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1. 发明授权

US06646161B1 Method for the fractional condensation of a hot gas mixture containing acrylic acid or methacrylic acid and having a high proportion of non-condensable constituents 有权
$Method for the fractional condensation of a hot gas mixture containing acrylic acid or methacrylic acid and having a high proportion of non-condensable constituents$
标题翻译：含有丙烯酸或甲基丙烯酸并具有高比例不可冷凝成分的热气体混合物的分级冷凝的方法
公开(公告)号：US06646161B1
公开(公告)日：2003-11-11
申请号：US09508077
申请日：2000-03-13
申请人： Bernd Eck , Otto Machhammer , Theo Proll , Volker Schliephake , Joachim Thiel , Klaus Bröllos
发明人： Bernd Eck , Otto Machhammer , Theo Proll , Volker Schliephake , Joachim Thiel , Klaus Bröllos
IPC分类号： C07C5142
CPC分类号： B01D5/003 , C07C51/44 , C07C57/04
摘要： A process for the fractional condensation of a gas mixture which, in addition to acrylic acid or methacrylic acid, also contains at least one further condensable component and additionally a high proportion of one or more noncondensable components, wherein the gas mixture is passed through a column having separatory internals and the condensable components are condensed by cooling.
摘要翻译：一种除丙烯酸或甲基丙烯酸之外还含有至少一种其它可冷凝组分和另外高比例的一种或多种不可冷凝组分的气体混合物的分级冷凝的方法，其中气体混合物通过柱具有分离内件和可冷凝组分通过冷却而冷凝。

2. 发明授权

US06448439B1 Method for producing acrylic acid and methacrylic acid 有权
标题翻译：制备丙烯酸和甲基丙烯酸的方法
公开(公告)号：US06448439B1
公开(公告)日：2002-09-10
申请号：US09508084
申请日：2000-03-13
申请人： Bernd Eck , Otto Machhammer , Theo Proll , Volker Schliephake , Joachim Thiel , Klaus Bröllos
发明人： Bernd Eck , Otto Machhammer , Theo Proll , Volker Schliephake , Joachim Thiel , Klaus Bröllos
IPC分类号： C07C5142
CPC分类号： C07C51/43 , C07C57/04
摘要： A process for preparing acrylic acid or methacrylic acid comprises preparing a gaseous product mixture having essentially the composition of a reaction mixture of the catalytic gas phase oxidation of C3-/C4-alkanes, -alkenes, -alkanols and/or -alkanals and/or precursors thereof to form acrylic acid or methacrylic acid. The product is removed from the gaseous product mixture by a process comprising the following steps: (a) condensing said gaseous product mixture, (b) crystallizing acrylic acid or methacrylic acid from the solution obtained in step (a), (c) removing the resulting crystals from the mother liquor, and (d) recycling at least a portion of said mother liquor from step (c) into step (a).
摘要翻译：制备丙烯酸或甲基丙烯酸的方法包括制备气态产物混合物，其基本上具有C3- / C4-烷烃， - 烯烃， - 链烷醇和/或 - 烷烃和/或 - 烷烃的催化气相氧化反应混合物的组成和/或其前体形成丙烯酸或甲基丙烯酸。通过包括以下步骤的方法从气态产物混合物中除去产物：（a）冷凝所述气态产物混合物，（b）从步骤（a）中获得的溶液中结晶丙烯酸或甲基丙烯酸，（c）从母液中得到的晶体，和（d）将来自步骤（c）的所述母液的至少一部分再循环到步骤（a）中。

