Method of treating waste liquid

Details Method of treating waste liquid Method of treating waste liquid

1992-03-20

1993-08-24

Hart, Charles

Liquid purification or separation

Processes

Chemical treatment

210206, 422292, 604403, 604416, C02F 168

Patent

active

052385825

ABSTRACT:
A waste liquid treating device is provided above a waste container or in the upper portion thereof with a container, suspender or the like for holding a waste liquid treating chemical agent. The chemical agent is preferably a coagulant for the waste liquid to be treated or an agent for killing bacteria, viruses or the like present in the liquid. A waste liquid treating method is practiced using the device. The waste liquid collected in the waste container is treated with the chemical agent held above or in the upper portion of the waste container and thereafter discarded along with the waste container.

REFERENCES:
patent: 3061842 (1962-11-01), Woodruff
patent: 3736101 (1973-05-01), Pirtle
patent: 3977971 (1976-08-01), Quinn et al.
patent: 4317525 (1982-03-01), Schuessler et al.
patent: 4358860 (1982-11-01), Church
patent: 4457842 (1984-07-01), Bereiter
patent: 4515586 (1986-05-01), Mendenhall et al.
patent: 4790981 (1988-12-01), Mayer et al.
patent: 4872563 (1989-10-01), Warder et al.

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