Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1985-08-13
1986-12-30
Wyse, Tom
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210751, C02F 1114
Patent
active
046327657
ABSTRACT:
Procedure for the consolidation of sludge, whereby this sludge is mixed with a small quantity of at least one calcium compound with a calcium oxide and/or calcium sulphate base, as well as with alkaline metal silicate and organic hardening agents in quantities sufficient to give the sludge durable and spadeable properties, with the characteristic that to the sludge containing a quantity of calcium compound an alkaline metal silicate and at least one non-phytotoxic organic hardening agent consisting of organic compounds containing more than 12 carbon atoms is added.
REFERENCES:
patent: 3226318 (1965-12-01), Schick
patent: 3720609 (1973-03-01), Smith et al.
patent: 4077901 (1978-03-01), Arnold
patent: 4118354 (1978-10-01), Harada et al.
patent: 4160731 (1979-07-01), Doyle
patent: 4393166 (1983-07-01), Reischl et al.
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