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1. 发明授权

US06600055B2 Process for the epoxidation of olefins 有权
标题翻译：烯烃环氧化方法
公开(公告)号：US06600055B2
公开(公告)日：2003-07-29
申请号：US10170233
申请日：2002-06-13
申请人： Thomas Haas , Willi Hofen , Jörg Sauer , Georg Thiele
发明人： Thomas Haas , Willi Hofen , Jörg Sauer , Georg Thiele
IPC分类号： C07D30112
CPC分类号： C07D301/12
摘要： A process for the catalytic epoxidation of olefins with hydrogen peroxide in a continuous flow reaction system, wherein the reaction mixture is passed through a fixed catalyst bed within a reactor equipped with cooling means while maintaining a temperature profile within the reactor such that the cooling medium temperature of the cooling means is at least 40° C. and the maximum temperature within the catalyst bed is 60° C. at most.
摘要翻译：一种在连续流动反应系统中用过氧化氢催化环氧化烯烃的方法，其中反应混合物在装有冷却装置的反应器中通过固定催化剂床，同时保持反应器内的温度分布，使得冷却介质温度的冷却装置至少为40℃，催化剂床内的最高温度最多为60℃。

2. 发明授权

US06596881B2 Process for the epoxidation of olefins 有权
标题翻译：烯烃环氧化方法
公开(公告)号：US06596881B2
公开(公告)日：2003-07-22
申请号：US10170196
申请日：2002-06-13
申请人： Thomas Haas , Willi Hofen , Georg Thiele , Jörg Sauer
发明人： Thomas Haas , Willi Hofen , Georg Thiele , Jörg Sauer
IPC分类号： C07D30112
CPC分类号： C07D301/12
摘要： A process for the catalytic epoxidation of olefins with hydrogen peroxide in a continuous flow reaction system, wherein the reaction mixture is passed through a fixed catalyst bed in down-flow operation mode and the reaction heat is at least partially removed during the course of the reaction.
摘要翻译：在连续流动反应系统中用过氧化氢催化环氧化烯烃的方法，其中反应混合物以下流操作模式通过固定的催化剂床，反应热在反应过程中至少部分除去。

3. 发明授权

US06596883B2 Process for the epoxidation of olefins 有权
公开(公告)号：US06596883B2
公开(公告)日：2003-07-22
申请号：US10226766
申请日：2002-08-23
申请人： Willi Hofen , Thomas Haas , Wolfgang Wöll , Georg Thiele
发明人： Willi Hofen , Thomas Haas , Wolfgang Wöll , Georg Thiele
IPC分类号： C07D30132
CPC分类号： C07D301/12
摘要： A process for the working up of a product stream from the epoxidation of olefins that contains olefin, olefin oxide, water-miscible organic solvent and water, by separating this product stream into an overhead product containing olefin, olefin oxide and organic solvent, and into a bottom product containing organic solvent and water, wherein the separation takes place in a pre-evaporator with less than 10 theoretical separation stages at a pressure of 1.5 to less than 3 bar, and 20 to 60% of the total amount of organic solvent introduced with the product stream is removed with the overhead product and the balance remains in the bottom product. A process for the epoxidation of olefins that includes this working up stage is also disclosed.

4. 发明授权

US06838572B2 Process for the epoxidation of olefins 有权
标题翻译：烯烃环氧化方法
公开(公告)号：US06838572B2
公开(公告)日：2005-01-04
申请号：US10669993
申请日：2003-09-24
申请人： Thomas Haas , Claudia Brasse , Guido Stochniol , Willi Hofen , Wolfgang Wöll , Georg Thiele
发明人： Thomas Haas , Claudia Brasse , Guido Stochniol , Willi Hofen , Wolfgang Wöll , Georg Thiele
IPC分类号： C01B15/013 , C01B15/023 , C07D301/12
CPC分类号： C01B15/013 , C01B15/023 , C07D301/12
摘要： A continuous process for the epoxidation of olefins with hydrogen peroxide in the presence of a heterogeneous catalyst promoting the epoxidation reaction, whereby the aqueous reaction mixture contains i) an olefin; ii) hydrogen peroxide; iii) less than 100 wppm of alkali metals, earth alkali metals, both irrespective whether in ionic, complex or covalently bonded form, bases or cations of bases having a pkB of less than 4.5, or combinations thereof; and, iv) at least 100 wppm of bases or cations of bases having a pkB of at least 4.5 or combinations thereof, whereby the wppm are based on the total weight of hydrogen peroxide in the reaction mixture.
摘要翻译：在促进环氧化反应的多相催化剂的存在下用过氧化氢环氧化烯烃的连续方法，由此含水反应混合物含有i）烯烃; ii）过氧化氢; iii）小于100wppm的碱金属，碱土金属，无论是在离子，复合或共价键合的形式，碱性或pKB小于4.5的碱的阳离子，或其组合; 和iv）至少100wppm的pkB至少为4.5的碱或碱的阳离子或其组合，其中wppm是基于反应混合物中过氧化氢的总重量。

