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公开(公告)号:US06921833B1
公开(公告)日:2005-07-26
申请号:US10031166
申请日:2000-07-26
申请人: Heinz Auer , Jürgen Dahlhaus , Karl Fischer , Hans Hammer , Jochen Kellenbenz , Michael Schulz , Joachim Thiel , Maximilian Vicari
发明人: Heinz Auer , Jürgen Dahlhaus , Karl Fischer , Hans Hammer , Jochen Kellenbenz , Michael Schulz , Joachim Thiel , Maximilian Vicari
IPC分类号: B01D3/00 , B01J3/00 , B01J3/02 , B01J19/00 , C07B61/00 , C07C29/80 , C07C31/04 , C07C67/36 , C07C69/06
摘要: A description is given of a process for preparing methyl formate by reacting excess methanol with carbon monoxide under superatmospheric pressure and at elevated temperature in the presence of alkali metal methoxide or alkaline earth metal methoxide as catalyst in a pressure-rated reactor, in which the use of at least two reactor elements, preferably operated in countercurrent, at about 100° C. and a pressure of about 100 bar in combination with a solids-free desalting of the reaction product makes possible very economical, largely trouble-free production of methyl formate in any desired quality and with a very good production capacity.Furthermore, the process for solids-free desalting and apparatuses for carrying out this process are described.
摘要翻译: 给出了在过压甲醇钠或碱土金属甲醇盐作为催化剂存在下,在超压大气压和高温下使过量甲醇与一氧化碳反应制备甲酸甲酯的方法,其中使用 的至少两个反应器元件,优选逆流操作,约100℃,约100巴的压力与无固体脱盐反应产物的组合使得非常经济,大大无故障地生产甲酸甲酯 以任何期望的质量和非常好的生产能力。 此外,描述了无固体脱盐的方法和用于实施该方法的装置。
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公开(公告)号:US06441234B1
公开(公告)日:2002-08-27
申请号:US09889405
申请日:2001-07-17
申请人: Jürgen Dahlhaus , Jörn Karl , Michael Schulz , Anne Wenzel , Wolfgang Harder , Arthur Höhn
发明人: Jürgen Dahlhaus , Jörn Karl , Michael Schulz , Anne Wenzel , Wolfgang Harder , Arthur Höhn
IPC分类号: C07C23303
CPC分类号: B01J31/4015 , B01J23/04 , B01J31/0211 , B01J31/0252 , B01J2219/00648 , B01J2219/00659 , C07C231/10 , Y02P20/584 , C07C233/03
摘要: In the process for preparing formamide by reaction of ammonia and carbon monoxide in the presence of at least one catalyst, sodium diformylamide is used as catalyst. If sodium methoxide is used as further active component, sodium diformylamide can be formed from this. In this process, sodium diformylamide is a particularly active and stable catalyst which can be recycled.
摘要翻译: 在通过氨和一氧化碳在至少一种催化剂存在下反应制备甲酰胺的方法中,使用二甲酰胺钠作为催化剂。 如果将甲醇钠用作其它活性成分,则可以由此形成二甲酰胺钠。 在这个过程中,二甲酰胺钠是一种特别活跃和稳定的催化剂,可以循环使用。
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公开(公告)号:US06271423B1
公开(公告)日:2001-08-07
申请号:US09445410
申请日:1999-12-08
申请人: Jürgen Dahlhaus
发明人: Jürgen Dahlhaus
IPC分类号: C07C4101
摘要: A process for preparing butenyl ethers of the formula I CH3—CH═CH—CH2—OR I by reacting butadiene or butadiene-containing hydrocarbon streams with alcohols of the formula II ROH II at elevated temperature and superatmospheric pressure in the presence of transition metal complexes containing ligands of compounds of elements of group V of the Periodic Table of the Elements to form an isomer mixture of butenyl ethers of the formula I and butenyl ethers of the formula III CH2═CH—CH(OR)—CH3 III and, optionally, isomerizing the butenyl ethers of the formula III to butenyl ethers of the formula I, where R is as defined in the specification and the catalyst used is a complex of a transition metal of group VIII of the Periodic Table of the Elements with ligands of the formula IV where M is an iron, cobalt, nickel, or ruthenium atom, X is a bridge and where n, y and R1-R6 are as defined in the specification.
摘要翻译: 在含有式I化合物的过渡金属配合物的存在下,使含丁二烯或含丁二烯的烃流与式II的醇在升高的温度和超大气压下进行制备式I的丁烯基醚的方法,该过渡金属络合物含有周期表第V族元素的配体 元素以形成式I的丁烯基醚和式III的丁烯基醚的异构体混合物,并且任选地将式III的丁烯基醚异构化为式I的丁烯基醚,其中R如说明书中所定义, 使用的催化剂是元素周期表第Ⅷ族过渡金属与式Ⅳ配体的络合物,其中M是铁,钴,镍或钌原子,X是桥,其中n,y和R1- R6如说明书中所定义。
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