3. 发明授权

US06433222B1 Method for producing acrylic acid 有权
标题翻译：制备丙烯酸的方法
公开(公告)号：US06433222B1
公开(公告)日：2002-08-13
申请号：US09764985
申请日：2001-01-22
申请人： Bernd Eck , Jörg Heilek , Volker Schliephake , Theo Proll , Klaus Bröllos , Otto Machhammer , Joachim Thiel
发明人： Bernd Eck , Jörg Heilek , Volker Schliephake , Theo Proll , Klaus Bröllos , Otto Machhammer , Joachim Thiel
IPC分类号： C07C5142
CPC分类号： C07C51/43 , C07C57/04
摘要： A process for the preparation of acrylic acid by: (a) preparation of a gaseous product mixture which essentially has the composition of a reaction mixture of catalytic gas-phase oxidation of C3-alkanes, C3-alkenes, C3-alkanols and/or C3-alkanals and/or intermediates thereof to acrylic acid, which comprises (b) condensation of the gaseous product mixture, (c) crystallization of the acrylic acid from the solution obtained in stage (b), with partial evaporation of the solution under reduced pressure, (d) isolation of the resulting crystals from the mother liquor, (e) recycling of at least a part of the mother liquor from stage (d) to stage (b) and (f) recycling of at least a part of the evaporated solution from stage (c) to stage (b).
摘要翻译：一种通过以下方法制备丙烯酸的方法：（a）制备气态产物混合物，其基本上具有C3-烷烃，C3-烯烃，C3-链烷醇和/或C3的催化气相氧化反应混合物的组成 - 烷醇和/或其中间体，其包括（b）气态产物混合物的冷凝，（c）丙烯酸从阶段（b）中获得的溶液中的结晶，在减压下部分蒸发溶液，（d）从母液中分离得到的晶体，（e）将至少一部分母液从阶段（d）再循环到阶段（b），和（f）将至少一部分蒸发的从（c）阶段到（b）阶段的方案。

4. 发明授权

US07109374B2 Method for the continuous extraction of (meth)acrylic acid 失效
标题翻译：连续萃取（甲基）丙烯酸的方法
公开(公告)号：US07109374B2
公开(公告)日：2006-09-19
申请号：US10473102
申请日：2002-03-28
申请人： Otto Machhammer , Christoph Adami , Claus Hechler , Juergen Schroeder , Volker Schliephake , Joachim Thiel , Volker Diehl
发明人： Otto Machhammer , Christoph Adami , Claus Hechler , Juergen Schroeder , Volker Schliephake , Joachim Thiel , Volker Diehl
IPC分类号： C07C51/42
CPC分类号： C07C51/44 , B01D3/225 , C07C51/48 , C07C57/04
摘要： A process for the continuous recovery of (meth)acrylic acid from the reaction gas of a catalytic gas-phase oxidation comprising the following process stages is proposed: I quenching of the reaction gas by evaporative cooling using a high-boiling solvent, II separation of the (meth)acrylic acid from the quenched reaction gas by absorption into the high-boiling solvent, III separation of the solvent laden with (meth)acrylic acid by rectification into a first part-stream IIIA), which contains predominantly (meth)acrylic acid, and into a second part-stream IIIB) which contains predominantly the solvent, IV recycling of the stream IIIB) to process stage II and V distillative production of (meth)acrylic acid from stream IIIA), all liquid residual streams obtained in process stage V being recycled to process stage I.
摘要翻译：提出了从包括以下工艺步骤的催化气相氧化反应气体连续回收（甲基）丙烯酸的方法：I通过使用高沸点溶剂的蒸发冷却来淬灭反应气体，II分离（甲基）丙烯酸通过吸收进入高沸点溶剂从淬灭的反应气体中分离，III分离含有（甲基）丙烯酸的溶剂通过精馏分离成第一部分流IIIA），其主要含有（甲基）丙烯酸酸，并且进入第二部分流IIIB），其主要包含溶剂，IVB流的再循环），以处理从流IIIA进行的步骤II和V蒸馏生产（甲基）丙烯酸），所有在过程中获得的液体残余流第五阶段被回收到处理阶段I.

