发明授权
US4399001A Separating off organic iodine compounds from acetaldehyde-free
carbonylation products of methanol, methyl acetate and dimethyl ether
失效
将有机碘化合物从甲醇,乙酸甲酯和二甲醚的无乙醛羰基化产物中分离出来
- 专利标题: Separating off organic iodine compounds from acetaldehyde-free carbonylation products of methanol, methyl acetate and dimethyl ether
- 专利标题(中): 将有机碘化合物从甲醇,乙酸甲酯和二甲醚的无乙醛羰基化产物中分离出来
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申请号: US315726申请日: 1981-10-28
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公开(公告)号: US4399001A公开(公告)日: 1983-08-16
- 发明人: Horst Hartmann , Waldhelm Hochstein , Gerd Kaibel , Franz-Josef Mueller
- 申请人: Horst Hartmann , Waldhelm Hochstein , Gerd Kaibel , Franz-Josef Mueller
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX3045081 19801129
- 主分类号: C07C27/00
- IPC分类号: C07C27/00 ; C07C27/30 ; C07C51/46 ; C07C51/573 ; C07C67/00 ; B01D3/36
摘要:
A process for separating off organic iodine compounds from acetaldehyde-free carbonylation products of methanol, methyl acetate and dimethyl ether by removing the iodine compounds by azeotropic distillation with a hydrocarbon having a boiling point, under atmospheric pressure, of 25-55.degree. C.
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