- 专利标题： CONTROL OF CARBONYL SULFIDE WITH SODIUM BOROHYDRIDE IN CAUSTIC TOWERS FOR PETROLEUM/PETROCHEMICAL PROCESSES
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申请号： EP16181860.4申请日： 2016-07-29
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公开(公告)号： EP3124095B1公开(公告)日： 2018-09-26
- 发明人: MO, Hua , METZLER, Roger D.
- 申请人： Baker Hughes, a GE company, LLC
- 申请人地址： 17021 Aldine Westfield Houston, TX 77073 US
- 专利权人： Baker Hughes, a GE company, LLC
- 当前专利权人： Baker Hughes, a GE company, LLC
- 当前专利权人地址： 17021 Aldine Westfield Houston, TX 77073 US
- 代理机构： BRP Renaud & Partner mbB Rechtsanwälte Patentanwälte Steuerberater
- 优先权： US201514813333 20150730
- 主分类号： B01D53/48
- IPC分类号： B01D53/48 ; B01D53/78
摘要：
Sodium borohydride (NaBH 4 ) may be used to removing carbonyl sulfide (COS) from a process stream containing it. The method involves contacting the process stream with an amount of effective of NaBH 4 to react with the COS to form reaction products that may be removed by a process of washing away the reaction product by an aqueous basic compound and/or the reaction product having a higher boiling point than carbonyl sulfide which permits trapping the reaction product, such as in a caustic tower.
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