公开(公告)号：US20250074859A1

公开(公告)日：2025-03-06

申请号：US18292365

申请日：2022-07-19

Applicant: BASF SE

Inventor： Tile GIESHOFF ,  Marvin KRAMP ,  Cornelis Hendricus DE RUITER ,  Karl-Friedrich SCHNEIDER ,  Felix HUELSMANN ,  Christian REIN ,  David ELIXMANN

IPC: C07C67/54

Abstract: A process for continuously distiling acrylates by means of a rectification column, wherein the acrylate content in the feed to the rectification column is at least 80% by weight, the liquid in the bottom region of the rectification column is heated by means of an evaporator, and the parts of the evaporator that are in contact with product are made from stainless steel.