Chemistry of inorganic compounds – Sulfur or compound thereof – Binary compound
Patent
1976-08-06
1978-10-31
Vertiz, O. R.
Chemistry of inorganic compounds
Sulfur or compound thereof
Binary compound
60641, 55 73, 122459, 159 1G, 423210, 423220, 423223, 423230, 423234, 423232, 423563, F22G 100, F03G 702, C01B 1716, C01B 3120
Patent
active
041235061
ABSTRACT:
Certain impure streams, especially those from geothermal sources, are polluted with hydrogen sulfide, ammonia, carbon dioxide, other gases, and finely divided particulate solid matter in a form resembling dust or smoke. These contaminants reduce the efficiency of the steam as a heat transfer fluid, are detrimental to equipment utilizing steam as an energy source, and result in environmental pollution or expensive requirements for limiting the same. Herein so polluted steam is selectively processed in the gaseous state upstream of said equipment to remove hydrogen sulfide therefrom, with or without removing other pollutants, to recover valuable materials therefrom, and to improve the utility of the steam as an energy source. This is done by contacting a flow of the steam with aqueous liquid reactant media consisting essentially of one or more reactive compounds of certain metals which form solid metal sulfide reaction products and which preferably are electropositive with respect to hydrogen. The valuable materials subsequently may be recovered from said media as useful byproducts. The reactant compounds may be recycled and may be regenerated from the metal sulfide reaction products.
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40 CFR 50-50.11 with appendix A-F.
Proceeding second United Nations symposium on the development and use of geothermal resources, San Francisco, Calif., 20-29, May 1975, vol. 2, pp. 1313-1315.
Deuterium Corporation
Straub Gary P.
Vertiz O. R.
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