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