5. 发明授权

US07520964B2 Method for the rectifying separation of fluids containing (meth)acryl monomers 有权
标题翻译：含有（甲基）丙烯酸单体的流体的精馏分离方法
公开(公告)号：US07520964B2
公开(公告)日：2009-04-21
申请号：US10515639
申请日：2003-07-02
申请人： Ulrich Hammon , Joachim Thiel , Volker Schliephake , Juergen Schroeder
发明人： Ulrich Hammon , Joachim Thiel , Volker Schliephake , Juergen Schroeder
IPC分类号： B01D3/22 , B01D3/32
CPC分类号： B01D3/22 , B01D3/225 , C07C51/44 , Y10S203/11 , Y10S203/22 , C07C57/04
摘要： A process for rectificatively separating at least one (meth)acrylic monomer-containing fluid by feeding the fluid into a rectification column containing at least one sieve tray without a runoff segment, wherein an elementary cell is obtained from a number of centers of passages in a sieve tray, and the cell shifts regularly and repeatedly along its edges, the lengths of two shifting vectors being the lengths of the edges of the cell along which the shifting is effected; an arrangement of the centers is such that the positions of an ideal center and a real center are separated by ≦1% of half of the sum of the lengths of the two shifting vectors; and an arrangement of the passages is such that the sum of non-overlapping surface areas of an ideal passage with a real passage and vice versa is ≦1% of the surface area of the ideal passage.
摘要翻译：将含有至少一种（甲基）丙烯酸系单体的流体通过将流体供给至含有至少一个不具有径流段的多孔塔的精馏塔的方法，其中从多个通道中心获得基本单元，筛板，并且单元沿其边缘规则地且重复地移动，两个移动向量的长度是实现移位的单元的边缘的长度; 中心的布置使得理想中心和实心的位置被两个移位矢量的长度之和的一半的<= 1％分开; 并且通道的布置使得理想通道的非重叠表面面积与实际通道的总和相反，<=理想通道的表面积的1％。

6. 发明申请

US20050211542A1 Method for the rectifying separation of fluids containing (meth)acryl monomers 有权
标题翻译：含有（甲基）丙烯酸单体的流体的精馏分离方法
公开(公告)号：US20050211542A1
公开(公告)日：2005-09-29
申请号：US10515639
申请日：2003-07-02
申请人： Ulrich Hammon , Joachim Thiel , Volker Schliephake , Jurgen Schroder
发明人： Ulrich Hammon , Joachim Thiel , Volker Schliephake , Jurgen Schroder
IPC分类号： B01D3/22 , C07C51/44 , B01D3/14 , C07C51/42
CPC分类号： B01D3/22 , B01D3/225 , C07C51/44 , Y10S203/11 , Y10S203/22 , C07C57/04
摘要： In a process for rectificatively separating (meth)acrylic monomer-containing fluids, a rectification column is employed which has at least one sieve tray without runoff segment in which the passages are arranged regularly.
摘要翻译：在用于精馏（甲基）丙烯酸单体的流体的方法中，使用具有至少一个没有径流段的筛塔的精馏塔，其中通道排列规则。

7. 发明授权

US07393436B2 Thermal separating process for removing at least one stream containing enriched (meth) acrylic monomers 有权
标题翻译：用于除去至少一种含有富含（甲基）丙烯酸单体的物流的热分离方法
公开(公告)号：US07393436B2
公开(公告)日：2008-07-01
申请号：US10888933
申请日：2004-07-12
申请人： Bernd Eck , Ulrich Hammon , Klaus Joachim Mueller-Engel , Juergen Schroeder , Joachim Thiel , Hans Martan
发明人： Bernd Eck , Ulrich Hammon , Klaus Joachim Mueller-Engel , Juergen Schroeder , Joachim Thiel , Hans Martan
IPC分类号： B01D3/14 , B01D3/42 , C07C51/43
CPC分类号： C07C51/43 , B01D3/14 , B01D3/225 , B01D3/322 , C07C51/215 , C07C51/252 , C07C51/44 , Y10S203/22 , C07C57/04
摘要： A thermal separating process for removing a stream containing enriched (meth)acrylic monomers from a mixture containing (meth)acrylic monomers, in which the liquid phases retained in the separating space at high temperature and high (meth)acrylic monomer content are minimized.
摘要翻译：一种用于从含有（甲基）丙烯酸单体的混合物中除去含有富含（甲基）丙烯酸单体的物流的热分离方法，其中在高温和高（甲基）丙烯酸单体含量保留在分离空间中的液相被最小化。

