New innovative self-flush straining filtration design of constant clean membrane, constant cake filtration unit operation technique are substituted the conventional filtration and membrane separation unit operation technique and application to do the wide, automatic and continuous concentration, extraction, screening, filtration, purification, dewatering, separation and drying unit operation process application  

The unit operation technique and application of filtration and membrane separation are very important at the biotechnology process operation of concentration, extraction, screening, filtration, purification, dewatering, separation and drying application

Due to the unit operation effect of conventional filtration and membrane separation are hard to concentrate, extract, screen, filter, purify, separate, dewater and dry the bio-matters of biologicals, microorganisms and bio-enzyme effectively to do the simple, fast, economic, convenient and effective concentration, extraction, screening, filtration, purification, dewatering, separation and drying application

We described the comparsion of new innovative self flush filtration and membrane separation design and conventional filtration and membrane separation design, and the point of new innovative self flush filtration and membrane separation design and conventional filtration and membrane separation design being applied at biotechnology process operation and application  

              The conventional filtration technique, design and application are normally

       applied the 5~1 mm metal filter, 10~400 metal mesh and 100~1 micron filter

       cloth or cartridges at solid, powder, water, liquid, process treatment for

       concentration, screening, filtration, purification, separation, dewatering and

       drying application over 100 years, 

       Up to now, they can still not breakthrough and overcome the accumulative

       cake filtration effect of filter media, and hard to control the filtration cake

       variation of filter media to do the wide and effective concentration,

       screening, filtration, purification, separation, dewatering and drying 

       application  

        [point] apply the pore size of filter media to filtrate out the debris on the filter media

                      being formed the cake filtration effect, the filtration effect are devided into the

                      pre-cake filtration effect and post-cake filtration effect  

                                            post-cake filtration

   [benefit] 1. can be filtered the debris more clear after cake filtration

                           2. can be directly applied at process concentration, screening, purification,

                              separation, dewatering and drying operation treatment

                          3. suitable for batched process high concentration contents of water, liquid,

                              products concentration, screening, purification, separation, dewatering

                              and drying treatment and application

   [defect]   1. the filter media are easy to be straining cake filtration to reduce down the

                               straining flow rate effectively

                           2. after cake filtration, the straining flow rate too small are hard to apply at

                               the large volumes of water, liquids and products continuous concentration,

                               screening, purification, separation dewatering and drying application

                           3. The filter media are bacterial contamination growth bed which would be

                               contaminated about 10 ^{4 ~ 5} CFU/ml bacterial contaminations after

                               3~7  days used without disassembled, clean and replacement  

       [The effect of conventional backwash design and application]

         apply the automatic backwash design to flush the straining cake debris out of filter

         media to clean the filter media clear, to recover the filtration effect of filter media for

         further effective automatoc and continuous filtration operation and application  

   [benefit] 1. to backwash the filter media clean clear automatically for continuous

                               filtration application

                           2. to eliminate the filter media to be disassembled, clean and replacement

    [defect]  1. to waste about 1/3 volumes of filtered clean water to backwash the cake

                               filter media clear for reuse

                           2. hard to backwash the cake filter media clear effectively, and still needed  

                               to disassemble, clean and replace the filter media after several times of

                               backwash operation and application

    2. The new innovative self-flush straining technique, design

        and application of constant clean membrane, constant

        cake filtration and constant dialytic osmosis operation  

          The unit operation of new innovative self-flush straining technique, design

        and application of constant clean membrane, constant cake filtration and

        dialytic osmosis unit operation are controlled the straining cake variation of

        straining media by new innovative self-flush design which are functioned  

        filter media at constant clean membrane, constant cake filtration and

        dialytic osmosis operation for wide and effective water, liquid, powder,

        wastewater, production process concentration,  screening, purification,

        filtration separation, dewatering and drying treatment and application  

   [point] apply the new innovative self-flush technique and design to function the filter

                      media at the constant clean membrane, constant cake filtration and dialytic

                      osmosis unit operation to do the constant clean membrane, constant cake

                      filtration and dialytic osmosis straining application    

water  liquid  powder  product

→

↓   　 　  filter   media        ↓

→

→ → →

constant clean membrane    constant cake filtration    constant dialytic osmosis

        a. The unit operation of constant clean membrane filtration design and application

        b. The unit operation of constant cake filtration design and application

        c. The unit operation of constant dialytic osmosis design and application  

        [benefit]  1. to flush the straining filter media clear up to 90~95% constantly and

