公开(公告)号：US20170166499A1

公开(公告)日：2017-06-15

申请号：US15118357

申请日：2015-02-11

Applicant: INEOS STYROLUTION GROUP GMBH

Inventor： Michael L. MILLER ,  Timothy A. BROWN ,  Clay SHAFER

IPC: C07C5/333 ,  B01J19/24

CPC classification number: C07C5/3332 ,  B01J19/24 ,  B01J2208/00637 ,  B01J2208/00646 ,  B01J2208/00716 ,  B01J2219/00027 ,  B01J2219/24 ,  C07C5/42 ,  C07C2523/04 ,  C07C2523/745 ,  C07C2523/78 ,  C07C15/46

Abstract: The invention relates to a method for operating a dehydrogenation reactor for the dehydrogenation of hydrocarbons is provided wherein the dehydrogenation reactor comprises a potassium promoted iron oxide catalyst, the hydrocarbons being dehydrogenated in contact with the catalyst and carbon dioxide is introduced during a) start-up of the reactor, b) shut-down of the reactor, and c) steaming procedures, wherein the carbon dioxide is introduced in conjunction with steam in at least one method step.