5. 发明授权

US06617465B2 Process for the epoxidation of olefins 有权
公开(公告)号：US06617465B2
公开(公告)日：2003-09-09
申请号：US10038776
申请日：2002-01-08
申请人： George Thiele , Willi Hofen , Jörg Sauer , Thomas Haas
发明人： George Thiele , Willi Hofen , Jörg Sauer , Thomas Haas
IPC分类号： G07D30112
CPC分类号： C07D311/12 , Y02P20/584
摘要： A process for the catalytic epoxidation of olefins by means of hydrogen peroxide and a titanium zeolite catalyst, wherein the epoxidation reaction is carried out in a reaction system through which the reaction mixture flows continuously and the regeneration of deactivated catalyst is carried out by means of hydrogen peroxide in the presence of the olefin while continuing the epoxidation reaction.

6. 发明授权

US07141683B2 Process for the epoxidation of olefins 有权
标题翻译：烯烃环氧化方法
公开(公告)号：US07141683B2
公开(公告)日：2006-11-28
申请号：US10428607
申请日：2003-05-02
申请人： Thomas Haas , Georg Thiele , Gerald Moroff , Norbert Ullrich , Willi Hofen , Guido Stochniol , Hubertus Eickhoff , Werner Pohl , Wolfgang Wöll , Claudia Brasse , José Berges , Percy Kampeis
发明人： Thomas Haas , Georg Thiele , Gerald Moroff , Norbert Ullrich , Willi Hofen , Guido Stochniol , Hubertus Eickhoff , Werner Pohl , Wolfgang Wöll , Claudia Brasse , José Berges , Percy Kampeis
IPC分类号： C07D301/12
CPC分类号： C07D301/12
摘要： A process for the epoxidation of olefins which includes i) reacting an olefin with hydrogen peroxide in presence of an epoxidation catalyst and an alcoholic solvent; ii) separating product olefin oxide and unreacted olefin from the reaction product of step i); iii) recovering a stream comprising the alcoholic solvent; and iv) subjecting the recovered stream of step iii) to hydrogenation.
摘要翻译：烯烃环氧化方法，其包括：i）在环氧化催化剂和醇溶剂的存在下使烯烃与过氧化氢反应; ii）从步骤i）的反应产物中分离产物烯烃氧化物和未反应的烯烃; iii）回收包含醇溶剂的料流; 和iv）使回收的步骤iii）的流经受氢化。

7. 发明授权

US06720436B2 Process for the epoxidation of olefins 有权
标题翻译：烯烃环氧化方法
公开(公告)号：US06720436B2
公开(公告)日：2004-04-13
申请号：US10384217
申请日：2003-03-07
申请人： Willi Hofen , Georg Thiele , Thomas Haas , Wolfgang Wöll , Percy Kampeis , Bärbel Kolbe
发明人： Willi Hofen , Georg Thiele , Thomas Haas , Wolfgang Wöll , Percy Kampeis , Bärbel Kolbe
IPC分类号： C07D30112
CPC分类号： C07D301/12
摘要： A process for the catalytic epoxidation of olefins in at least one reaction stage comprising: (a) reacting the olefin with hydrogen peroxide in an organic, water-miscible solvent in the presence of a titanium silicalite catalyst in a reactor while continuously feeding an inert gas stream into the reactor, (b) continuously removing an exit gas stream containing olefin oxide, unreacted olefin, oxygen and inert gas from the reactor, (c) bringing the exit gas stream into contact in an absorption unit with the same solvent as used in the reaction stage, (d) removing a solvent stream loaded with olefin and olefin oxide from the absorption unit and (e) discharging an gas stream containing oxygen and the inert gas from the absorption unit.
摘要翻译：一种用于在至少一个反应阶段中对烯烃进行催化环氧化的方法，包括：（a）在反应器中在钛硅沸石催化剂存在下，使烯烃与有机的水混溶性溶剂中的过氧化氢反应，同时连续进料惰性气体（b）从反应器中连续除去含有烯烃氧化物，未反应的烯烃，氧和惰性气体的出口气流，（c）使出口气流与吸收单元中的相同溶剂接触，反应阶段，（d）从吸收单元除去负载有烯烃和烯烃氧化物的溶剂流，和（e）从吸收单元排出含有氧和惰性气体的气流。

