Brine recycling method and apparatus therefor

Details Brine recycling method and apparatus therefor Brine recycling method and apparatus therefor

1993-03-05

1994-10-04

Dawson, Robert A.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210639, 210651, 210681, B01D 6100

Patent

active

053523628

ABSTRACT:
A brine recycling method where the used brine containing metal ions is added with a reaction agent to provide a agent-added brine. The reaction agent is of a kind which, when it is reacted with the metal ions, produces an insoluble substance, excluding an oxidant which, when reacted with oxygen, produces metal oxide. The agent-added brine is subsequently filtrated with the use of a microporous filtration membrane having an average pore size within the range of 0.005 to 1 .mu.m. A brine recycling apparatus is also disclosed which includes a filter module containing a microporous filtration membrane having an average pore size within the range of 0.005 to 1 .mu.m. The used brine is, after having been added with the reaction agent, supplied through a supply passage into the filter module. The filtrate is then removed from the filter module through a recovery passage.

REFERENCES:
patent: 3663403 (1972-05-01), Chistenson et al.
patent: 4437994 (1984-03-01), Baker
patent: 4812240 (1989-03-01), Watts
patent: 4946595 (1990-08-01), Miller, Jr.
patent: 5091081 (1992-02-01), Hilgren
patent: 5112489 (1992-05-01), Hartmann
patent: 5167826 (1992-12-01), Eaton

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