Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1990-10-17
1993-01-19
Wyse, Thomas
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210712, 210721, 210748, 210750, 210760, 210765, C02F 124, C02F 132, C02F 178
Patent
active
051804999
ABSTRACT:
The present invention relates to a two stage, multi-phase process for the rapid and economical purification of waste water which may contain solid wastes, and which does contain chemical and bacterial wastes wherein the waste water is first intimately intermixed with a gaseous oxidant comprising ozone and oxygen to remove solids, then resaturated with oxidant for the breakdown and destruction for chemical and bacterial wastes, and thereafter a predetermined portion of the treated water is recirculated through the system for retreatment while the remainder is first treated with ultraviolet light and then degassified prior to discharge from the system in its purified state.
REFERENCES:
patent: 3660277 (1972-05-01), McWhirter et al.
patent: 3772188 (1973-11-01), Edwards
patent: 3998714 (1976-12-01), Armstrong
patent: 4412924 (1983-11-01), Feather
patent: 4563286 (1986-01-01), Johnson et al.
Hinson Charles
LaCrosse Gaylen
Envirozone Technologies, Inc.
Haase Dennis B.
Wyse Thomas
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