8. 发明授权

US07049450B2 Process for the purification of crude propene oxide 有权
标题翻译：纯丙烯氧化物的纯化方法
公开(公告)号：US07049450B2
公开(公告)日：2006-05-23
申请号：US10723270
申请日：2003-11-26
申请人： Willi Hofen , Thomas Haas , Wolfgang Wöll , Georg Thiele
发明人： Willi Hofen , Thomas Haas , Wolfgang Wöll , Georg Thiele
IPC分类号： C07D301/03 , C07D301/12 , B01D3/34
CPC分类号： C07D301/32
摘要： A process for the purification of a crude propene oxide containing methanol and acetaldehyde by a continuously operated extractive distillation using an extraction solvent lowering the volatility of methanol and feeding a compound containing an unsubstituted NH2 group capable of reacting with acetaldehyde to a distillation column at a point above the feeding point of the crude propene oxide to give a purified propene oxide containing less than 100 ppm methanol and less than 100 ppm acetaldehyde. There is also disclosed a process for the catalytic epoxidation of propene that includes this purification stage.
摘要翻译：一种通过连续操作的萃取蒸馏来纯化含有甲醇和乙醛的粗丙烯氧化物的方法，该提取溶剂使用降低甲醇挥发性的萃取溶剂，并将含有能与下列物质反应的未取代的NH 2基团的化合物乙醛在粗丙烯氧化物的进料点上方的蒸馏塔中，得到含有小于100ppm甲醇和小于100ppm乙醛的纯化丙烯氧化物。还公开了包括该纯化阶段的丙烯的催化环氧化方法。

9. 发明授权

US06608219B2 Process for the epoxidation of olefins 有权
公开(公告)号：US06608219B2
公开(公告)日：2003-08-19
申请号：US10170203
申请日：2002-06-13
申请人： Thomas Haas , Willi Hofen , Georg Thiele , Stefan Pilz , Wolfgang Woell
发明人： Thomas Haas , Willi Hofen , Georg Thiele , Stefan Pilz , Wolfgang Woell
IPC分类号： C07D30112
CPC分类号： C07D301/12
摘要： A process for the catalytic epoxidation of olefins with hydrogen peroxide in a multiphase reaction mixture comprising a liquid aqueous hydrogen peroxide rich phase containing an organic solvent having a solubility in water of at least 10% by weight at 25° C. and a liquid organic olefin rich phase.

10. 发明授权

US06646141B2 Process for the epoxidation of olefins 有权
标题翻译：烯烃环氧化方法
公开(公告)号：US06646141B2
公开(公告)日：2003-11-11
申请号：US10203184
申请日：2002-10-04
申请人： Willi Hofen , Georg Thiele , Alexander Möller
发明人： Willi Hofen , Georg Thiele , Alexander Möller
IPC分类号： C07D30112
CPC分类号： C07D301/12 , C07D301/32
摘要： The present invention relates to a process for the working up of a product stream from the epoxidation of olefins that contains olefin, olefin oxide, water-miscible organic solvent and water, by separating this product stream into an overhead product containing olefin, olefin oxide and organic solvent, and into a bottom product containing organic solvent and water, wherein the separation takes place in a pre-evaporator with at most 5 theoretical separation stages, and 20 to 60% of the total amount of organic solvent introduced with the product stream is removed with the overhead product and the residue remains in the bottom product, as well as a process for the epoxidation of olefins that includes this working up stage.
摘要翻译：本发明涉及一种通过将该产物流分离成含有烯烃，烯烃氧化物的塔顶产物和来自含有烯烃，烯烃氧化物，水混溶性有机溶剂和水的烯烃的环氧化来处理产物流的方法，有机溶剂，并进入含有有机溶剂和水的底部产物，其中分离在预蒸发器中进行至多5个理论分离阶段，并且与产物流引入的有机溶剂的总量的20至60％用塔顶产物除去残余物残留在底部产物中，以及包括该加工阶段的烯烃环氧化方法。

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