                               effectively for continuous filtration operation to reduce down the filter

                               media to be disassembled, clean and replacement effectively

                           2. without wasted the clean water, or the filtered purified water, liquid to

                                flush the straining cake filter media clear

                           3. for wide, automatic, continuous and large volumes unit operation of

                               concentration, screening, filtration, purification, separation, dewatering

                               and drying treatment and application

     [defect]  1. units expensive and needed more much capitals investment

    1. The unit operation of conventional membrane separation

        technique, design and application

       The conventional membrane separation technique, design and application

        are normally applied the 0.45~0.001 micron rating SMF/UF/NF/RO

        membrane at the water, liquid, products process treatment for

        concentration, screening, filtration, purification, separation, dewatering

        and drying application over 30 ~50 years  

        Up to now, they can still not breakthrough and overcome the accumulative

        cake filtration effect of filter media, and hard to control the variation of cake

        filtration of filter media for wide and effective concentration, screening,

        filtration, purification, separation, dewatering and drying application  

  [point] apply the pore size of SMF/UF/NF/RO filter media to filtrate out the debris on

                     the filter media being formed the cake filtration effect, the filtration effect are

                     devided into the pre-cake filtration effect and post-cake filtration effect  

                                    pre-cake filtration

                                                               post-cake filtration

  [benefit] 1. can be filtered the debris more clear after cake filtration

                         2. can be directly applied at process concentration, screening, purification,

                             separation, dewatering and drying operation treatment

                         3. suitable for low silt density index batched process water, liquid, products

                             concentration, screening, purification, separation dewatering and drying

                             treatment and application  

   [defect]  1. the filter media are easy to be straining cake filtration to reduce down the

                             straining flow rate effectively

                         2. after cake filtration, the straining flow rate too small are hard to apply at

                             the large volumes of water, liquids and products continuous concentration,

                             screening, purification, separation dewatering and drying application

                         3. The filter media are bacterial contamination growth bed which would be

                             contaminated about 10 ^{2 ~ 3} CFU/ml bacterial contaminations after 3~7

                             days used without disassembled, clean and replacement  

             apply the automatic backwash design to flush the straining cake debris out of filter

         media to clean the filter media clear, to recover the filtration effect of filter media for

         further effective automatoc and continuous filtration operation and application  

   [benefit] 1. to backwash the filter membrane clear automatically for continuous

                              membrane filtration application

                           2. to eliminate the filter media to be disassembled, clean and replacement

                           3. the straining micron rate of scale filter membrane would be more finer

                              and smaller for further finer filtration purification application

   [defect]  1. to waste about 1/3 volumes of filtered clean water to backwash the cake

                             filter media clear for reuse

                          2. hard to backwash the cake filter media clear effectively, and still needed

                              to disassemble, clean and replace the filter media after several times of

                              backwash operation and application

                          3. the scale of straining cake membrane are hard to be flushed clear by

                              backwash design  

        The unit operation of new innovative self-flush membrane separation

         technique, design and application of constant clean membrane, constant

         cake filtration and dialytic osmosis operation are controlled the straining

         cake variation of filter media by new innovative self-flush design which

         are functioned filter membrane at constant clean membrane, constant cake

         filtration and dialytic osmosis unit operation for wide and effective water,

         liquid, wastewater, products process concentration, screening, purification,

         filtration, separation, dewatering and drying treatment and application

   [point] apply the new innovative self-flush technique and design to function the filter

