公开(公告)号：US20110060158A1

公开(公告)日：2011-03-10

申请号：US12853430

申请日：2010-08-10

申请人： Hyun-Kyu Kim ,  Dong-Hyun Cho ,  Jun-Seok Ko ,  Kyong-Yong Cha ,  Se-Won Baek ,  Dong-Hyun Woo

发明人： Hyun-Kyu Kim ,  Dong-Hyun Cho ,  Jun-Seok Ko ,  Kyong-Yong Cha ,  Se-Won Baek ,  Dong-Hyun Woo

IPC分类号： C07C69/54

CPC分类号： C07C67/08 ,  C07C69/54

摘要： The present invention provides a method for preparing (meth)acrylate by esterification reaction of reactants containing (meth)acrylic acid and alcohol in the presence of a catalyst, the preparation method for (meth)acrylate is characterized in that a hydrazine compound or derivative thereof is put into an esterification reactor; and (meth)acrylate prepared by the same. The present invention effectively prevents impurities generated by aldehyde that is contained in the raw material (meth)acrylic acid from remaining in a production apparatus and the catalyst, so that the process for producing (meth)acrylate proceeds smoothly.

摘要翻译： 本发明提供一种通过在催化剂存在下含有（甲基）丙烯酸和醇的反应物的酯化反应制备（甲基）丙烯酸酯的方法，（甲基）丙烯酸酯的制备方法的特征在于肼化合物或其衍生物 放入酯化反应器中; 和（甲基）丙烯酸酯。 本发明有效地防止在（甲基）丙烯酸原料中含有的由醛生成的杂质残留在生产装置和催化剂中，使得（甲基）丙烯酸酯的制备方法顺利进行。

公开(公告)号：US20110230675A1

公开(公告)日：2011-09-22

申请号：US13055425

申请日：2009-11-19

申请人： Se-Won Baek ,  Hyun-kyu Kim ,  Jun-Seok Ko ,  Kyoung-Su Ha ,  Sung-Koo Park ,  Dong-Hyun Woo

发明人： Se-Won Baek ,  Hyun-kyu Kim ,  Jun-Seok Ko ,  Kyoung-Su Ha ,  Sung-Koo Park ,  Dong-Hyun Woo

IPC分类号： C07C67/60

CPC分类号： C07C67/10 ,  C07C67/60 ,  C07C69/54

摘要： The present invention provides a method of recovering a (meth)acrylic acid ester, which comprises the steps of: (a) carrying out an esterification reaction between an alcohol and (meth)acrylic acid in the presence of a catalyst to obtain a (meth)acrylic acid ester, wherein a byproduct is generated together with the (meth)acrylic acid ester; and (b) subjecting the byproduct generated in step (a) to a reaction with a catalyst and water in a reactor, wherein the water is fed into the reactor in order that water content exceeds 0 wt % but is 10 wt % or less in the reactor based on the total weight of reactants comprising the byproduct, the catalyst and the water, and thereby separating the (meth)acrylic acid, the alcohol and the (meth)acrylic acid ester contained in the byproduct from the byproduct to obtain the (meth)acrylic acid, the alcohol and the (meth)acrylic acid ester as a recovered product.

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）在催化剂存在下，在醇和（甲基）丙烯酸之间进行酯化反应，得到（甲基） ）丙烯酸酯，其中与（甲基）丙烯酸酯一起产生副产物; 和（b）使在步骤（a）中产生的副产物与反应器中的催化剂和水反应，其中将水进料到反应器中，以使水含量超过0重量％，但为10重量％以下 反应器基于包含副产物，催化剂和水的反应物的总重量，从而将副产物中所含的（甲基）丙烯酸，醇和（甲基）丙烯酸酯从副产物中分离出来，得到（ 甲基）丙烯酸，醇和（甲基）丙烯酸酯作为回收产物。

