专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2017089079A1 PROCESS FOR THE EPOXIDATION OF PROPENE 审中-公开
标题翻译：丙烯的环氧化方法
公开(公告)号：WO2017089079A1
公开(公告)日：2017-06-01
申请号：PCT/EP2016/076319
申请日：2016-11-02
申请人： EVONIK DEGUSSA GMBH , THYSSENKRUPP INDUSTRIAL SOLUTIONS AG
发明人： HOFEN, Willi , HAAS, Thomas , WÖLL, Wolfgang , KOLBE, Bärbel
IPC分类号： C07D301/12
CPC分类号： C07D301/12
摘要： In a process for the epoxidation of propene by reacting excess propene with hydrogen peroxide, non-reacted propene is recovered by a series of at least two sequential pressure reduction steps, recompressing the vapors resulting from pressure reduction in these steps in a corresponding series of compression steps in reverse order,and condensing the compressed vapor phase from the first pressure reduction step in a condensing step.
摘要翻译：在通过使过量的丙烯与过氧化氢反应而使丙烯环氧化的方法中，未反应的丙烯通过一系列至少两个连续的减压步骤来回收，将压力降低产生的蒸气再压缩到这些步骤以相反顺序进行相应的一系列压缩步骤，并且在冷凝步骤中冷凝来自第一减压步骤的压缩蒸汽相。

2. 发明申请

WO2017162446A1 PROCESS FOR THE EPOXIDATION OF PROPENE 审中-公开
标题翻译：丙烯的环氧化方法
公开(公告)号：WO2017162446A1
公开(公告)日：2017-09-28
申请号：PCT/EP2017/055656
申请日：2017-03-10
申请人： EVONIK DEGUSSA GMBH , THYSSENKRUPP INDUSTRIAL SOLUTIONS AG
发明人： WÖLL, Wolfgang , BRENDEL, Marc , JAEGER, Bernd , BREDEMEYER, Niels , KOLBE, Bärbel , ULLRICH, Norbert , BERNHARD, Maik
IPC分类号： C07D301/12
摘要： During start-up of a continuous epoxidation of propene with hydrogen peroxide in a methanol solvent witha shaped titanium silicalite catalyst in a tube bundle reactor with acooling jacket, cooling medium isfed at the rate for full load of the reactorwith a constant entry temperature of from 20 °C to 50 °C,methanol solvent is fed at a rate of from 50 to 100% for full load of the reactor, hydrogen peroxide is fed at a rate that starts with no more than 10 % of the rate for full load and is increased continuously or stepwise to maintain a maximum temperature in the fixed bed of no more than 60°C and a difference between the maximum temperature in the fixed bed and the cooling mediumentry temperature of no more than 20°C, and propene is fed at a rate of from 20 to 100 % of the rate for full load, increasing the feeding rate when the molar ratio of propene to hydrogen peroxide reaches the molar ratio for full load.
摘要翻译：在具有蒸发夹套的管束式反应器中，在启动过氧化氢与甲醇溶剂的连续环氧化过程中，在具有成型钛硅沸石催化剂的甲醇溶剂中，冷却介质以满负荷的速率具有20℃至50℃的恒定进口温度的反应器中，对于反应器的满负荷以50至100％的速率供应甲醇溶剂，过氧化氢以不超过满载率的10％，并且连续或逐步增加以保持固定床中的最高温度不超过60℃，并且固定床的最高温度与冷却介质温度之间的差异不超过 20℃，并且丙烯以满负荷速率的20-100％的速率进料，当丙烯与过氧化氢的摩尔比达到满负荷摩尔比时增加进料速率。

