发明授权
- 专利标题: Method for the production of hydrocyanic acid
- 专利标题(中): 生产氢氰酸的方法
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申请号: US11574064申请日: 2005-09-02
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公开(公告)号: US07514059B2公开(公告)日: 2009-04-07
- 发明人: Andreas Deckers , Arnulf Lauterbach , Anton Negele , Thomas Schneider
- 申请人: Andreas Deckers , Arnulf Lauterbach , Anton Negele , Thomas Schneider
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DE Ludwigshafen
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权: DE102004042986 20040906
- 国际申请: PCT/EP2005/009476 WO 20050902
- 国际公布: WO2006/027176 WO 20060316
- 主分类号: C01C3/02
- IPC分类号: C01C3/02
摘要:
Process for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide, in which a formamide-containing recycle stream is obtained from the product mixture after the dehydration and is recirculated to the dehydration, wherein the formamide-containing recycle stream contains from 5 to 50% by weight of water.
公开/授权文献
- US20070231239A1 Method for the Production of Hydrocyanic Acid 公开/授权日:2007-10-04
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