built on the RO membrane |
The description of
New innovative advance
Water Nano-polymer of
RO/ED/EDI pre-treatment
treatment
One-cut SS suspended solids water polymer treatment
One-way SDI silt density index water polymer treatment
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1.The design of Nano-polymer treatment are normally designed at the multi-effect, multi-function and high efficiency purification treatment and application operation 2.The design of Nano-polymer treatment are normally availably used at the RO/ED/EDI pre-treatment water purification treatment and application to purify the silt density index of biofoulant, organic foulant, inorganic foulant and silica foulant clear up to crystal clear water effectively 3.The design of Nano-polymer treatment are normally availably used at the RO/ED/EDI pre-treatment design to replace the SMF/UF/NF/RO/distillation design and units to purify the silt density index of biofoulant, organic foulant, inorganic foulant and silica foulant clear being reduced down the silt density index of pre-treatment water effectively |
[The principle of Nano-polymer treatment design and technology]
The design of Nano-polymer treatment technology are applied the proprietary specific functional mechanism (media) to function the specific water, wastewater, sea water contaminants being transformed into the concentrated, coagulated, fibrous and granular silt contaminants sedimentation, also applied the the concentrated, coagulated, fibrous and granular silt contaminants to adsorb and bind the untransformed water, wastewater, sea water contaminants into silt contaminants sedimentation to purify the purified water, wastewater, sea water up to crystal clear water effectively
The purification effect and design of Nano-polymer are distinguished into SS suspended solids water polymer and SDI silt density index water polymer:
1. The purification effect and design of suspended solids water polymer
The purification effect and design of silt density index water polymer are
designed to establish the functional mechanism to be functioned the water,
wastewater, sea water contaminants of impurities, solids, suspended solids,
bacteria, algae, oil/grease, color, odor, gel, colloid, organic matter being
transformed into the concentrated, coagulated, fibrous and granular silt
contaminants effect which can be directly transformed the larger than 0.1
micron rate water, wastewater, sea water contaminants of impurities, solids,
suspended solids, bacteria, algae, oil/grease, color, odor, gel, colloid, organic
matter being transformed into the concentrated, coagulated, fibrous and granular
silt contaminants sedimentation, also applied the the concentrated, coagulated,
fibrous and granular silt contaminants to adsorb and bind the untransformed
water, wastewater, sea water contaminants of larger than 0.1 micron rate
contaminants of impurities, solids, suspended solids, bacteria, algae, oil/grease,
color, odor, gel, colloid, organic matter and smaller than 0.1 micron rate
contaminants of water, wastewater, sea water contaminants sedimentation, to
purify the purified water, wastewater, sea water up to crystal clear water
effectively