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

WO2012124956A3 METHOD AND APPARATUS FOR CONTINUOUSLY RECOVERING (METH)ACRYLIC ACIDS 审中-公开
标题翻译：连续回收（甲基）丙烯酸的方法和装置
公开(公告)号：WO2012124956A3
公开(公告)日：2012-12-27
申请号：PCT/KR2012001784
申请日：2012-03-12
申请人： LG CHEMICAL LTD , BAEK SE-WON , KIM HYUN-KYU , CHO DONG-HYUN , KO JUN-SEOK
发明人： BAEK SE-WON , KIM HYUN-KYU , CHO DONG-HYUN , KO JUN-SEOK
IPC分类号： C07C51/42 , B01J19/24 , C07B33/00 , C07C57/04
CPC分类号： C07C51/44 , B01D3/009 , C07C51/16 , C07C51/252 , C07C51/42 , C07C57/04
摘要： The present invention relates to a method for continuously recovering (meth)acrylic acids and to an apparatus used in the method. More particularly, the present invention relates to a method and apparatus for continuously recovering (meth)acrylic acids, wherein the method comprises the following steps: performing vapor phase oxidation on one or more compounds selected from a group consisting of propane, propylene, butane, i-butylene, t-butylene and (meth)acrolein in the presence of a catalyst so as to obtain a mixture gas containing (meth)acrylic acids; quenching the mixture gas containing the (meth)acylic acids so as to remove by-products having a high boiling point from said mixture gas containing the (meth)acrylic acids; contacting the mixture gas which contains the (meth)acrylic acids and from which the by-products having a high boiling point have been removed with water or an aqueous solution so as to obtain an aqueous solution containing (meth)acrylic acids; and refining the aqueous solution containing the (meth)acrylic acids so as to obtain (meth)acrylic acids. The method for continuously recovering (meth)acrylic acids according to the present invention may significantly reduce energy consumption, and thus may enable the continuous recovery of highly pure (meth)acrylic acids with superior production efficiency as compared to conventional recovery methods.
摘要翻译：本发明涉及连续回收（甲基）丙烯酸的方法和本方法中使用的装置。更具体地说，本发明涉及连续回收（甲基）丙烯酸的方法和装置，其中该方法包括以下步骤：对一种或多种选自丙烷，丙烯，丁烷，异丁烯，叔丁烯和（甲基）丙烯醛，以获得含有（甲基）丙烯酸的混合气体; 从包含（甲基）丙烯酸的混合气中淬灭含有（甲基）酰基酸的混合气体，以除去具有高沸点的副产物; 使含有（甲基）丙烯酸的混合气体与水或水溶液一起除去高沸点副产物的混合气体，以获得含有（甲基）丙烯酸的水溶液; 精制含有（甲基）丙烯酸的水溶液，得到（甲基）丙烯酸。根据本发明的连续回收（甲基）丙烯酸的方法可以显着降低能量消耗，因此与传统的回收方法相比，可以使生产效率高的高纯度（甲基）丙烯酸连续回收。

