Process for regenerating sodium sulphide from the sodium sulphat

Details Process for regenerating sodium sulphide from the sodium sulphat Process for regenerating sodium sulphide from the sodium sulphat

1997-12-04

1999-03-09

Straub, Gary P.

Chemistry: electrical current producing apparatus, product, and

Regenerating, salvage or repair feature other than only...

423 98, 423155, 423179, 423514, 423551, 423555, 4235662, C01G 2100, H01M 1054

Patent

active

058798307

ABSTRACT:
A process is disclosed for treating lead paste from exhausted batteries. Calcium sulfite and calcium thiosulfite are formed by the reaction:

REFERENCES:
patent: 1492488 (1924-04-01), Sutherst
patent: 4229271 (1980-10-01), Prengaman et al.
patent: 4769116 (1988-09-01), Olper et al.
patent: 5173277 (1992-12-01), Montgomery et al.
patent: 5211818 (1993-05-01), Moure, Jr. et al.
patent: 5248342 (1993-09-01), Montgomery et al.
patent: 5630931 (1997-05-01), Manequini

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