C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/44
C02F 1/00 (2006.01) C02F 1/52 (2006.01) C02F 1/66 (2006.01) C02F 1/76 (2006.01) C02F 9/00 (2006.01)
Patent
CA 1079423
PROCESS FOR TREATMENT OF WASTE WATERS ABSTRACT OF THE DISCLOSURE A process for treating waste waters, e.g. municipal sewage, is described wherein the sewage is treated with lime to a high pH, allowed to settle in a clarifier, and the clarifier effluent at high pH is treated with chlorine. A substantially complete kill of micro-organisms, particularly fecal coliforms and streptococci, is thereby achieved. The effluent, after adjustment to suitable pH, may be returned to natural water streams.
265786
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