Membrane Bioreactor (MBR) process is a combination of biological wastewater treatment and membrane filtration. Biodegradable pollution such as BOD is reduced by activated sludge. Following biological treatment, treated water is separated from activated sludge by Toray’s microfiltration membrane.
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Toray’s MEMBRAY® MBR Membranes are PVDF flat sheet membranes with a PET non-woven support layer. The nominal pore size is 0.08 microns with a narrow pore size distribution. Toray membrane elements with a 1.4m2 membrane area are joined to our membrane module. These modules are composed of 50 to 200 membrane elements.
MEMBRAY® modules consist of a membrane element, a stainless steel element frame, a permeated water manifold and an aeration block.
MEMBRAY® TMR140 Series have been certified by California Department of Public Health (CDPH) as an acceptable filtration technology for compliance with the State of California Water Recycling Criteria (Title 22) since October 2008.