公开(公告)号：US20230174449A1

公开(公告)日：2023-06-08

申请号：US17922984

申请日：2021-05-11

Applicant: Arkema France

Inventor： Michel FAUCONET ,  Frederic SANDRE

IPC: C07C51/377 ,  C07C51/487 ,  C07C67/54 ,  C07C67/60 ,  C07C51/44 ,  C07C67/327

CPC classification number: C07C51/377 ,  C07C51/487 ,  C07C67/54 ,  C07C67/60 ,  C07C51/44 ,  C07C67/327

Abstract: The present invention relates to an improved process for the regeneration, by thermal cracking, of a mixture of heavy byproducts (residues) resulting from a unit for the production of acrylic acid and from a unit for the production of acrylic ester, resulting in acrylic acid, acrylic esters and alcohols being obtained, for the purpose of recycling them in the plant for the production of the acrylic ester.