2. 发明申请

WO2012026661A1 METHOD OF PREPARING ALKYL (METH)ACRYLATE 审中-公开
标题翻译：制备丙烯酸（甲基）丙烯酸酯的方法
公开(公告)号：WO2012026661A1
公开(公告)日：2012-03-01
申请号：PCT/KR2011/002671
申请日：2011-04-14
申请人： LG CHEM, LTD. , KO, Jun-Seok , KIM, Hyun-Kyu , BAEK, Se-Won , CHO, Dong-Hyun
发明人： KO, Jun-Seok , KIM, Hyun-Kyu , BAEK, Se-Won , CHO, Dong-Hyun
IPC分类号： C07C67/08 , C07C67/54 , C07C69/54
CPC分类号： C07C67/08 , C07C67/54 , C07C69/54
摘要： The present invention relates to a method of preparing an alkyl (meth)acrylate, and more specifically to a method of preparing an alkyl (meth)acrylate which comprises the steps of: carrying out an esterification reaction with reactants comprising an alkanol and (meth)acrylic acid in the presence of an organic acid catalyst with a conversion rate of about 70% or more; supplying reaction products of the esterification reaction to a distillation tower equipped with a reboiler at the lower end to purify them; recovering a upper discharge comprising an alkyl (meth)acrylate and water at the upper part of the distillation tower and recovering a lower discharge comprising high boiling materials and water at the lower part of the distillation tower; separating the lower discharge of the distillation tower into a water layer and an organic layer; and recirculating the water layer separated from the lower discharge so as to be used in the esterification reaction, wherein each of the steps occurs continuously and the lower discharge of the distillation tower includes water in an amount of about 2-25% by weight with respect to the total weight of the lower discharge.
摘要翻译：本发明涉及一种（甲基）丙烯酸烷基酯的制备方法，更具体地说，涉及制备（甲基）丙烯酸烷基酯的方法，包括以下步骤：与包含链烷醇和（甲基）丙烯酸酯的反应物进行酯化反应，丙烯酸在有机酸催化剂存在下，转化率约70％以上; 将酯化反应的反应产物供给到在下端装备有再沸器的蒸馏塔以净化它们; 在蒸馏塔的上部回收包含（甲基）丙烯酸烷基酯和水的上部排出物，并在蒸馏塔的下部回收包含高沸点物质和水的低排出物; 将蒸馏塔的下部排出口分离成水层和有机层; 并且将从下部排出口分离的水层再循环以便用于酯化反应，其中每个步骤连续发生，并且蒸馏塔的较低排放量包括约2-25重量％的水，相对于到较低放电的总重量。

3. 发明申请

WO2010058983A3 METHOD FOR RECOVERING (METH)ACRYLIC ACID ESTER 审中-公开
标题翻译：回收（甲基）丙烯酸酯的方法
公开(公告)号：WO2010058983A3
公开(公告)日：2010-07-29
申请号：PCT/KR2009006835
申请日：2009-11-19
申请人： LG CHEMICAL LTD , BAEK SE-WON , KIM HYUN-KYU , KO JUN-SEOK , HA KYOUNG-SU , PARK SUNG-KYOO , WOO DONG-HYUN
发明人： BAEK SE-WON , KIM HYUN-KYU , KO JUN-SEOK , HA KYOUNG-SU , PARK SUNG-KYOO , WOO DONG-HYUN
IPC分类号： C07C69/54 , C07C67/48
CPC分类号： C07C67/10 , C07C67/60 , C07C69/54
摘要： The present invention provides a method for recovering (meth)acrylic acid ester, comprising the steps of: (a) obtaining a (meth)acrylic acid ester through a reaction between the ester of an alcohol and a (meth)acrylic acid in the presence of a catalyst, wherein by-products are produced together with the (meth)acrylic acid ester; and (b) obtaining (meth)acrylic acid, alcohol and (meth)acrylic acid ester as recovered materials by reacting the by-products produced in step (a) with a catalyst and water in a reaction vessel, wherein the content of the water supplied into the reaction vessel is more than 0 and less than 10 wt.% of the total weight of the reactants, which are the by-products, catalyst and water, and then recovering the (meth)acrylic acid, the alcohol and the (meth)acrylic acid ester contained in the by-products by isolation from the by-products.
摘要翻译：本发明提供一种回收（甲基）丙烯酸酯的方法，其包括以下步骤：（a）通过醇与（甲基）丙烯酸的酯反应得到（甲基）丙烯酸酯，在的催化剂，其中副产物与（甲基）丙烯酸酯一起制备; 和（b）通过在步骤（a）中制备的副产物与反应容器中的催化剂和水反应获得（甲基）丙烯酸，醇和（甲基）丙烯酸酯作为回收材料，其中水的含量供给到反应容器中的副产物，催化剂和水的反应物的总重量大于0且小于10重量％，然后回收（甲基）丙烯酸，醇和（甲基）丙烯酸酯包含在副产物中。

