Method and related product for purification of waste water

Details Method and related product for purification of waste water Method and related product for purification of waste water

1994-02-28

1995-05-16

McCarthy, Neil

Liquid purification or separation

Processes

Treatment by living organism

210727, 210730, 210906, 210908, 210912, 252180, C02F 162, C02F 154

Patent

active

054157781

ABSTRACT:
A method and related product for purification of waste water, especially of water polluted with phosphorus, nitrogen, heavy metals, and chlorinated solvents. The purification process consists of:
a) adding two liquid mixtures in sequence to the waste water;
b) letting the pollutants react with the two mixtures;
c) subsequently removing the sludge that forms.
One of the two liquid mixtures in question is a liquid mixture of two acids that may be extracted from lignite, leonardite and fossils of vegetal origin like peat.

REFERENCES:
patent: 3872002 (1975-03-01), Musgrove
patent: 4746442 (1988-05-01), Calemma et al.
patent: 4861481 (1989-08-01), Allen, III
patent: 4913586 (1990-04-01), Gabbita
patent: 5213692 (1993-05-01), Hjersted
patent: 5302180 (1994-04-01), Hjersted

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