Method of treating nitric effluents

Details Method of treating nitric effluents Method of treating nitric effluents

1977-10-26

1979-10-02

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

210 21, 423396, B01D 1104

Patent

active

041698800

ABSTRACT:
Processes for treating nitric effluents from plants so that a non-polluting stream is obtained and nitric values are recovered, which processes comprise acidifying nitric effluent, liquid-liquid extraction of the acidified effluent with an extraction agent comprising a neutral phosphoric ester and at least one long-chain alkylamine, and re-extraction of the loaded extraction agent with ammonia, thereby regenerating the extraction agent and providing ammonium nitrate, while at the same time providing a substantially nitric-free effluent.

REFERENCES:
patent: 3966594 (1976-06-01), Ohkawa et al.
patent: 3983222 (1976-09-01), Lehto

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