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Silicon carbide pillar membrane

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Column membrane-190-1500 specifications

Effective filter area25㎡
Average pore size40nm
PH1-14
Operating temperature5-45℃
Shell materialfiberglass
Filtration methodCross-flow filtration/dead-end filtration
Maximum working pressure≤0.6MPa
Maximum backwash pressure≤3MPa
Pure water flux3500LMH
Backwashing methodPump backwashing


Column membrane-190-1500 water inlet and outlet parameters

Allowable inlet water turbidity≤100NTU
Allowed water ingress (TSS)≤200mg/L
Product water turbidity≤0.3NTU


Silicon carbide columnar membrane characteristics:


1. The silicon carbide membrane is fired using a recrystallization process at a sintering temperature of 2400°C. During the sintering process, the sintering neck between the silicon carbide aggregates undergoes a phase change process of solid → gas → solid, with an opening rate of over 45%. The formed filtration channel has strong connectivity, coupled with the natural hydrophilicity of silicon carbide material (contact angle is only 0.3°), the pure water flux is as high as 3200LMH, hydrophilic and oleophobic.


2. The isoelectric point of the silicon carbide membrane is near pH 3, and the membrane surface can maintain negative charges in a wide pH range, which improves the pollution resistance of the membrane surface.


3. Excellent chemical stability, can work in extreme environments (pH value 1~14); rich cleaning programs can be formulated according to the characteristics of pollution factors; fully resistant to oxidants, including ozone and hydroxyl radicals.


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