4. 发明申请

WO2009054688A3 METHOD FOR COLLECTING (METH)ACRYLIC ACID AND APPARATUS FOR COLLECTING (METH)ACRYLIC ACID 审中-公开
标题翻译：收集（甲基）丙烯酸的方法和用于收集（甲基）丙烯酸的装置
公开(公告)号：WO2009054688A3
公开(公告)日：2009-07-23
申请号：PCT/KR2008006279
申请日：2008-10-23
申请人： LG CHEMICAL LTD , BAEK SE-WON , HA KYOUNG-SU , PARK SUNG-KYOO , KO JUN-SEOK , WOO DONG-HYUN , KIM YOUNG-BAE , CHANG JUNG-HOON
发明人： BAEK SE-WON , HA KYOUNG-SU , PARK SUNG-KYOO , KO JUN-SEOK , WOO DONG-HYUN , KIM YOUNG-BAE , CHANG JUNG-HOON
IPC分类号： C07C57/07
CPC分类号： C07C51/42 , C07C57/04
摘要： The present invention provides a (meth)acrylic acid collecting method for collecting a (meth)acrylic acid from a mixed gas that includes an organic byproduct, a steam, and a (meth)acrylic acid that are generated in a production reaction of the (meth)acrylic acid, which includes the steps of a) contacting the mixed gas that includes the organic byproduct, the steam, and the (meth)acrylic acid with a (meth)acrylic acid absorption solvent to obtain a gas that includes the organic byproduct and the steam and the (meth)acrylic acid containing solution while the gas and the (meth)acrylic acid containing solution are separated from each other; b) contacting the gas that includes the organic byproduct and the steam that are obtained in the step a with the organic byproduct absorption solvent to obtain the gas that includes the steam and the organic byproduct containing solution while the gas and the organic byproduct containing solution are separated from each other; c) supplying the gas that includes the steam that is obtained in the step b into the production reaction of the (meth)acrylic acid; and d) obtaining the (meth)acrylic acid from the (meth)acrylic acid containing solution that is obtained in the step a while the (meth)acrylic acid and the (meth)acrylic acid containing solution are separated from each other, and a (meth)acrylic acid collecting device.
摘要翻译：本发明提供一种（甲基）丙烯酸回收方法，用于从包含有机副产物，水蒸汽和（甲基）丙烯酸的混合气体中回收（甲基）丙烯酸，其包括以下步骤：a）使包含有机副产物，蒸汽和（甲基）丙烯酸的混合气体与（甲基）丙烯酸吸收溶剂接触以获得包含有机副产物（甲基）丙烯酸的溶液，同时使气体和含（甲基）丙烯酸的溶液彼此分离; b）使包含有机副产物的气体和步骤a中获得的蒸汽与有机副产物吸收溶剂接触，以获得包含蒸汽和有机副产物包含溶液的气体，同时气体和有机副产物包含溶液是彼此分开; c）将包含步骤b中获得的蒸汽的气体供应到（甲基）丙烯酸的生产反应中; 和（d）从（甲基）丙烯酸和含（甲基）丙烯酸的溶液彼此分离的同时，从步骤a中获得的含（甲基）丙烯酸的溶液获得（甲基）丙烯酸，和（甲基）丙烯酸收集装置。

