发明授权
US08597934B2 Process for controlling sulfur in a fermentation syngas feed stream
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用于控制发酵合成气进料流中的硫的方法
- 专利标题： Process for controlling sulfur in a fermentation syngas feed stream
- 专利标题（中）： 用于控制发酵合成气进料流中的硫的方法
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申请号： US12914632申请日： 2010-10-28
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公开(公告)号： US08597934B2公开(公告)日： 2013-12-03
- 发明人: Richard E. Tobey
- 申请人： Richard E. Tobey
- 申请人地址： US IL Warrenville
- 专利权人： Coskata, Inc.
- 当前专利权人： Coskata, Inc.
- 当前专利权人地址： US IL Warrenville
- 主分类号： A61L9/01
- IPC分类号： A61L9/01 ; C12P7/00 ; C12P7/52 ; C12P7/54 ; C12P7/16 ; C12P7/06 ; C12P7/14 ; C12P1/04
摘要：
Ethanol and other liquid products are produced from biomass using gasification of the biomass to produce a syngas containing CO2, CO, H2 and sulfur or sulfur compounds that passes the syngas to a fermentation step for the conversion of the CO and CO2 and H2 to ethanol. Sulfur and sulfur compounds in the syngas are used to satisfy sulfur demanded by bacteria in the fermentation step. A sulfur control additive is added to the gasification to control syngas sulfur and sulfur compounds at a desired concentration to meet bacteria sulfur demand.
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