8. 发明申请

US20050090628A1 Thermal separating process for removing at least one stream containing enriched (meth) acrylic monomers 有权
标题翻译：用于除去至少一种含有富含（甲基）丙烯酸单体的物流的热分离方法
公开(公告)号：US20050090628A1
公开(公告)日：2005-04-28
申请号：US10888933
申请日：2004-07-12
申请人： Bernd Eck , Ulrich Hammon , Klaus Mueller-Engel , Juergen Schroeder , Joachim Thiel , Hans Martan
发明人： Bernd Eck , Ulrich Hammon , Klaus Mueller-Engel , Juergen Schroeder , Joachim Thiel , Hans Martan
IPC分类号： B01D3/14 , B01D3/32 , C07C51/215 , C07C51/25 , C07C51/43 , C07C51/44 , C08F2/00
CPC分类号： C07C51/43 , B01D3/14 , B01D3/225 , B01D3/322 , C07C51/215 , C07C51/252 , C07C51/44 , Y10S203/22 , C07C57/04
摘要： A thermal separating process for removing a stream containing enriched (meth)acrylic monomers from a mixture containing (meth)acrylic monomers, in which the liquid phases retained in the separating space at high temperature and high (meth)acrylic monomer content are minimized.
摘要翻译：一种用于从含有（甲基）丙烯酸单体的混合物中除去含有富含（甲基）丙烯酸单体的物流的热分离方法，其中在高温和高（甲基）丙烯酸单体含量保留在分离空间中的液相被最小化。

9. 发明申请

US20050006219A1 Thermal separating process for removing at least one stream containing enriched (meth)acrylic monomers 审中-公开
标题翻译：用于除去至少一种含有富含（甲基）丙烯酸单体的物流的热分离方法
公开(公告)号：US20050006219A1
公开(公告)日：2005-01-13
申请号：US10879737
申请日：2004-06-30
申请人： Bernd Eck , Ulrich Hammon , Klaus Muller-Engel , Jurgen Schroder , Joachim Thiel , Hans Martan
发明人： Bernd Eck , Ulrich Hammon , Klaus Muller-Engel , Jurgen Schroder , Joachim Thiel , Hans Martan
IPC分类号： B01D3/14 , B01D3/32 , C07C51/215 , C07C51/25 , C07C51/43 , C07C51/44 , B01D3/42 , C07C51/42
CPC分类号： C07C51/43 , B01D3/14 , B01D3/225 , B01D3/322 , C07C51/215 , C07C51/252 , C07C51/44 , Y10S203/22 , C07C57/04
摘要： A thermal separating process for removing a stream containing enriched (meth)acrylic monomers from a mixture containing (meth)acrylic monomers, in which the liquid phases retained in the separating space at high temperature and high (meth)acrylic monomer content are minimized.
摘要翻译：一种用于从含有（甲基）丙烯酸单体的混合物中除去含有富含（甲基）丙烯酸单体的物流的热分离方法，其中在高温和高（甲基）丙烯酸单体含量保留在分离空间中的液相被最小化。

10. 发明授权

US06541665B1 Method for purifying acrylic acid or methacrylic acid by crystallization and distillation 失效
标题翻译：通过结晶和蒸馏纯化丙烯酸或甲基丙烯酸的方法
公开(公告)号：US06541665B1
公开(公告)日：2003-04-01
申请号：US09719572
申请日：2001-01-02
申请人： Erik Bastiaensen , Bernd Eck , Joachim Thiel
发明人： Erik Bastiaensen , Bernd Eck , Joachim Thiel
IPC分类号： C07C5143
CPC分类号： C07C51/43 , C07C51/44 , C07C57/04
摘要： In a process for the purification of acrylic acid or methacrylic acid by crystallization and distillation, the following steps are carried out: (a) crystallization of a mixture containing the acrylic acid or methacrylic acid with formation of product crystals having a higher concentration of acrylic acid or methacrylic acid and of a mother liquor, (b) distillation of at least part of the mother liquor from step (a) with formation of a distillation residue, which is at least partly removed, and of a top product, (c) crystallization of at least part of the top product from step (b) with formation of a crystallization residue, which is removed, and of crystals and (d) recycling of the crystals from step (c) to the crystallization (a).
摘要翻译：在通过结晶和蒸馏纯化丙烯酸或甲基丙烯酸的方法中，进行以下步骤：（a）含有丙烯酸或甲基丙烯酸的混合物的结晶，形成具有较高浓度丙烯酸的产物晶体或甲基丙烯酸和母液，（b）蒸馏来自步骤（a）的至少部分母液，形成至少部分除去的蒸馏残余物和顶部产物，（c）结晶的至少部分来自步骤（b）的顶部产物的形成，其中除去了结晶残余物，以及晶体和（d）将步骤（c）中的晶体再循环至结晶（a）。

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