公开(公告)号：US20130317253A1

公开(公告)日：2013-11-28

申请号：US13953599

申请日：2013-07-29

申请人： Se-Won Baek ,  Hyun-Kyu Kim ,  Dong-Hyun Cho ,  Jun-Seok Ko

发明人： Se-Won Baek ,  Hyun-Kyu Kim ,  Dong-Hyun Cho ,  Jun-Seok Ko

IPC分类号： C07C51/42

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 and apparatus for continuous recovery of (meth)acrylic acid, and more specifically to a method of continuous recovery of (meth)acrylic acid, including: conducting gas phase oxidation of at least one compound selected from the group consisting of propane, propylene, butane, i-butylene, t-butylene, and (meth)acrolein in the presence of a catalyst to obtain a mixed gas containing (meth)acrylic acid; quenching the (meth)acrylic acid-containing mixed gas to remove high boiling point by-products in the (meth)acrylic acid-containing mixed gas; contacting the high boiling point by-product-free (meth)acrylic acid-containing mixed gas with water or an aqueous solution to obtain an aqueous solution containing (meth)acrylic acid; and purifying the aqueous solution containing (meth)acrylic acid to obtain (meth)acrylic acid.The continuous recovery method of (meth)acrylic acid according to the present invention may significantly reduce energy consumption and continuously recover high purity (meth)acrylic acid with excellent production efficiency compared to the previous recovery methods.

摘要翻译： 本发明涉及一种连续回收（甲基）丙烯酸的方法和装置，更具体地涉及一种连续回收（甲基）丙烯酸的方法，包括：进行至少一种选自以下的化合物的气相氧化： 在催化剂存在下由丙烷，丙烯，丁烷，异丁烯，叔丁烯和（甲基）丙烯醛组成，得到含（甲基）丙烯酸的混合气体; 淬灭含（甲基）丙烯酸的混合气体以除去含（甲基）丙烯酸的混合气体中的高沸点副产物; 使高沸点副产物（甲基）丙烯酸混合气体与水或水溶液接触，得到含有（甲基）丙烯酸的水溶液; 并纯化含有（甲基）丙烯酸的水溶液，得到（甲基）丙烯酸。 与先前的回收方法相比，本发明的（甲基）丙烯酸的连续回收方法可以显着降低能量消耗，并以优异的生产效率连续回收高纯度（甲基）丙烯酸。

公开(公告)号：US08703995B2

公开(公告)日：2014-04-22

申请号：US13702533

申请日：2011-04-14

申请人： Jun-Seok Ko ,  Hyun-Kyu Kim ,  Se-Won Baek ,  Dong-Hyun Cho

发明人： Jun-Seok Ko ,  Hyun-Kyu Kim ,  Se-Won Baek ,  Dong-Hyun Cho

IPC分类号： C07C67/48

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： 本发明涉及一种制备（甲基）丙烯酸烷基酯的方法，更具体地涉及一种（甲基）丙烯酸烷基酯的制备方法，该方法包括以下步骤：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。

公开(公告)号：US08716525B2

公开(公告)日：2014-05-06

申请号：US13953599

申请日：2013-07-29

申请人： Se-Won Baek ,  Hyun-Kyu Kim ,  Dong-Hyun Cho ,  Jun-Seok Ko

发明人： Se-Won Baek ,  Hyun-Kyu Kim ,  Dong-Hyun Cho ,  Jun-Seok Ko

IPC分类号： C07B33/00 ,  C07C51/42 ,  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 and apparatus for continuous recovery of (meth)acrylic acid, and more specifically to a method of continuous recovery of (meth)acrylic acid, including: conducting gas phase oxidation of at least one compound selected from the group consisting of propane, propylene, butane, i-butylene, t-butylene, and (meth)acrolein in the presence of a catalyst to obtain a mixed gas containing (meth)acrylic acid; quenching the (meth)acrylic acid-containing mixed gas to remove high boiling point by-products in the (meth)acrylic acid-containing mixed gas; contacting the high boiling point by-product-free (meth)acrylic acid-containing mixed gas with water or an aqueous solution to obtain an aqueous solution containing (meth)acrylic acid; and purifying the aqueous solution containing (meth)acrylic acid to obtain (meth)acrylic acid.The continuous recovery method of (meth)acrylic acid according to the presentA invention may significantly reduce energy consumption and continuously recover high purity (meth)acrylic acid with excellent production efficiency compared to the previous recovery methods.

摘要翻译： 本发明涉及一种连续回收（甲基）丙烯酸的方法和装置，更具体地涉及一种连续回收（甲基）丙烯酸的方法，包括：进行至少一种选自以下的化合物的气相氧化： 在催化剂存在下由丙烷，丙烯，丁烷，异丁烯，叔丁烯和（甲基）丙烯醛组成，得到含（甲基）丙烯酸的混合气体; 淬灭含（甲基）丙烯酸的混合气体以除去含（甲基）丙烯酸的混合气体中的高沸点副产物; 使高沸点副产物（甲基）丙烯酸混合气体与水或水溶液接触，得到含有（甲基）丙烯酸的水溶液; 并纯化含有（甲基）丙烯酸的水溶液，得到（甲基）丙烯酸。 根据本发明的（甲基）丙烯酸的连续回收方法可以与先前的回收方法相比，可以显着降低能量消耗，并以优异的生产效率连续回收高纯度（甲基）丙烯酸。

