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MBR Membrane Module Reinforced PVDF BM-SLMBR-20 Sewage Treatment

MBR Membrane Module Reinforced PVDF BM-SLMBR-20 Sewage Treatment

● Unique gradient reticular pore structure, high filtering precision and good output quality;

● Unbreakable hollow fibers, 3-layer protective structure, hollow fibers are not easy to fall off, service life can reach 5 years +;

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    Product Overview

    MBR is a combination of membrane technology and bio-chemical  reaction  in water treatment. MBR filter the sewage in bio-chemical tank with membrane so that sludge and water are separated. On one hand, membrane rejects microorganisms in the tank, which greatly increase the concentration of activated sludge to a high level, thus the bio-chemical reaction of sewage degradation processes more rapidly and thoroughly. On the other hand, water output is clear and of high quality because of high precision of membrane.

    This product adopts reinforced modified PVDF material, which will not peel or break  during  backwashing,  meanwhile  it  has  good  permeable  rate,  mechanical performance,  chemical  resistance  and  anti-fouling  ability.  ID  &  OD  of  reinforced hollow fiber membrane are 1.0mm and 2.2mm respectively, filtering precision is 0.1 micron.  Filtering  direction  is  outside-in,  that  is  raw  water,  driven  by  differential pressure, permeates into the hollow fibers, while bacteria, colloids, suspended solids and microorganisms etc. are rejected in the membrane tank.

    Applications

    ●Treatment, recycle and reuse of industrial waste water;

    ●Treatment of refuse leachate;

    ●Upgrade and reuse of municipal sewage.

    Filtration Performance

    Below  filtration  effects  are  proved  according  to  the  use  of  modified  PVDF hollow fiber ultrafiltration membrane in different types of water:

    No. Item outlet water index
    1 TSS ≤1mg/L
    2 Turbidity ≤1
    3 CODcr Removal rate depends on the bio-chemical performance & designed sludge concentration
    4 NH3-H (Instant removal rate ≤30% without bio-chemical)

    Specifications

    Size

    1

    Technical Parameters:

    Filtering Direction Outside-in
    Membrane Material Reinforced Modified PVDF
    Precision 0.1  micron
    Membrane Area 20m2
    Membrane ID/OD 1.0mm/ 2.2mm
    Size 785mm×1510mm×40mm
    Joint Size DN32

    Component Material:

    Component Material
    Membrane Reinforced Modified PVDF
    Sealing Epoxy Resins + Polyurethane (PU)
    Housing ABS

    Using Conditions

    Proper   pretreatments   must   be   set   when   raw   water   contains   a   lot   of impurities/coarse particles or large proportion of grease. Defoamer must be used to remove foams  in  membrane tank when  necessary,  please  use alcoholic defoamer which is not easy to scale.

    Item Limit Remark
    PH Range 5-9 (2-12 when washing) Neutral PH is better for bacterial culture
    Particle Diameter <2mm Prevent sharp particles to scratch membrane
    Oil & Grease ≤2mg/L Prevent membrane fouling/sharp flux decrease
    Hardness ≤150mg/L Prevent membrane scaling

    Application Parameters:

    Designed Flux 10~25L/m2.hr
    Backwashing Flux Twice the designed flux
    Operating Temperature 5~45°C
    Maximum Operating Pressure -50KPa
    Suggested Operating Pressure ≤-35KPa
    Maximum backwashing Pressure 100KPa
    Operating Mode Operate 9min & Stop 1min/Operate 8min & Stop 2min
    Blowing Mode Continuous Aeration
    Aeration Rate 4m3/h.piece
    Washing Period Clean water backwashing every 2~4h; CEB every 2~4 days;Offline washing every 6~12 months(Above information is for reference only, please adjustaccording to actual differential pressure change rule)
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