(19)
(11) EP 4 417 306 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
15.01.2025 Bulletin 2025/03

(43) Date of publication:
21.08.2024 Bulletin 2024/34

(21) Application number: 22880371.4

(22) Date of filing: 13.10.2022
(51) International Patent Classification (IPC): 
B01J 29/70(2006.01)
B01J 29/18(2006.01)
 B01J 29/08(2006.01)
C10G 25/03(2006.01)
(52) Cooperative Patent Classification (CPC):
Y02P 20/52; B01J 29/18; B01J 29/08; B01J 29/70; C07C 7/163; B01J 35/60; C10G 2300/1088; C10G 11/05
 
C-Sets:
C07C 7/163, C07C 15/067;
(86) International application number:
PCT/CN2022/125061
(87) International publication number:
WO 2023/061435 (20.04.2023 Gazette 2023/16)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 13.10.2021 CN 202111195240

(71) Applicants:
  • China Petroleum & Chemical Corporation
    Beijing 100728 (CN)
  • Shanghai Research Institute of Petrochemical Technology, SINOPEC
    Shanghai 201208 (CN)

(72) Inventors:
  • LI, Wei
    Shanghai 201208 (CN)
  • ZHOU, Yaxin
    Shanghai 201208 (CN)
  • WU, Lihin
    Shanghai 201208 (CN)
  • HOU, Min
    Shanghai 201208 (CN)

(74) Representative: karo IP 
Patentanwälte PartG mbB Steinstraße 16-18
40212 Düsseldorf
40212 Düsseldorf (DE)

   


(54) OLEFIN CONVERSION CATALYST, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF


(57) An olefin conversion catalyst and its preparation method and application are disclosed. The catalyst comprises the following components, in parts by mass: a) 50-90 parts of a molecular sieve with a structure of twelve-membered ring and above; b) calculated as oxide, 0.1-10 parts of an added component selected from Group IA metal elements, Group IIA metal elements, or a combination thereof; c) calculated as oxide, 0.1-10 parts of a modifying component selected from silicon, germanium, bismuth, tin, boron, gallium or a combination thereof; and d) 10-49 parts of a support component. When the catalyst is used to convert a small amount of olefins in an aromatic distillate oil, it has the characteristics of high activity and stability, long life and effective utilization of olefins.