Method of effluent sludge treatment
CA 1058777 A · Owner: Nauchno-Issledovatelsky Institut Kommunalnogo Vodosnabzhenia I Ochistkiv Ody Akademii Kommunalnogo Khozyaistva Imeni K.D. Pamfilova · Inventors: Zhukov, Alexandr I.; Turovsky, Izrail S.; Zamoschin, Leonid V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A method of effluent sludge treatment, which comprises coagulating sludge with mineral coagulants where after, the sludge is subjected to mechanical dehydration. The dehydrated sludge is dried to a moisture content of from 10 to 50 percent with the aid of gaseous heat carrier having an initial temperature of from 600 to 800°C under backflow and air-gushing conditions, dried sludge being introduced into the raw sludge at the coagulation stage at a rate providing for a concentration of the resultant sludge mixture of from 50 to 120 g/lit.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 17, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.