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公开(公告)号:US4994603A
公开(公告)日:1991-02-19
申请号:US299544
申请日:1981-09-04
CPC分类号: B01J31/2213 , B01J31/0212 , C07C67/36 , B01J2531/11 , B01J2531/20
摘要: A process for the preparation of methyl formate by reacting methanol and carbon monoxide in the presence of an alkali metal alcoholate or alkaline earth metal alcoholate at from 30.degree. to 150.degree. C. and from 50 to 300 bar, wherein a nonionic complexing agent is used to bind the alkali metal cations or alkaline earth metal cations.
摘要翻译: 一种在碱金属醇盐或碱土金属醇盐存在下,在30至150℃和50至300巴条件下使甲醇和一氧化碳反应制备甲酸甲酯的方法,其中使用非离子络合剂 以结合碱金属阳离子或碱土金属阳离子。
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公开(公告)号:US4517391A
公开(公告)日:1985-05-14
申请号:US496573
申请日:1983-05-20
申请人: Schuster, Ludwig , Franz-Josef Mueller , Axel Anderlohr , Peter Blei , Gerhart Eigenberger , Bernd Hoppner , Gerd Kaibel , Wolfgang Steiner
发明人: Schuster, Ludwig , Franz-Josef Mueller , Axel Anderlohr , Peter Blei , Gerhart Eigenberger , Bernd Hoppner , Gerd Kaibel , Wolfgang Steiner
IPC分类号: C07C29/149 , C07C29/136 , C07C31/08
CPC分类号: C07C29/149
摘要: Ethanol is prepared by hydrogenating acetic acid under superatmospheric pressure and at elevated temperatures by a process wherein a predominantly cobalt-containing catalyst is used and acetic acid and hydrogen are passed through the reactor, at from 210.degree. to 330.degree. C. and under from 10 to 350 bar, under conditions such that a liquid phase in not formed during this procedure.
摘要翻译: 乙醇通过在超大气压下和升高的温度下通过使用主要含钴催化剂并且使乙酸和氢气通过反应器的方法在210至330℃和10以下的方法制备乙酸 至350巴,条件是在此过程中未形成液相。
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公开(公告)号:US20100184976A1
公开(公告)日:2010-07-22
申请号:US12664426
申请日:2008-05-21
申请人: Christian Kuhrs , Andreas Kern , Tilo John , Wolfgang Steiner , Heiko Maas
发明人: Christian Kuhrs , Andreas Kern , Tilo John , Wolfgang Steiner , Heiko Maas
IPC分类号: C07D251/06 , B01J29/072
CPC分类号: C07D251/60
摘要: A process for the preparation of melamine by decomposition of urea with the use of a catalyst, the catalyst comprising a) 10-90% by weight of zeolite, b) 10-90% by weight of a matrix comprising silica, alumina, silicon aluminum oxides and/or clay minerals, and c) 0-10% by weight of additives and the total content of nickel and vanadium in the catalyst being less than 500 ppm.
摘要翻译: 一种通过使用催化剂分解尿素来制备三聚氰胺的方法,所述催化剂包含a)10-90重量%的沸石,b)10-90重量%的包含二氧化硅,氧化铝,硅铝的基体 氧化物和/或粘土矿物,和c)0-10重量%的添加剂,催化剂中镍和钒的总含量小于500ppm。
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公开(公告)号:US08415265B2
公开(公告)日:2013-04-09
申请号:US12664426
申请日:2008-05-21
申请人: Christian Kuhrs , Andreas Kern , Tilo John , Wolfgang Steiner , Heiko Maas
发明人: Christian Kuhrs , Andreas Kern , Tilo John , Wolfgang Steiner , Heiko Maas
IPC分类号: B01J29/06 , C07D251/12 , C07D251/60 , C07D251/62
CPC分类号: C07D251/60
摘要: A process for the preparation of melamine by decomposition of urea with the use of a catalyst, the catalyst comprising a) 10-90% by weight of zeolite, b) 10-90% by weight of a matrix comprising silica, alumina, silicon aluminum oxides and/or clay minerals, and c) 0-10% by weight of additives and the total content of nickel and vanadium in the catalyst being less than 500 ppm.
摘要翻译: 一种通过使用催化剂分解尿素来制备三聚氰胺的方法,所述催化剂包含a)10-90重量%的沸石,b)10-90重量%的包含二氧化硅,氧化铝,硅铝的基体 氧化物和/或粘土矿物,和c)0-10重量%的添加剂,催化剂中镍和钒的总含量小于500ppm。
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公开(公告)号:US20100222582A1
公开(公告)日:2010-09-02
申请号:US12738049
申请日:2008-10-14
申请人: Andreas Kern , Hans-Ulrich Pröbstle , Tilo John , Wolfgang Steiner , Heiko Maas
发明人: Andreas Kern , Hans-Ulrich Pröbstle , Tilo John , Wolfgang Steiner , Heiko Maas
IPC分类号: C07D251/60
CPC分类号: C07D251/60 , C07D251/62
摘要: Process for preparing melamine by converting urea in the presence of a solid catalyst in one reactor or in a plurality of reactors connected in series in the temperature range from 370° C. to 430° C., cooling and filtering the gas formed in the urea conversion, removing the melamine by desublimation and recycling a portion of the gas present after the melamine removal (“cycle gas”) into the reactor or the reactors, which comprises performing all of the above stages at a pressure in the range from 4 bar abs. to 10 bar abs.