                      membrane at the constant clean membrane, constant cake filtration and

                      dialytic osmosis unit operation to do the constant clean membrane, constant

                      cake filtration and dialytic osmosis straining operation and application  

water  liquid biologicla  product

→

↓    filter  membrane          ↓

→

→ → →

constant clean membrane (0.1~0.01 micron membrane)    constant cake filtration    constant dialytic osmosis

        a. The unit operation of constant clean membrane filtration design and application

        b. The unit operation of constant cake filtration design and application

        c. The unit operation of constant dialytic osmosis design and application

   [benefit]  1. to flush the straining filter media clear up to 85~95% constantly and

                               effectively for continuous filtration operation to reduce down the filter

                               media to be disassembled, clean and replacement effectively

                           2. without wasted the clean water, or the filtered purified water, liquid to

                               flush the straining cake filter media clear

                           3. for wide, automatic, continuous and large volumes unit operation of

                               concentration, screening, filtration, purification, separation, dewatering

                               and drying treatment and application

     [defect] 1. units expensive and needed more much capitals investment

The process operation of filtration, membrane separation technique, design and application of conventional backwash design are hard to breakthrough and overcome the following point and application:

1. extended the filtration effect of pre-cake filtration unit operation process

    treatment and application

2. controlled the straining micron rating of cake filtration and application

3. elevated the unit operation effect of filtration, membrane separation

    process treatment and application

4. to get rid of bacterial contaminations, and keep the filter and membrane at

    low bacterial contaminations of aseptic process filtration and application

5. apply the effect of pre-cake filtration and post-cake filtration for effective

    concentration, screening, filtration, purification, separation, dewatering and

    drying treatment and application

6. for specific substances to do effective concentration, screening, filtration,

    purification, separation, dewatering and drying treatment and application

7. how to flush the straining cake filter media clear, and eliminate the filter

    media to be disassembled, clean and replacement, and without wasted the

    purified water and liquid for flushing the filter media clear

New innovative self-flush filtration, membrane separation technique, design and application are overcomed and breakthrough the defect of conventional backwash design for effective unit operation process treatment and application

    [difference]  the difference of process concentration, extraction, screening,

                                   purification, filtration, separation, dewatering, drying effect

                                   and application  

     100                 50                         1                          0.2                            0.1                                  0.01                             0.001                            0.0001 

    micron           micron                micron                  micron                   micron                            micron                         micron                         micron

          (SDI: silt density index: included biofoulant, organic foulant, inorganic foulant, silica foulant)

   1. The process operation effect of conventional filtration,

      membrane  separation technique, design and application  

     A) The unit operation effect of conventional 600 mesh filter press technique,

           design and application (≧10 kg/cm²)  

      B) The unit operation effect of conventional 60~400 metal mesh, 5~1 micron

           cartridges filtration technique, design and application (≦3~5 kg/cm²)  

      C) The unit operation effect of conventional 0.45~0.2 micron membrane filter

           (SMF) filtration technique, design and application (≦3~5 kg/cm²)  

      D) The unit operation effect of conventional UF/NF/RO membrane filter

           filtration technique, design and application (≦3~5 kg/cm²)  

      E) The unit operation effect of conventional UF/NF/RO membrane filter

           filtration technique, design and application (≧10 kg/cm²)

       [remark] 1. The above effect of filtration application are described the unit

                          operation of process application which are disassembled, cleaned

                          and replaced the filter media daily and oftenly after cake filtration

                      2. The filtration effect are very different at the process treatment and

                          application of water purification system which not disassembled,

                          cleaned and replaced the filter media daily and oftenly to keep the

                          filter media at low bacterial contaminations process operation and

                          application

      A) The unit operation effect of constant clean membrane filtration operation  

      B) The unit operation effect of constant cake filtration operation  

      C) The unit operation effect of constant dialytic osmosis operation