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Electrochemical disposal of hydrogen sulfide. Final report, August 31, 1977-September 30, 1982

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The electrolysis of hydrogen sulfide to elemental hydrogen and sulfur was investigated as a means for hydrogen sulfide disposal. Both the electrolysis of liquid hydrogen sulfide and the electrolysis of aqueous hydrogen sulfide solutions were investigated. The first reported electrolysis of liquid hydrogen sulfide was accomplished. However, the over potential arising from ohmic losses in the hydrogen sulfide are extremely high. Unless better supporting electrolytes can be found, this method does not appear to be a practical means for hydrogen sulfide disposal. The electrochemical oxidation of aqueous hydrogen sulfide solutions was investigated and found to be a more promising approach. It was found that a sulfur film did not form on the anode in either a cell using a continuous flow of electrolyte or in a cell employing a fluidized bed anode. In both types of electrolysis the products were found to be elemental hydrogen and elemental sulfur. This is a desirable result because these products have significant economic value and, furthermore, sulfur is very easily stored. Further work should be directed towards finding much better electrolytes for use with liquid hydrogen sulfide and towards an experimental and economic study of the use of fluidized bed anodes for the electrolysis of aqueous hydrogen sulfide solutions. 10 references, 21 figures.

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Last Updated September 29, 2016, 16:39 (LMT)
Created September 29, 2016, 16:39 (LMT)
Citation Angus, J.C.; Landau, U.; Feke, D.L.; Gregory, T.D.; Kehr, P.M. ---- Roy Long, Electrochemical disposal of hydrogen sulfide. Final report, August 31, 1977-September 30, 1982, 2016-09-29, https://edx.netl.doe.gov/dataset/electrochemical-disposal-of-hydrogen-sulfide-final-report-august-31-1977-september-30-1982
Netl Product yes
Poc Email Roy.long@netl.doe.gov
Point Of Contact Roy Long
Program Or Project KMD
Publication Date 1982-9-20