Bromide separation and concentration using semipermeable membran

Details Bromide separation and concentration using semipermeable membran Bromide separation and concentration using semipermeable membran

1992-06-29

1995-10-17

Dawson, Robert A.

Liquid purification or separation

Processes

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

210652, 210641, 423504, B01D 6100

Patent

active

054587816

ABSTRACT:
Aqueous solutions containing bromide and one or more polyvalent anions are separated by nanofiltration into two streams, a brine enriched in the bromide and a brine enriched in the polyvalent anion. The bromide-enriched brine can be concentrated using reverse osmosis, and the concentrated brine can be used, e.g., as feed to a process for recovering elemental bromine or for the production of metal bromide salt.

REFERENCES:
patent: 3479 (1969-01-01), Stieren
patent: 3505216 (1970-04-01), Kryzer et al.
patent: 4131626 (1978-12-01), Sharma et al.
patent: 4141825 (1979-02-01), Conger
patent: 4719096 (1988-01-01), Lesher et al.
patent: 4723603 (1988-02-01), Plummer
patent: 4725425 (1988-02-01), Lesher et al.
patent: 4806244 (1989-02-01), Guilhem
patent: 4872984 (1989-10-01), Tomaschke
patent: 4872991 (1989-10-01), Bartels et al.
patent: 4944882 (1990-07-01), Ray et al.
patent: 4978518 (1990-12-01), Lesher et al.
patent: 4981594 (1991-01-01), Jones
patent: 5158683 (1992-10-01), Lin
Desalination, "Membrane Filtration for the Reuse of City Waster Water", 47, 257-265, (1982).
Tappi Journal, "Complete Effluent Recycling in the Bleach Plant with Ultrafiltration and Reverse Osmosis", Dorica, et al., 122-125, (1986).
Enviromental Progress, "Nanofiltration Extends the Range of Membrane Filtration", Peter Eriksson, vol. 7, No. 1, (1988).
Desalination, "Nanofiltration Membranes Broaden the Use of Membrane Separation Technology", Cadotte, et al., 70 77-88, (1988).
Prog. Clin. Biol. Res., "Separation of Selected Organic and Inorganic Solutes by Low Pressure Reverse Osmosis", Bhattacharyya, et al., 292, 153-167, (1989).
Chemical Abstracts, vol. 67, Abstract No. 4737OM 1967.
Chemical Abstracts, vol. 107, Abstract. No. 84930S, 1987.
Chemical Abstracts, vol. 114, Abstract. No. 13045O E, 1991.

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