Treatment of aqueous media containing organic material

B - Operations – Transporting – 01 – D

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Details

B01D 69/04 (2006.01) B01D 61/24 (2006.01) B01D 63/02 (2006.01) B01D 63/06 (2006.01) C02F 1/44 (2006.01) C02F 3/06 (2006.01) C02F 3/10 (2006.01)

Patent

CA 2119383

2119383 9306045 PCTABS00021 A method of reducing the concentration of at least one organic compound present in an aqueous feedstock, wherein said feedstock is supplied to one side of a substantially water-insoluble selectively permeable polymeric sheet or tubular membrane whose permeability to the or each said organic compound exceeds its permeability to chloride ion, whilst simultaneously maintaining in contact with the other side of said membrane an aqueous reaction medium containing biologically active reaction means capable of reacting with said at least one compound after it permeates through the wall of the tubular membrane. Apparatus, preferably enclosed, for carrying into effect the method is also disclosed and permits treatment of waste waters containing volatile organic compounds. Modular bioreactor apparatus in the form of a cartridge containing a bundle of polymeric membrane tubes is also disclosed.

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