Process for the regeneration of sodium hydroxide from sodium sulfide
AssigneeExxon Research & Engineering Co.
InventorsGlen Brons, Ronald D. Myers
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Abstract
The present invention is directed toward a process for regenerating sodium hydroxide (NaOH) from aqueous solutions of sodium sulfide (Na.sub.2 S) 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.
Claims5
A process for regenerating sodium hydroxide from aqueous solutions of sodium sulfide comprising heating aqueous sodium sulfide in the presence of a metal selected from the group consisting of iron, cobalt and mixtures thereof, for a time and at a temperature sufficient to form a metal sulfide, sodium hydroxide and molecular hydrogen.
Dependencies are inferred from the claim text.