High yield sodium hydrosulfite generation

Details High yield sodium hydrosulfite generation High yield sodium hydrosulfite generation

1992-09-11

1994-08-09

Straub, Gary P.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

B01F 500, C01B 1766

Patent

active

053364791

ABSTRACT:
An improved high yield process and apparatus for producing sodium hydrosulfite by simultaneously contacting a first reaction mixture of sodium borohydride, sodium hydroxide, and water with a second reaction mixture of an acidic sulfur-containing compound or precursors thereof used in producing sodium hydrosulfite from sodium borohydride.

REFERENCES:
patent: 3985674 (1976-10-01), Ellis et al.
patent: 4534954 (1985-08-01), Little et al.
patent: 4680136 (1987-07-01), Bernhard
patent: 4788041 (1988-11-01), Sanglet
patent: 4859447 (1989-08-01), Sanglet
patent: 5094833 (1992-03-01), Ko et al.

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