Electrochemical process for decomposing hydrogen sulfide to produce hydrogen and sulfur
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United States of America Patent
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Jun 1, 1999
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N/A
app pub date -
Aug 19, 1997
filing date -
Aug 19, 1997
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Expired
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Abstract
A process is described for decomposing hydrogen sulfide to produce hydrogen and sulfur. The process comprises mixing hydrogen sulfide with a volatile basic solution and introducing this mixture into an electrolytic cell having an anode and a cathode. By operation of this cell, hydrogen is formed at the cathode and a solution containing polysulfide is formed at the anode. The polysulfide-containing solution is separated and distilled to recover sulfur and the remaining volatile basic solution is recycled to be mixed with further hydrogen sulfide.
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