Process for removing toxic sulfur-containing compounds, ammonia,

Details Process for removing toxic sulfur-containing compounds, ammonia, Process for removing toxic sulfur-containing compounds, ammonia,

1993-09-30

1994-12-13

McCarthy, Neil

Liquid purification or separation

Processes

Ion exchange or selective sorption

210669, 210683, 210721, 210718, 210729, 210734, 210774, 210903, 210916, C02F 156, C02F 158, C02F 128

Patent

active

053727240

ABSTRACT:
A process for removing toxic sulfur-containing compounds, ammonia, oil and grease from an aqueous solution wherein the steps include sequentially adding to the solution sufficiently effective amounts of ferrous sulfate, ferric sulfate, and an insoluble hydrophilic amine polymer; heating the solution; removing the oil and grease as volatile organic compounds; and removing the contaminants from the solution as a precipitate complex. The resulting purified effluent may then be directly discharged into an industrial sewer.

REFERENCES:
patent: 3147218 (1964-09-01), Booth et al.
patent: 3637491 (1972-01-01), Hedrick et al.
patent: 3929586 (1975-12-01), Slikkers, Jr.
patent: 4108771 (1978-08-01), Weiss
patent: 4446031 (1984-05-01), List
patent: 4961859 (1990-10-01), Uehara et al.
patent: 4981599 (1991-01-01), Stewart, Jr.

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