Waste treatment

Details Waste treatment Waste treatment

1988-02-24

1989-10-10

Hruskoci, Peter

Liquid purification or separation

Processes

Ion exchange or selective sorption

210667, 210710, 210725, 210727, 210737, 210768, 501141, 501155, C02F 128

Patent

active

048729930

ABSTRACT:
Processes and techniques are described for treating waste water (domestic and industrial) to remove organic matter and heavy metals. Clay and flocculating agent are added to the waste water to cause separation of a sludge. The sludge is fired at high temperature in particle form to produce ceramic particles. Organic matter is oxidized; heavy metals are bound within the ceramic particles and cannot leach out. The ceramic particles are useful as aggregate (e.g., in concrete) and in landscaping.

REFERENCES:
patent: 3300406 (1967-01-01), Pollio
patent: 3859210 (1975-01-01), Hatch
patent: 4112033 (1978-09-01), Lingl
patent: 4145278 (1979-03-01), Davy
patent: 4279756 (1981-07-01), Weiss et al.
patent: 4405105 (1983-09-01), deLockerente et al.
patent: 4425238 (1984-01-01), Degen et al.
patent: 4638273 (1983-01-01), Puskas

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