Removal of nitrate and/or organic pollutants from effluents

Details Removal of nitrate and/or organic pollutants from effluents Removal of nitrate and/or organic pollutants from effluents

1990-04-20

1991-05-14

Heller, Gregory A.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

210638, C01B 2148, B01D 1504

Patent

active

050154567

ABSTRACT:
A continuous process for the removal of at least one of nitrate and organic contaminants from an aqueous effluent, which process comprises subjecting said effluent to extractive liquid ion-exchange with a long-chain alkylamine dissolved in an organic solvent and present in salt form, and reextracting the loaded organic phase with a base, the treated effluent being recycled for reuse.

REFERENCES:
patent: 3966594 (1976-06-01), Ohkawa et al.
patent: 3983222 (1976-09-01), Lehto
patent: 4169880 (1979-10-01), Cuer et al.
patent: 4661257 (1987-04-01), Kreevoy et al.
patent: 4872989 (1989-10-01), Pirotta

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