Waste treatment process

Details Waste treatment process Waste treatment process

1981-08-13

1983-07-05

Cintins, Ivars C.

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210759, 210763, C02F 172

Patent

active

043917151

ABSTRACT:
Treatment of aqueous waste liquors containing diazonium salts with sulfite ions decomposes the diazonium salts without the formation of undesirable tar or foam, yielding a liquor amenable to further treatment with an oxidizing agent, e.g. hydrogen peroxide, to yield an effluent suitable for discharge to the environment.

REFERENCES:
patent: 4268397 (1981-05-01), Horie et al.
patent: 4280914 (1981-07-01), Knorre et al.
patent: 4340490 (1982-07-01), Junkermann et al.
Morrison and Boyd, Organic Chemistry, Diazonium Salts Replacement by H, section 23.15, 3rd Edition, May 1974.

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