发明名称 |
PROCESS FOR MAKING NITRILES |
摘要 |
<p>Adiponitrile is made by reacting 3-pentenenitrile with hydrogen cyanide. The 3-pentenenitrile is made by reacting 1,3-butadiene with hydrogen cyanide and by isomerizing 2-methyl-3-butenenitrile. The reaction of 1,3-butadiene with hydrogen cyanide to produce 3-pentenenitrile also produces small amounts of dinitrile compounds, including adiponitrile (ADN) and methylglutaronitrile (MGN). Methylglutaronitrile is removed to provide an adiponitrile-enriched stream, which is used in a catalyst purification step.</p> |
申请公布号 |
WO2012005915(A1) |
申请公布日期 |
2012.01.12 |
申请号 |
WO2011US40664 |
申请日期 |
2011.06.16 |
申请人 |
INVISTA TECHNOLOGIES S.A R.L.;MOERBE, LARRY E.;CHAO, TSENG H . |
发明人 |
MOERBE, LARRY E.;CHAO, TSENG H . |
分类号 |
C07C253/10;C07C255/04 |
主分类号 |
C07C253/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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