Sulfide generation process and system for syngas fermentation
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United States of America Patent
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Dec 17, 2013
Grant Date -
Jul 11, 2013
app pub date -
Jan 6, 2012
filing date -
Jan 6, 2012
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Abstract
A process that generates sulfide in production of liquid products from syngas and a system for syngas fermentation including a sulfide generation process to convert feed gas to liquid product, the process including: partially oxidizing high-temperature gas, input gas, and molten sulfur to generate sulfide gas, the high-temperature gas containing oxygen, the input gas containing carbonaceous fuel and the sulfide gas containing hydrogen sulfide, CO, CO2, and H2; mixing the sulfide gas with the feed gas to generate mixed gas having a predetermined hydrogen sulfide concentration; providing at least a portion of the mixed gas to a production fermentor containing microorganisms; and converting the mixed gas to the liquid product by contact with the microorganisms.
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