公开(公告)号：US20160332152A1

公开(公告)日：2016-11-17

申请号：US14907714

申请日：2014-07-16

Applicant: BASF SE ,  DOW GLOBAL TECHNOLOGIES LLC

Inventor： Andrei-Nicolae PARVULESCU ,  Ulrich MUELLER ,  Joaquim Henrique TELES ,  Bianca SEELIG ,  Philip KAMPE ,  Markus WEBER ,  Peter RESCH ,  Christian BARTOSCH ,  Dominic RIEDEL ,  Daniel URBANCZYK ,  Alexander SCHROEDER ,  Ulrike WEGERLE

IPC: B01J29/90 ,  B01J37/02 ,  B01J37/00 ,  C07D301/12 ,  B01J37/30 ,  B01J38/48 ,  B01J38/06 ,  B01J38/02 ,  B01J29/70 ,  B01J37/08

CPC classification number: B01J29/90 ,  B01J29/7088 ,  B01J29/89 ,  B01J35/00 ,  B01J37/0009 ,  B01J37/0045 ,  B01J37/0201 ,  B01J37/0203 ,  B01J37/06 ,  B01J37/08 ,  B01J37/10 ,  B01J37/30 ,  B01J38/02 ,  B01J38/06 ,  B01J38/48 ,  B01J2229/183 ,  B01J2229/186 ,  B01J2229/42 ,  C07D301/12 ,  C07D303/04 ,  Y02P20/584

Abstract: The present invention relates to a process for the regeneration of a catalyst comprising a titanium-containing zeolite, said catalyst having been used in a process for the preparation of an olefin oxide and having phosphate deposited thereon, said process for the regeneration comprising the steps: (a) separating the reaction mixture from the catalyst, (b) washing the catalyst obtained from (a) with liquid aqueous system; (c) optionally drying the catalyst obtained from (b) in a gas stream comprising an inert gas at a temperature of less than 300° C.; (d) calcining the catalyst obtained from (c) in a gas stream comprising oxygen at a temperature of at least 300° C.

Abstract translation: 本发明涉及一种用于再生包含含钛沸石的催化剂的方法，所述催化剂已用于制备烯烃氧化物并沉积有磷酸盐的方法中，所述再生方法包括以下步骤： （a）将反应混合物与催化剂分离，（b）用液体水系洗涤由（a）获得的催化剂; （c）任选地在低于300℃的温度下将包含惰性气体的气流中的（b）得到的催化剂干燥; （d）在至少300℃的温度下，将由（c）得到的催化剂在包含氧的气​​流中煅烧