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
|
RO/ED/EDI pre-treatment are very important at the cost effective RO/ED/EDI treatment
|
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
|
|
|
|
|
|
|
|
|
|
|
before treatment: the larger than 0.1 micron contaminations distribution rate: >95~99%
|
Before treatment: the smaller than 0.1 micron contaminations distribution rate:<1~5%
|
|
||||
|
|
↓purification rate:90~95% |
↓purification rate:10~30% |
|
||||
|
|
after treatment: the larger than 0.1 micron contaminations residues: <5~10%
|
after treatment: the smaller than 0.1 micron contaminations distribution rate:<70~90%
|
|
||||
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
|
|
|
|
|
|
|
|
|
|
|
before treatment: the larger than 0.1 micron contaminations distribution rate: >95~99%
|
Before treatment: the smaller than 0.1 micron contaminations distribution rate:<1~5%
|
|
||||
|
|
↓purification rate:90~95% |
↓purification rate:>50~70% |
|
||||
|
|
after treatment: the larger than 0.1 micron contaminations residues: <5~10%
|
after treatment: the smaller than 0.1 micron contaminations distribution rate: <30~50%
|
|
||||
[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.
|
[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
|
3.The benefit and profit of water nanometric polymer product,
technology and design applied at RO/ED/EDI pre-treatment
|
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 |