Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1975-03-24
1976-03-02
Wyse, Thomas G.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 64, 424159, 424263, 424329, C02B 306
Patent
active
039416968
ABSTRACT:
Wastewaters heavily laden with organic compounds and containing viruses and other microbiological flora are sterilized and maintained sterile for prolonged periods of time by the addition of a base, such as lime, and a quaternary compound, preferably cetyl pyridinium chloride, in amounts to maintain the pH of the wastewaters at about 9-11, or higher, and with sufficient 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 these basic conditions by the addition of quaternary compounds. Viruses are also inactivated under these basic conditions but only with quaternary compounds which contain the pyridinium moiety. The disclosure includes products for and methods of sterilizing wastewaters. A number of examples are given.
REFERENCES:
patent: 2793973 (1957-05-01), Cheronis
patent: 3166471 (1965-01-01), Gump et al.
Melnick Joseph L.
Wallis Craig
Baylor College of Medicine
Dobie, Jr. Dudley R.
Stout William A.
Weiler James F.
Wyse Thomas G.
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