公开(公告)号：US08308913B2

公开(公告)日：2012-11-13

申请号：US12565359

申请日：2009-09-23

申请人： Seong Pil Kang ,  Seok Kwan Choi ,  Kyoung Su Ha ,  Jun Seok Ko ,  Boo Gon Woo ,  Young Bae Kim

发明人： Seong Pil Kang ,  Seok Kwan Choi ,  Kyoung Su Ha ,  Jun Seok Ko ,  Boo Gon Woo ,  Young Bae Kim

IPC分类号： B01D1/22 ,  B01D3/10 ,  B01D3/28 ,  C07C51/44

CPC分类号： C07C51/44 ,  B01J2219/00006 ,  C07C51/487 ,  C07C57/04

摘要： Disclosed is an apparatus for recovering an acrylic acid from a mixture containing acrylic acid, acrylic acid dimer and impurities with high boiling point, including: an acrylic acid recovering device that comprises an acrylic acid distillation unit being present within an acrylic acid dimer pyrolysis tank, and is operated under reduced pressure; a separation column for removing impurities with high boiling point from the mixture which is introduced into the acrylic acid recovering device; and a line for introducing the mixture into the acrylic acid recovering device.

摘要翻译： 公开了一种用于从含有丙烯酸，丙烯酸二聚体和高沸点杂质的混合物中回收丙烯酸的装置，包括：丙烯酸回收装置，其包含存在于丙烯酸二聚体热解罐内的丙烯酸蒸馏单元， 并在减压下运行; 用于从引入丙烯酸回收装置的混合物中除去高沸点杂质的分离塔; 以及用于将混合物引入丙烯酸回收装置的管线。

公开(公告)号：US08142742B2

公开(公告)日：2012-03-27

申请号：US12884950

申请日：2010-09-17

申请人： Boo Gon Woo ,  Jun Seok Ko ,  Kyoung Su Ha ,  Seong Pil Kang ,  Seok Hwan Choi ,  Young Bae Kim

发明人： Boo Gon Woo ,  Jun Seok Ko ,  Kyoung Su Ha ,  Seong Pil Kang ,  Seok Hwan Choi ,  Young Bae Kim

IPC分类号： B01J8/06 ,  C07C57/02

CPC分类号： B01J8/067 ,  B01J2208/00212 ,  B01J2208/025 ,  C07C51/215 ,  C07C51/252 ,  C07C57/04

摘要： Disclosed is a shell-and-tube heat exchanger type reactor that can be used for a process of producing unsaturated acids from olefins via fixed-bed catalytic partial oxidation, which comprises at least one reaction tube, each including at least one first-step catalyst layer, in which olefins are oxidized by a first-step catalyst to mainly produce unsaturated aldehydes, and at least two second-step catalyst layers, in which the unsaturated aldehydes are oxidized by a second-step catalyst to produce unsaturated acids, wherein a first catalyst layer of the second-step catalyst layers, disposed right adjacent to the first-step catalyst layer, has an activity corresponding to 5˜30% of the activity of the catalyst layer having a highest activity among the second-step catalyst layers. A method of producing unsaturated acids from olefins by using the reactor is also disclosed.

摘要翻译： 公开了一种壳管式热交换器型反应器，其可用于通过固定床催化部分氧化由烯烃生产不饱和酸的方法，其包括至少一个反应管，每个反应管包含至少一个第一步催化剂 层，其中烯烃被第一步催化剂氧化以主要产生不饱和醛，以及至少两个第二步催化剂层，其中不饱和醛被第二步催化剂氧化以产生不饱和酸，其中第一 与第一级催化剂层相邻设置的第二级催化剂层的催化剂层的活性相当于第二级催化剂层中活性最高的催化剂层的活性的5〜30％的活性。 还公开了通过使用反应器由烯烃生产不饱和酸的方法。

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：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：US07612231B2

公开(公告)日：2009-11-03

申请号：US11116367

申请日：2005-04-28

申请人： Seong Pil Kang ,  Seok Hwan Choi ,  Kyoung Su Ha ,  Jun Seok Ko ,  Boo Gon Woo ,  Young Bae Kim

发明人： Seong Pil Kang ,  Seok Hwan Choi ,  Kyoung Su Ha ,  Jun Seok Ko ,  Boo Gon Woo ,  Young Bae Kim

IPC分类号： C07C51/42

CPC分类号： C07C51/44 ,  B01J2219/00006 ,  C07C51/487 ,  C07C57/04

摘要： Disclosed is a simplified method for recovering acrylic acid from a mixture containing acrylic acid, acrylic acid dimer and impurities with high boiling point, in a stable and efficient manner. The method comprises the steps of: introducing the mixture into an acrylic acid recovering device comprising an acrylic distillation unit integrated with an acrylic acid dimer pyrolysis tank; carrying out decomposition of acrylic acid dimmer under reduced pressure and recovering acrylic acid. The method optionally further comprises a step of recycling a portion of the solution obtained from the bottom of the acrylic acid recovering device to the acrylic acid recovering device.

