C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
134/39, 4/17.5
C02F 1/50 (2006.01)
Patent
CA 1050878
Abstract Wastewaters heavily laden with organic compounds and con- taining viruses and other microbioligical flora are sterilized and maintained sterile for prolonged periods of time by the addi- tion of a base, such as lime, and a quarternary compounds, pre- ferably cetyl pyridinium chloride, in amounts to maintain the pH of the wastewaters at about 9-11, or higher, and with suffi- cient quaternary compound for suspended solids present. This prevents the formation of methane gases, which are tentative hazards in that they are inflammable, asphyxiant and narcotic. Similarly, toilets are rendered sterile by the addition of the base and quaternary compound so that, upon flushing, aerosols generated will not contain active infectious agents. All bacteria and fungi are inactivated under the basic condition by the addition of quaternary compounds. Viruses are also in- activated under these basic condition but only with quaternary compounds which contain the pyridinium moiety. The disclosure includes products for and method of sterilizing wastewaters. A number of examples are given.
246591
Melnick Joseph L.
Wallis Craig
LandOfFree
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