3. 发明申请

WO2017089076A1 PROCESS AND REACTOR FOR THE EPOXIDATION OF PROPENE 审中-公开
标题翻译：丙烯的环氧化工艺和反应器
公开(公告)号：WO2017089076A1
公开(公告)日：2017-06-01
申请号：PCT/EP2016/076273
申请日：2016-11-01
申请人： EVONIK DEGUSSA GMBH , THYSSENKRUPP INDUSTRIAL SOLUTIONS AG
发明人： BRENDEL, Marc , BÄRZ, Manfred , KOWOLL, Johannes , BOLZ, David , HOFEN, Willi , SCHEMEL, Jürgen , JAEGER, Bernd , BREDEMEYER, Niels , KOLBE, Bärbel , ULLRICH, Norbert , DOPFER, Michael , WÖLL, Wolfgang , PORSCHA, Peter , PFENNING, Dana , BERNHARD, Maik
IPC分类号： C07D301/12 , C07D303/04
CPC分类号： C07D301/12 , C07D303/04
摘要： Propene is continuously reacted with hydrogen peroxide in a tube bundle reactor comprising a multitude of parallel reaction tubes in the presence of a titanium silicalite catalyst arranged as a fixed bed in the reaction tubes. A cooling jacket encloses the reaction tubes, which has a feed point for cooling medium near the entry of the reaction tubes,a withdrawal point for cooling medium near the end of the reaction tubes and at least one additional withdrawal point upstream of the withdrawal point near the end of the reaction tubes. Cooling medium is fed to the feed point for cooling medium, a part of the cooling medium is withdrawn at the at least one additional withdrawal point and the remainder exits at the withdrawal point near the end of the reaction tubes.
摘要翻译：在钛硅沸石催化剂存在下，在包含多根平行反应管的管束反应器中，丙烯连续地与过氧化氢反应，所述钛硅沸石催化剂在反应管中布置为固定床。冷却夹套包围反应管，该反应管具有靠近反应管进口处的冷却介质进料点，靠近反应管末端的冷却介质取出点和靠近取出点上游的至少一个附加取料点反应管的末端。将冷却介质加入到冷却介质的进料点，一部分冷却介质在至少一个另外的取出点取出，其余部分在靠近反应管端部的取出点退出。

4. 发明申请

WO2016016070A1 PROCESS FOR THE EPOXIDATION OF AN OLEFIN 审中-公开
标题翻译：烯烃环氧化方法
公开(公告)号：WO2016016070A1
公开(公告)日：2016-02-04
申请号：PCT/EP2015/066814
申请日：2015-07-23
申请人： EVONIK DEGUSSA GMBH , THYSSENKRUPP INDUSTRIAL SOLUTIONS AG , STOCHNIOL, Guido , WÖLL, Wolfgang , SCHMIDT, Franz
发明人： STOCHNIOL, Guido , WÖLL, Wolfgang , SCHMIDT, Franz
IPC分类号： C07D301/12 , C07D303/04
CPC分类号： C07D301/12 , C07D303/04
摘要： In a process for the epoxidation of an olefin, where a mixture comprising olefin, hydrogen peroxide, water and methanol with a weight ratio of water to methanol of less than 1 is passed through a catalyst fixed bed comprising a shaped titanium silicalite catalyst, catalyst breakage is reduced by conditioning the dry catalyst with at least one conditioning liquid comprising water and from 25 to 45 % by weight methanol.
摘要翻译：在烯烃的环氧化方法中，其中将包含水与甲醇的重量比小于1的烯烃，过氧化氢，水和甲醇的混合物通过包含成型钛硅沸石催化剂的催化剂固定床，催化剂破裂通过用至少一种包含水的调理液和25至45重量％的甲醇调节干催化剂来减少。

5. 发明申请

WO2019025184A1 PROCESS FOR THE EPOXIDATION OF PROPENE 审中-公开
公开(公告)号：WO2019025184A1
公开(公告)日：2019-02-07
申请号：PCT/EP2018/069464
申请日：2018-07-18
申请人： EVONIK DEGUSSA GMBH , THYSSENKRUPP INDUSTRIAL SOLUTIONS AG
发明人： MORELL, Heiko , WIELAND, Stefan , BERNHARD, Andrea , GAUDSCHUN, Kurt-Alfred , PASCALY, Matthias , WÖLL, Wolfgang , SCHMIDT, Franz
IPC分类号： C07D301/12
CPC分类号： C07D301/12
摘要： In a process for the epoxidation of propene with hydrogen peroxide in the presence of an epoxidation catalyst, a shaped epoxidation catalyst is used comprising shaped bodies containing a first titanium silicalite with a titanium content of from 1.0 to 3.0 % by weight, calculated as ΤiΟ 2 , and a second titanium silicalite with a titanium content of from 3.0 to 5.0 % by weight, the titanium content of the second titanium silicalite being at least 0.1 % by weight higher than the titanium content of the first titanium silicalite.

