High definition Membrane Bioreactor Process - MCR Membrane Module Reinforced PVDF BM-SLMCR-20 RO Pretreatment – Bangmo

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High definition Membrane Bioreactor Process - MCR Membrane Module Reinforced PVDF BM-SLMCR-20 RO Pretreatment – Bangmo Detail:

Product Overview

Submerged ultrafiltration (MCR) Technology is a water treatment technology which combines membrane technology and physico-chemical precipitation process. High-precision sludge-water separation of outlet from coagulation sedimentation tank can be done by submerged ultrafiltration (MCR), high filtering precision of memrbane insures high quality and clear water outlet.

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 0.03 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

● Purification of surface water;

● Reuse of heavy metal waste water;

● Pretreatment of RO.

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

Specifications

Size

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Chart 1 MBR Size

Technical Parameters:

Filtering Direction	Outside-in
Membrane Material	Reinforced Modified PVDF
Precision	0.03 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	15~40L/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	Continuous opeartion, intermittent backwashing air flushing
Blowing Mode	Continuous Aeration
Aeration Rate	4m3/h.piece
Washing Period	Clean water backwashing every 1~2h; CEB every 1~2 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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Membrane Bioreactor