摘要翻译： 公开了一种以稳定且有效的方式从含有丙烯酸，丙烯酸二聚物和高沸点杂质的混合物中回收丙烯酸的简化方法。 该方法包括以下步骤：将混合物引入丙烯酸回收装置中，该装置包括与丙烯酸二聚物热解罐结合的丙烯酸蒸馏装置; 在减压下进行丙烯酸二聚体的分解并回收丙烯酸。 所述方法还包括将从丙烯酸回收装置的底部获得的溶液的一部分再循环到丙烯酸回收装置的步骤。

公开(公告)号：US07591585B2

公开(公告)日：2009-09-22

申请号：US11453117

申请日：2006-06-14

申请人： Kyoung Su Ha ,  Boo Gon Woo ,  Jun Seok Ko ,  Seong Pil Kang ,  Seok Hwan Choi ,  Sang Youn Lee ,  Young Bae Kim

发明人： Kyoung Su Ha ,  Boo Gon Woo ,  Jun Seok Ko ,  Seong Pil Kang ,  Seok Hwan Choi ,  Sang Youn Lee ,  Young Bae Kim

IPC分类号： G01K1/14 ,  G01K13/00 ,  G01K7/02

CPC分类号： G01K3/14 ,  G01K1/14 ,  G01K7/02

摘要： Disclosed is a temperature measuring device. The temperature measuring device includes: a thermo-well tube; and a cable or wire type temperature measuring means which is installed in a thermo-well tube, wherein temperature measuring means has temperature detecting sensors disposed at an intermediate portion thereof, and the temperature detecting sensors can be moved axially in the thermo-well tube by applying tension to both ends of the cable or wire type temperature measuring means. The present invention also provides a reaction tube in which the temperature measuring device is disposed axially, and a reactor including at least one temperature measuring device or reaction tube as described above.

摘要翻译： 公开了一种温度测量装置。 所述温度测量装置包括：热井管; 以及安装在热井管中的电缆或线型温度测量装置，其中温度测量装置具有设置在其中间部分的温度检测传感器，并且温度检测传感器可以在热井管中轴向移动， 对电缆或电线式温度测量装置的两端施加张力。 本发明还提供一种反应管，其中温度测量装置轴向设置，反应器包括如上所述的至少一个温度测量装置或反应管。

公开(公告)号：US07517147B2

公开(公告)日：2009-04-14

申请号：US11562706

申请日：2006-11-22

申请人： Sung Soo Park ,  Kyoung Su Ha ,  Jun Seok Ko ,  Seong Pil Kang ,  Se Won Baek ,  Eun Ju Kim

发明人： Sung Soo Park ,  Kyoung Su Ha ,  Jun Seok Ko ,  Seong Pil Kang ,  Se Won Baek ,  Eun Ju Kim

IPC分类号： G01K1/14

CPC分类号： G01K1/146 ,  B01J8/008 ,  B01J8/06 ,  B01J2208/00061 ,  B01J2219/00009 ,  B01J2219/00011 ,  G01K13/10

摘要： Disclosed is a structure for guiding the installation of a thermowell for temperature sensor, which is used to measure the axial temperature inside a fixed-bed catalyst reaction tube when it is filled with a catalyst, at a predetermined location in the reaction tube. In addition, a method for installing a thermowell for temperature sensor is provided. The method includes the steps of installing a structure for guiding the installation of a thermowell for temperature sensor in a reaction tube and fixing the thermowell for temperature sensor while filling the reaction tube with a catalyst.

摘要翻译： 公开了一种用于引导安装温度传感器的套管的结构，其用于在反应管中的预定位置处测量固定床催化剂反应管内的催化剂时的轴向温度。 另外，提供了一种用于安装温度传感器的热套管的方法。 该方法包括以下步骤：在用催化剂填充反应管的同时，安装用于将温度传感器的热套管安装在反应管中的结构，并固定温度传感器的热套管。

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：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：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。