Process for the regeneration of sodium hydroxide from sodium...

Details Process for the regeneration of sodium hydroxide from sodium... Process for the regeneration of sodium hydroxide from sodium...

C - Chemistry, Metallurgy

01

D

C01D 1/04 (2006.01) C01B 3/02 (2006.01) C01B 3/06 (2006.01) C01B 17/20 (2006.01) C01G 49/12 (2006.01) C01G 51/00 (2006.01)

Patent

CA 2174674

The present invention is directed toward a process for regenerating sodium hydroxide (NaOH) from aqueous solutions of sodium sulfide (Na2S) comprising heating aqueous sodium sulfide in the presence of a metal selected from the group consisting of iron and cobalt, for a time and at a temperature sufficient to form a metal sulfide, sodium hydroxide and molecular hydrogen.

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