公开(公告)号：US20130085291A1

公开(公告)日：2013-04-04

申请号：US13702533

申请日：2011-04-14

申请人： Jun-Seok Ko ,  Hyun-Kyu Kim ,  Se-Won Baek ,  Dong-Hyun Cho

发明人： Jun-Seok Ko ,  Hyun-Kyu Kim ,  Se-Won Baek ,  Dong-Hyun Cho

IPC分类号： C07C67/08

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。

公开(公告)号：US08772534B2

公开(公告)日：2014-07-08

申请号：US13055425

申请日：2009-11-19

申请人： Se-Won Baek ,  Hyun-Kyu Kim ,  Jun-Seok Ko ,  Kyoung-Su Ha ,  Sung-Koo Park ,  Dong-Hyun Woo

发明人： Se-Won Baek ,  Hyun-Kyu Kim ,  Jun-Seok Ko ,  Kyoung-Su Ha ,  Sung-Koo Park ,  Dong-Hyun Woo

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 of recovering a (meth)acrylic acid ester, which comprises the steps of: (a) carrying out an esterification reaction between an alcohol and (meth)acrylic acid in the presence of a catalyst to obtain a (meth)acrylic acid ester, wherein a byproduct is generated together with the (meth)acrylic acid ester; and (b) subjecting the byproduct generated in step (a) to a reaction with a catalyst and water in a reactor, wherein the water is fed into the reactor in order that water content exceeds 0 wt % but is 10 wt % or less in the reactor based on the total weight of reactants comprising the byproduct, the catalyst and the water, and thereby separating the (meth)acrylic acid, the alcohol and the (meth)acrylic acid ester contained in the byproduct from the byproduct to obtain the (meth)acrylic acid, the alcohol and the (meth)acrylic acid ester as a recovered product.

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）在催化剂存在下，在醇和（甲基）丙烯酸之间进行酯化反应，得到（甲基） ）丙烯酸酯，其中与（甲基）丙烯酸酯一起产生副产物; 和（b）使在步骤（a）中产生的副产物与反应器中的催化剂和水反应，其中将水进料到反应器中，以使水含量超过0重量％，但为10重量％以下 反应器基于包含副产物，催化剂和水的反应物的总重量，从而将副产物中所含的（甲基）丙烯酸，醇和（甲基）丙烯酸酯从副产物中分离出来，得到（ 甲基）丙烯酸，醇和（甲基）丙烯酸酯作为回收产物。

公开(公告)号：US20100036157A1

公开(公告)日：2010-02-11

申请号：US12450572

申请日：2008-04-03

申请人： Jun-Seok Ko ,  Kyoung-Su Ha ,  Sung-Kyoo Park ,  Sung-Soo Park ,  Se-Won Baek ,  Dong-Hyun Woo ,  Seong-Jin Kim

发明人： Jun-Seok Ko ,  Kyoung-Su Ha ,  Sung-Kyoo Park ,  Sung-Soo Park ,  Se-Won Baek ,  Dong-Hyun Woo ,  Seong-Jin Kim

IPC分类号： C07C51/16 ,  C07C45/00

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。

公开(公告)号：US08246790B2

公开(公告)日：2012-08-21

申请号：US12739113

申请日：2008-10-23

申请人： Se-Won Baek ,  Kyoung-Su Ha ,  Sung-Kyoo Park ,  Jun-Seok Ko ,  Dong-Hyun Woo ,  Young-Bae Kim ,  Jung-Hoon Chang

发明人： Se-Won Baek ,  Kyoung-Su Ha ,  Sung-Kyoo Park ,  Jun-Seok Ko ,  Dong-Hyun Woo ,  Young-Bae Kim ,  Jung-Hoon Chang

IPC分类号： C07C51/42

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。

公开(公告)号：US08013185B2

公开(公告)日：2011-09-06

申请号：US12450572

申请日：2008-04-03

申请人： Jun-Seok Ko ,  Kyoung-Su Ha ,  Sung-Kyoo Park ,  Sung-Soo Park ,  Se-Won Baek ,  Dong-Hyun Woo ,  Seong-Jin Kim

发明人： Jun-Seok Ko ,  Kyoung-Su Ha ,  Sung-Kyoo Park ,  Sung-Soo Park ,  Se-Won Baek ,  Dong-Hyun Woo ,  Seong-Jin Kim

IPC分类号： C07C51/16

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。