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Title: Direct chlorination process for geothermal power plant off-gas - hydrogen sulfide abatement 
Author: Sims, A.V.
Date: 1983-06-01
Publisher: Sheinbaum (I) Co, Inc
Citation: Sims AV. 1983. Direct Chlorination Process for Geothermal Power Plant Off-Gas - Hydrogen Sulfide Abatement. Monrovia (CA): Sheinbaum (I.) Co., Inc.
Abstract: The Direct Chlorination Process removes hydrogen sulfide from geothermal off-gases by reacting hydrogen sulfide with chlorine in the gas phase. Hydrogen chloride and elemental sulfur are formed by this reaction. The Direct Chlorination Process has been successfully demonstrated by an on-site operation of a pilot plant at the 3 M We HPG-A geothermal power plant in the Puna District on the island of Hawaii. Over 99.5 percent hydrogen sulfide removal was achieved in a single reaction stage. Chlorine gas did not escape the pilot plant, even when 90 percent excess chlorine gas was used. Because of the higher cost of chemicals and the restricted markets in Hawaii, the economic viability of this process in Hawaii is questionable.
Description: Report Number: DOE/SF/11664-T2; OSTI ID: 5247473; Legacy ID: DE84007426; ON: DE84007426
Sponsorship: DOE Contract Number AC03-82SF11664
Pages/Duration: 58 pages
Keywords: NCG, process chemistry, abatement, hydrogen sulfide, Puna, Kilauea, East Rift Zone

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