Title:
YOLK-SHELL SIO2-AL2O3 NOBLE METAL PROPANE DEHYDROGENATION CATALYST AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/218176
Kind Code:
A1
Abstract:
A yolk-shell SiO2-Al2O3 noble metal propane dehydrogenation catalyst and a preparation method therefor. The catalyst uses a solid SiO2-Al2O3 microsphere as a yolk and a porous SiO2-Al2O3 hollow sphere as a shell. The yolk and the shell layer are respectively loaded with effective catalytic active components having different functions. The obtained catalyst has a large specific surface area, which increases the activity and selectivity of the catalyst, reduces the carbon deposition rate, and improves single pass yield. In addition, the catalyst has high strength to avoid catalyst fragmentation caused by the generation of core coke, and effectively solves problems such as the blockage of inner and outer meshes of a reactor caused by catalyst fragmentation, and a short apparatus operation period.
Inventors:
TIAN JUNKAI (CN)
GAO JUN (CN)
YANG WEIDONG (CN)
FAN CHANGHAI (CN)
ZHOU YI (CN)
SHAN YINHAO (CN)
LU CHAOYANG (CN)
QI HU (CN)
KOU LIANG (CN)
GAO JUN (CN)
YANG WEIDONG (CN)
FAN CHANGHAI (CN)
ZHOU YI (CN)
SHAN YINHAO (CN)
LU CHAOYANG (CN)
QI HU (CN)
KOU LIANG (CN)
Application Number:
PCT/CN2020/135911
Publication Date:
November 04, 2021
Filing Date:
December 11, 2020
Export Citation:
Assignee:
ZHEJIANG SATELLITE ENERGY CO LTD (CN)
International Classes:
B01J23/89; B01J35/10; C07C5/333
Domestic Patent References:
| WO2017062226A1 | 2017-04-13 |
Foreign References:
| CN111437830A | 2020-07-24 | |||
| CN105772073A | 2016-07-20 | |||
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| CN111036198A | 2020-04-21 | |||
| CN110405200A | 2019-11-05 | |||
| CN109833901A | 2019-06-04 | |||
| CN108479782A | 2018-09-04 | |||
| CN110479369A | 2019-11-22 | |||
| US20120238442A1 | 2012-09-20 |
Attorney, Agent or Firm:
HANGZHOU WUZHOU PUHUA PATENT AGENCY FIRM (SPECIAL GENERAL PARTNERSHIP) (CN)
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