发明名称 PROCESS FOR CONTINUOUS RECOVERING (METH)ACRYLIC ACID AND APPARATUS FOR THE PROCESS
摘要 <p>The present invention relates to a method and apparatus for continuously recovering (meth) acrylic acid. According to the method of the present invention, a (meth) acrylic acid recovery rate, which is the same or higher than that of the prior method, can be obtained; the use amount of an extraction solvent and the amount of energy consumption can be substantially reduced; and (Meth) acrylate polymerization reaction can be minimized during a recovery process. Therefore, increased productivity and operational stability can be provided. The method includes the steps of: obtaining a (meth) acrylic acid solution and then supplying the obtained (meth) acrylic acid solution to an extraction tower (200); extracting (meth) acrylic acid by making the (meth) acrylic acid solution contact the extraction solvent in order to supply the obtained extraction phase to a water separation tower (300); and obtaining (meth) acrylic acid by distilling the extraction phase.</p>
申请公布号 KR20150011210(A) 申请公布日期 2015.01.30
申请号 KR20130086214 申请日期 2013.07.22
申请人 LG CHEM. LTD. 发明人 BAEK, SE WON;SONG, JONG HUN;YOO, SUL HEE
分类号 C07C51/44;B01J19/24;C07C57/04 主分类号 C07C51/44
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