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公开(公告)号：US20080236391A1
公开(公告)日：2008-10-02
申请号：US10593333
申请日：2005-03-17
IPC分类号： B01D47/00
摘要： Process for purifying and cooling a gas stream comprising a dialkyl ester A) of an aromatic dicarboxylic acid, which comprises treating the gas stream with an aliphatic dihydroxy compound B) at a temperature less than/equal to the melting point of the dialkyl ester A) in a 1st stage and treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dihydroxy compound B) in at least one 2nd stage.
摘要翻译： 纯化和冷却包含芳族二羧酸的二烷基酯A）的气流的方法，其包括在低于/等于二烷基酯A的熔点的温度下用脂族二羟基化合物B）处理气流） 在第一阶段中并且在二羟基化合物B）的熔点以上的脂族二羟基化合物B）在至少一个第二阶段中处理气流。
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2.发明申请Method for Separating Ammonia and Water From Mixtures, Arising During The Production of Polyamides 审中-公开在混合物中分离氨和水的方法在聚酰胺生产过程中产生公开(公告)号：US20070244272A1
公开(公告)日：2007-10-18
申请号：US11628220
申请日：2005-05-31
申请人： Jens Assmann , Jurgen Demeter , Jurgen Deininger , Oliver Sotje , Gad Kory , Jan-Martin Loning
发明人： Jens Assmann , Jurgen Demeter , Jurgen Deininger , Oliver Sotje , Gad Kory , Jan-Martin Loning
CPC分类号： C08G69/04 , B01D3/14 , B01D5/0036 , C01C1/10 , C08G69/16 , C08G69/28 , C08J11/06 , Y02W30/701
摘要： In a process for distillatively removing ammonia and water from mixtures obtained in the preparation of polyamides which comprise a lactam and/or diamines, and, if appropriate, an aminonitrile and/or dinitrile, and also a cyclopentanone impurity in two stages: 1) the mixture is distilled at from 11 to 35 bar to give, as the top product T1, water, ammonia and cyclopentanone, and, as the bottoms B1, water, the lactam and/or diamines, and, if appropriate, the aminonitrile and/or dinitrile, and 2) T1 is distilled at from 11 to 35 bar to give, as the top product T2, ammonia and cyclopentanone, and, as the bottoms B2, water.
摘要翻译： 在从制备包含内酰胺和/或二胺的聚酰胺中获得的混合物和（如果合适的话）中分别从氨基腈和/或二腈以及环戊酮杂质中获得的混合物中蒸馏除氨和水的方法：1） 混合物以11至35巴蒸馏，得到作为顶部产物T1的水，氨和环戊酮，以及作为底部B1的水，内酰胺和/或二胺，以及如果合适的话，氨基腈和/或 二腈和2）T1在11至35巴下蒸馏，得到作为顶部产物T2的氨和环戊酮，以及作为底部B2的水。
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公开(公告)号：US20060276619A1
公开(公告)日：2006-12-07
申请号：US10552285
申请日：2004-04-07
IPC分类号： C08F6/00
CPC分类号： C07C67/48 , B01D53/1487 , B01D53/1493 , C07C67/52 , C08G63/181 , C08G63/78 , C07C69/82
摘要： Process for purifying and cooling a gas stream comprising a dialkyl ester A) of an aromatic dicarboxylic acid, which comprises treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dialkyl ester A) in a 1st stage and treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dihydroxy compound B) in at least one 2nd stage.
摘要翻译： 用于净化和冷却包含芳族二羧酸的二烷基酯A）的气流的方法，其包括在第一阶段中在二烷基酯A的熔点以上处理气流与脂族二羟基化合物B），并处理 具有在二羟基化合物B）的熔点以上的脂族二羟基化合物B）的气流在至少一个第二阶段中。
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公开(公告)号：US20080255393A1
公开(公告)日：2008-10-16
申请号：US11575914
申请日：2005-09-22
申请人： Joaquim Henrique Teles , Beatrice Rossler , Thomas Genger , Andreas Glass , Dieter Baumann , Jan-Martin Loning
发明人： Joaquim Henrique Teles , Beatrice Rossler , Thomas Genger , Andreas Glass , Dieter Baumann , Jan-Martin Loning
CPC分类号： B01D53/73 , B01D53/14 , B01D2257/402 , C01B21/22 , C07C45/28 , C07C49/607 , Y02C20/10 , Y02P20/153 , Y02P20/582 , C07C49/395 , C07C49/413
摘要： The present invention relates to a process for purifying a gas mixture comprising dinitrogen monoxide and to the use of a gas mixture purified in this way as an oxidant for olefins. In a further embodiment, the present invention also relates to a process for preparing ketones comprising the oxidation of an olefin with a gas mixture which has been purified in accordance with the invention and comprises dinitrogen monoxide.
摘要翻译： 本发明涉及一种用于纯化包含一氧化二氮的气体混合物的方法，以及使用以这种方式纯化的气体混合物作为烯烃的氧化剂。 在另一个实施方案中，本发明还涉及一种制备酮的方法，其包括用根据本发明纯化并包含一氧化二氮的气体混合物氧化烯烃。
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