5. 发明申请

WO2009054688A2 METHOD FOR COLLECTING (METH)ACRYLIC ACID AND APPARATUS FOR COLLECTING (METH)ACRYLIC ACID 审中-公开
标题翻译：收集（甲基）丙烯酸的方法和收集（甲基）丙烯酸的装置
公开(公告)号：WO2009054688A2
公开(公告)日：2009-04-30
申请号：PCT/KR2008/006279
申请日：2008-10-23
申请人： LG CHEM, LTD. , BAEK, Se-Won , HA, Kyoung-Su , PARK, Sung-Kyoo , KO, Jun-Seok , WOO, Dong-Hyun , KIM, Young-Bae , CHANG, Jung-Hoon
发明人： BAEK, Se-Won , HA, Kyoung-Su , PARK, Sung-Kyoo , KO, Jun-Seok , WOO, Dong-Hyun , KIM, Young-Bae , CHANG, Jung-Hoon
IPC分类号： C07C57/07
CPC分类号： C07C51/42 , C07C57/04
摘要： The present invention provides a (meth)acrylic acid collecting method for collecting a (meth)acrylic acid from a mixed gas that includes an organic byproduct, a steam, and a (meth)acrylic acid that are generated in a production reaction of the (meth)acrylic acid, which includes the steps of a) contacting the mixed gas that includes the organic byproduct, the steam, and the (meth)acrylic acid with a (meth)acrylic acid absorption solvent to obtain a gas that includes the organic byproduct and the steam and the (meth)acrylic acid containing solution while the gas and the (meth)acrylic acid containing solution are separated from each other; b) contacting the gas that includes the organic byproduct and the steam that are obtained in the step a with the organic byproduct absorption solvent to obtain the gas that includes the steam and the organic byproduct containing solution while the gas and the organic byproduct containing solution are separated from each other; c) supplying the gas that includes the steam that is obtained in the step b into the production reaction of the (meth)acrylic acid; and d) obtaining the (meth)acrylic acid from the (meth)acrylic acid containing solution that is obtained in the step a while the (meth)acrylic acid and the (meth)acrylic acid containing solution are separated from each other, and a (meth)acrylic acid collecting device.
摘要翻译：本发明提供一种（甲基）丙烯酸收集方法，用于从包含有机副产物，蒸汽和（甲基）丙烯酸的混合气体中收集（甲基）丙烯酸，所述有机副产物，蒸汽和（甲基）丙烯酸在（甲基）丙烯酸，其包括以下步骤：a）使包含有机副产物，蒸汽和（甲基）丙烯酸的混合气体与（甲基）丙烯酸吸收溶剂接触以获得包含有机副产物的气体和蒸汽和（甲基）丙烯酸溶液，同时气体和（甲基）丙烯酸溶液彼此分离; b）将包含有机副产物的气体和步骤a中获得的蒸汽与有机副产物吸收溶剂接触，以获得包含蒸汽和含有机副产物的溶液的气体，同时气体和含有机副产物的溶液为相互分离 c）将包含步骤b中获得的蒸汽的气体供应到（甲基）丙烯酸的生产反应中; 和d）在（甲基）丙烯酸和（甲基）丙烯酸的溶液相互分离的同时，从步骤a得到的（甲基）丙烯酸溶液得到（甲基）丙烯酸，（甲基）丙烯酸收集装置。

6. 发明申请

WO2008120956A1 METHOD FOR PREPARING UNSATURATED ALDEHYDE AND/OR UNSATURATED FATTY ACID USING FIXED-BED CATALYTIC PARTIAL OXIDATION REACTOR 审中-公开
标题翻译：使用固定床催化部分氧化反应器制备不饱和醛和/或不饱和脂肪酸的方法
公开(公告)号：WO2008120956A1
公开(公告)日：2008-10-09
申请号：PCT/KR2008/001880
申请日：2008-04-03
申请人： LG CHEM, LTD. , KO, Jun-Seok , HA, Kyoung-Su , PARK, Sung-Kyoo , PARK, Sung-Soo , BAEK, Se-Won , WOO, Dong-Hyun , KIM, Seong-Jin
发明人： KO, Jun-Seok , HA, Kyoung-Su , PARK, Sung-Kyoo , PARK, Sung-Soo , BAEK, Se-Won , WOO, Dong-Hyun , KIM, Seong-Jin
IPC分类号： C07C51/21
CPC分类号： C07C45/35 , B01J8/067 , B01J2208/00221 , B01J2208/0053 , B01J2208/025 , C07C51/252 , C07C47/22 , C07C57/04
摘要： The present invention provides a method for preparing unsaturated aldehydes and/or unsaturated fatty acids from olefins using a fixed-bed catalytic partial oxidation reactor, in particular, a start-up method upon packing with catalysts and initiating the reaction, and a process for producing unsaturated aldehydes and/or unsaturated fatty acids with high yield.
摘要翻译：本发明提供一种使用固定床催化部分氧化反应器由烯烃制备不饱和醛和/或不饱和脂肪酸的方法，特别是在用催化剂填充并引发反应时的启动方法，以及制备不饱和醛和/或不饱和脂肪酸。

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