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    • 1. 发明申请
    • METHOD FOR COLLECTING (METH)ACRYLIC ACID AND APPARATUS FOR COLLECTING (METH)ACRYLIC ACID
    • 收集(甲基)丙烯酸的方法和用于收集(甲基)丙烯酸的装置
    • WO2009054688A3
    • 2009-07-23
    • PCT/KR2008006279
    • 2008-10-23
    • LG CHEMICAL LTDBAEK SE-WONHA KYOUNG-SUPARK SUNG-KYOOKO JUN-SEOKWOO DONG-HYUNKIM YOUNG-BAECHANG JUNG-HOON
    • BAEK SE-WONHA KYOUNG-SUPARK SUNG-KYOOKO JUN-SEOKWOO DONG-HYUNKIM YOUNG-BAECHANG JUNG-HOON
    • C07C57/07
    • C07C51/42C07C57/04
    • 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.
    • 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。
    • 2. 发明申请
    • METHOD FOR COLLECTING (METH)ACRYLIC ACID AND APPARATUS FOR COLLECTING (METH)ACRYLIC ACID
    • 收集(甲基)丙烯酸的方法和收集(甲基)丙烯酸的装置
    • WO2009054688A2
    • 2009-04-30
    • PCT/KR2008/006279
    • 2008-10-23
    • LG CHEM, LTD.BAEK, Se-WonHA, Kyoung-SuPARK, Sung-KyooKO, Jun-SeokWOO, Dong-HyunKIM, Young-BaeCHANG, Jung-Hoon
    • BAEK, Se-WonHA, Kyoung-SuPARK, Sung-KyooKO, Jun-SeokWOO, Dong-HyunKIM, Young-BaeCHANG, Jung-Hoon
    • C07C57/07
    • C07C51/42C07C57/04
    • 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.
    • 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。