公开(公告)号：US20180273445A1

公开(公告)日：2018-09-27

申请号：US15760899

申请日：2016-12-07

Applicant: LG CHEM, LTD.

Inventor： Mi-Kyung KIM ,  Jae-Ik LEE ,  Jong-Ku LEE ,  Jeong-Seok LEE

IPC: C07C5/327 ,  C07C7/04 ,  B01J19/24

CPC classification number: C07C5/327 ,  B01J19/24 ,  B01J21/04 ,  B01J21/08 ,  B01J23/28 ,  B01J23/30 ,  B01J23/31 ,  B01J23/40 ,  B01J23/745 ,  B01J2219/00103 ,  B01J2219/24 ,  C07C5/333 ,  C07C7/005 ,  C07C7/04 ,  C07C7/09 ,  C07C2521/04 ,  C07C2521/08 ,  C07C2523/02 ,  C07C2523/06 ,  C07C2523/10 ,  C07C2523/16 ,  C07C2523/40 ,  C07C2523/70 ,  Y02P20/124 ,  Y02P20/51 ,  C07C15/46 ,  C07C15/44

Abstract: The present invention relates to energy saving method and apparatus for preparing styrene and alpha-methylstyrene concurrently, by which economic feasibility may be improved by reusing energy during preparing styrene and alpha-methylstyrene concurrently.