6. 发明申请

WO2018215262A1 PROCESS FOR THE EPOXIDATION OF PROPENE 审中-公开
公开(公告)号：WO2018215262A1
公开(公告)日：2018-11-29
申请号：PCT/EP2018/062748
申请日：2018-05-16
申请人： EVONIK DEGUSSA GMBH , thyssenkrupp Industrial Solutions AG
发明人： HOFEN, Willi , HAAS, Thomas , WÖLL, Wolfgang , SCHEMEL, Jürgen , DIETZ, Hans-Christian , BRENDEL, Marc
IPC分类号： C07D301/12
摘要： In a process for the epoxidation of propene, comprising continuously reacting a propene feed with hydrogen peroxide in the presence of an epoxidation catalyst in a reaction step, using propene in excess to hydrogen peroxide, to provide a liquid reaction mixture comprising non-reacted propene, extra safety measures caused by the presence of oxygen during work-up of the liquid reaction mixture of the epoxidation reaction can be avoided by strippingliquid reaction mixture from step a) with an inert gas to provide an oxygen depleted stripped liquid reaction mixture and a strip gas stream, selecting the amount of inert gas to provide an oxygen concentration in the strip gas stream in the range of from 0.1 to 10 % by weight, separating non-reacted propene from the strip gas stream and recycling it to the reactionstep, and separating propene oxide from the stripped liquid reaction mixture.

7. 发明申请

WO2017093204A1 PROCESS FOR THE EPOXIDATION OF PROPENE 审中-公开
标题翻译：丙烯的环氧化方法
公开(公告)号：WO2017093204A1
公开(公告)日：2017-06-08
申请号：PCT/EP2016/079049
申请日：2016-11-28
申请人： EVONIK DEGUSSA GMBH , THYSSENKRUPP INDUSTRIAL SOLUTIONS AG
发明人： BERNHARD, Maik , DIETZ, Hans-Christian , SCHMIDT, Franz , PASCALY, Matthias , WÖLL, Wolfgang
IPC分类号： C07D301/12 , C07D301/32
CPC分类号： C07D301/12 , C07D301/32
摘要： In a process for the epoxidation of propene comprising the steps of epoxidizing propene with hydrogen peroxide in the presence of methanol, separating a crude propene oxide and a solvent mixture, extractive distillation of the crude propene oxide using a compound reactive to acetaldehyde, hydrogenating the solvent mixture and the bottoms product of the extractive distillation, recovering methanol from the hydrogenated mixture by distillation with acid addition, and recycling the recovered methanol to the epoxidation reaction, the use of a diaminoalkane having from 2 to 6 carbon atoms as reactive compound reduces the amount of strongly basic alkyl amines recycled with the methanol to the epoxidation step.
摘要翻译：在丙烯环氧化方法中，包括以下步骤：在甲醇存在下用过氧化氢环氧化丙烯，分离粗制环氧丙烷和溶剂混合物，用粗制环氧丙烷萃取蒸馏粗制环氧丙烷对乙醛具有化合物活性，对萃取蒸馏的溶剂混合物和底部产物进行氢化，通过加入酸进行蒸馏从氢化混合物中回收甲醇，并将回收的甲醇循环至环氧化反应，使用具有2至6个碳原子的二氨基烷烃碳原子作为反应性化合物减少了用甲醇循环到环氧化步骤的强碱性烷基胺的量。

8. 发明申请

WO2017089516A1 PROCESS FOR THE EPOXIDATION OF PROPENE 审中-公开
标题翻译：丙烯的环氧化方法
公开(公告)号：WO2017089516A1
公开(公告)日：2017-06-01
申请号：PCT/EP2016/078770
申请日：2016-11-25
申请人： EVONIK DEGUSSA GMBH , THYSSENKRUPP INDUSTRIAL SOLUTIONS AG
发明人： HOFEN, Willi , HAAS, Thomas , WÖLL, Wolfgang , KOLBE, Bärbel , DIETZ, Hans-Christian , BRENDEL, Marc , JAEGER, Bernd , BÄRZ, Manfred , KLEIBER, Michael
IPC分类号： C07D301/12 , C07D301/32
CPC分类号： C07D301/12 , C07D301/32
摘要： In a process for the epoxidation of propene, comprising the steps of reacting propene with hydrogen peroxide, separating propene oxide and a recovered propene stream from the reaction mixture, separating propane from all or a part of the recovered propene stream in a C3 splitter column, and passing the overhead product stream of the C3 splitter column to the epoxidation step, a propane starting material with a propane fraction of from 0.002 to 0.10 is used, the epoxidation is operated to provide a propane fraction in the reaction mixture of from 0.05 to 0.20 and the C3 splitter column is operated to provide an overhead product stream which comprises a propane fraction of at least 0.04 in order to reduce the size and the energy consumption of the C3 splitter column.
摘要翻译：在丙烯环氧化方法中，包括以下步骤：使丙烯与过氧化氢反应，从反应混合物中分离氧化丙烯和回收的丙烯流，从全部或部分回收的丙烷中分离丙烷丙烯流在C3分离塔中流动，并且使C3分离塔的塔顶产物流进入环氧化步骤，使用丙烷馏分为0.002-0.10的丙烷原料，操作环氧化以提供丙烷馏分在操作0.05至0.20的反应混合物和C3分离塔以提供包含至少0.04的丙烷馏分的塔顶产物料流，以便减小C3分离塔的尺寸和能量消耗。

