2022 Latest Design Ultrafiltration Nanofiltration - MBR Membrane Module Reinforced PVDF BM-SLMBR-20 Sewage Treatment – Bangmo

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2022 Latest Design Ultrafiltration Nanofiltration - MBR Membrane Module Reinforced PVDF BM-SLMBR-20 Sewage Treatment – Bangmo Detail:

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	Water Output 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

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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
Hollow Fiber Membrane	Reinforced Modified PVDF
Sealing Compound	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.h
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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