Wastewater treatment

Details Wastewater treatment Wastewater treatment

C - Chemistry, Metallurgy

02

F

362/12

C02F 1/72 (2006.01) C02F 3/02 (2006.01) C02F 3/08 (2006.01) C02F 3/12 (2006.01)

Patent

CA 1099831

-1- ABSTRACT OF THE DISCLOSURE A process for treating wastewater comprising the following steps: a. contacting wastewater in a stream in a biological contactor apparatus which has a multiplicity of surfaces therein alternately immersed in the liquid and the gas above the liquid, for a period of time of at least 1/2 hour; b. adding to the stream an adsorbent capable of adsorbing impurities from the liquid; and c. removing accumulated suspended solids from the contactor apparatus at a rate equivalent to the rate at which solids accumulate within the contactor.

311466

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