9. 发明申请

WO2016173887A1 PROCESS FOR THE EPOXIDATION OF PROPENE 审中-公开
标题翻译：丙烯环氧化方法
公开(公告)号：WO2016173887A1
公开(公告)日：2016-11-03
申请号：PCT/EP2016/058638
申请日：2016-04-19
申请人： EVONIK DEGUSSA GMBH , THYSSENKRUPP INDUSTRIAL SOLUTIONS AG , JAHN, Robert , WÖLL, Wolfgang , JAEGER, Bernd , PASCALY, Matthias
发明人： JAHN, Robert , WÖLL, Wolfgang , JAEGER, Bernd , PASCALY, Matthias
IPC分类号： C07D303/04
CPC分类号： C07D301/12 , B01D3/34 , B01D3/4294 , B01D19/0409 , B01J29/89 , C07D301/36 , C07D303/04
摘要： In a process for the epoxidation of propene, comprising the steps: reacting propene with hydrogen peroxide in the presence of a titanium silicalite catalyst and a methanol solvent; separating non-reacted propene and propene oxide from the resulting reaction mixture to provide a solvent mixture comprising methanol and water in a combined amount of at least 90 % by weight; and feeding this solvent mixture as a feed stream to a continuously operated methanol distillation column at a feed point in the middle section of said column to provide an overhead product comprising at least 90 % by weight methanol and a bottoms product comprising at least 90 % by weight water; the addition of a liquid defoamer, having a solubility in the feed stream of less than 10 mg/kg at 25°C and a surface tension at the liquid air interface of less than 22 mN/m at 20 °C, at or above the feed point in an amount exceeding the solubility of the liquid defoamer in the feed stream suppresses foam formation in the methanol distillation column.
摘要翻译：在丙烯的环氧化方法中，包括以下步骤：在钛硅沸石催化剂和甲醇溶剂的存在下使丙烯与过氧化氢反应; 从所得反应混合物中分离未反应的丙烯和丙烯氧化物，以提供包含甲醇和水的溶剂混合物，其组合量为至少90重量％; 并将该溶剂混合物作为进料物流在所述塔的中间部分的进料点处连续操作的甲醇蒸馏塔，以提供包含至少90重量％甲醇的塔顶馏出物和包含至少90％重量水; 添加液体消泡剂，在25℃下在进料流中的溶解度小于10mg / kg，在20℃下在液态空气界面处的表面张力小于22mN / m，在等于或高于超过液体消泡剂在进料流中的溶解度的进料点抑制甲醇蒸馏塔中的泡沫形成。

10. 发明公开

EP3406603A1 PROCESS FOR THE EPOXIDATION OF PROPENE 审中-公开
公开(公告)号：EP3406603A1
公开(公告)日：2018-11-28
申请号：EP17172167.3
申请日：2017-05-22
申请人： Evonik Degussa GmbH , thyssenkrupp Industrial Solutions AG
发明人： SCHEMEL, Jürgen , DIETZ, Hans-Christian , HOFEN, Willi , HAAS, Thomas , WÖLL, Wolfgang , BRENDEL, Marc
IPC分类号： C07D301/12
CPC分类号： C07D301/12
摘要： In a process for the epoxidation of propene, comprising continuously reacting a propene feed with hydrogen peroxide in the presence of an epoxidation catalyst in a reaction step, using propene in excess to hydrogen peroxide, to provide a liquid reaction mixture comprising non-reacted propene, extra safety measures caused by the presence of oxygen during work-up of the liquid reaction mixture of the epoxidation reaction can be avoided by stripping liquid reaction mixture from step a) with an inert gas to provide an oxygen depleted stripped liquid reaction mixture and a strip gas stream, selecting the amount of inert gas to provide an oxygen concentration in the strip gas stream in the range of from 0.1 to 10 % by weight, separating non-reacted propene from the strip gas stream and recycling it to the reaction step, and separating propene oxide from the stripped liquid reaction mixture.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式