公开(公告)号：US20190092713A1

公开(公告)日：2019-03-28

申请号：US16082704

申请日：2017-10-17

申请人： LG CHEM, LTD.

发明人： Byung Yul CHOI ,  Hyun Jong SHIN ,  Junghoon CHANG ,  Young Hyun CHOE ,  Jun Seok KO ,  Sang Hun JEON

IPC分类号： C07C51/25 ,  C07C45/35 ,  B01J23/887 ,  B01J37/04 ,  B01J37/03 ,  B01J37/02 ,  B01J37/08

CPC分类号： C07C51/252 ,  B01J8/067 ,  B01J23/8876 ,  B01J37/0236 ,  B01J37/038 ,  B01J37/04 ,  B01J37/08 ,  B01J2208/00212 ,  B01J2208/00221 ,  B01J2208/00238 ,  B01J2208/0053 ,  B01J2208/00849 ,  B01J2208/021 ,  B01J2208/025 ,  B01J2208/065 ,  B01J2523/00 ,  C07C45/35 ,  C07C47/22 ,  C07C57/04 ,  B01J2523/13 ,  B01J2523/54 ,  B01J2523/68 ,  B01J2523/842 ,  B01J2523/845

摘要： The present invention relates to a method for producing unsaturated aldehydes and unsaturated carboxylic acids. According to the present invention, a method for producing unsaturated aldehydes and unsaturated carboxylic acids which can impart activity and control temperature independently in fixed catalyst layer zones in a shell-and-tube reactor, thereby exhibiting improved yield and operation stability, is provided.