摘要翻译: 在固体催化剂存在下,通过在一个反应器或多个在370℃至430℃的温度范围内串联连接的多个反应器的反应器中转化尿素来制备三聚氰胺的方法,冷却和过滤形成在尿素中的气体 将三聚氰胺除去(“循环气体”)之后存在的气体的一部分进入反应器或反应器,从而将三聚氰胺除去,并将其中的一部分再循环到反应器或反应器中,其中包括在4巴 。 至10巴绝对
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公开(公告)号:US09598379B2
公开(公告)日:2017-03-21
申请号:US12738049
申请日:2008-10-14
申请人: Andreas Kern , Hans-Ulrich Pröbstle , Tilo John , Wolfgang Steiner , Heiko Maas
发明人: Andreas Kern , Hans-Ulrich Pröbstle , Tilo John , Wolfgang Steiner , Heiko Maas
IPC分类号: C07D251/60 , C07D251/62
CPC分类号: C07D251/60 , C07D251/62
摘要: Process for preparing melamine by converting urea in the presence of a solid catalyst in one reactor or in a plurality of reactors connected in series in the temperature range from 370° C. to 430° C., cooling and filtering the gas formed in the urea conversion, removing the melamine by desublimation and recycling a portion of the gas present after the melamine removal (“cycle gas”) into the reactor or the reactors, which comprises performing all of the above stages at a pressure in the range from 4 bar abs. to 10 bar abs.
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7.
公开(公告)号:US20130255511A1
公开(公告)日:2013-10-03
申请号:US13993688
申请日:2011-12-13
申请人: Wolfgang Steiner
发明人: Wolfgang Steiner
IPC分类号: A23N1/02
CPC分类号: A23N1/02 , A47J19/023 , A47J19/027
摘要: An apparatus is provided for processing fruit or vegetables in order to obtain a flowable mass, such as juice or puree and includes a receptacle, an extraction unit for mechanically extracting juice and pulp from the fruit or vegetables, the unit being located within the receptacle for discharging the juice and pulp into the receptacle, a motor unit, drivingly connected to the extraction unit, an outlet unit for collecting flowable mass from the receptacle.
摘要翻译: 提供了一种用于处理水果或蔬菜以便获得诸如果汁或泥浆的可流动物料的装置,并且包括容器,用于从水果或蔬菜机械提取果汁和纸浆的提取单元,该单元位于容器内,用于 将果汁和纸浆排放到容器中,驱动地连接到提取单元的马达单元,用于从容器收集可流动物料的出口单元。
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公开(公告)号:US5765763A
公开(公告)日:1998-06-16
申请号:US585350
申请日:1996-01-11
摘要: The invention relates to a process for recycling diaphragms, in particular a process for recycling used asbestos-free diaphragms from alkali metal chloride electrolysis, the diaphragm material being comminuted, the diaphragm material being washed with a wash substrate and a reusable material being obtained.
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公开(公告)号:US5876785A
公开(公告)日:1999-03-02
申请号:US992030
申请日:1997-12-17
CPC分类号: C25B13/00 , Y10S241/606
摘要: The invention relates to a process for recycling diaphragms, in particular a process for recycling used asbestos-free diaphragms from alkali metal chloride electrolysis, the diaphragm material being comminuted, the diaphragm material being washed with a wash substrate and a reusable material being obtained.
摘要翻译: 本发明涉及一种用于回收隔膜的方法,特别是一种用于从碱金属氯化物电解中循环使用无石棉隔膜的方法,粉碎隔膜材料,隔膜材料用洗涤基板和可重复使用的材料洗涤。
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公开(公告)号:US5755951A
公开(公告)日:1998-05-26
申请号:US876250
申请日:1997-06-16
申请人: Rudi Kroner , Bernd Leutner , Hans-Michael Schneider , Holger Friedrich , Kurt Hecky , Dieter Schlafer , Wolfgang Steiner
发明人: Rudi Kroner , Bernd Leutner , Hans-Michael Schneider , Holger Friedrich , Kurt Hecky , Dieter Schlafer , Wolfgang Steiner
摘要: A process for the regeneration of plastic diaphragms is described, in which a mineral acid solution is mixed with a suitable corrosion inhibitor, this mixture is temperature controlled at from approximately 0.degree. to 100.degree. C., preferably 40.degree. to 80.degree. C., in particular 50.degree. to 70.degree. C., and passed through the diaphragm for from approximately 0.1 to 84 hours, preferably 1 to 72 hours, in particular 2 to 24 hours.
摘要翻译: 描述了一种用于塑料隔膜再生的方法,其中无机酸溶液与合适的缓蚀剂混合,该混合物的温度控制在约0℃至100℃,优选40℃至80℃, 特别是50℃至70℃,并通过隔膜约0.1至84小时,优选1至72小时,特别是2至24小时。
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