Title:
METHOD FOR PREPARING α-AL2O3 CARRIER, CARRIER OBTAINED THEREBY, AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/114577
Kind Code:
A1
Abstract:
A method for preparing an α-Al2O3 carrier, comprising: a) kneading an aluminum source with an auxiliary and a binder; b) extruding the kneaded product into cylindrical strips; c) carrying out pelletization and rounding, to obtain balls; and d) carrying out drying and calcination, to obtain finished α-alumina balls, wherein the aluminum source comprises monohydrate diaspore and pseudoboehmite and optionally gibbsite. The α-alumina carrier obtained by this method has improved overall strength, and an obtained palladium catalyst has high activity and selectivity.
Inventors:
CHAI JIANYU (JP)
ZHAN HUADUAN (JP)
ZENG JIANREN (JP)
TAKA USHIO (JP)
ZHAN HUADUAN (JP)
ZENG JIANREN (JP)
TAKA USHIO (JP)
Application Number:
PCT/CN2018/119084
Publication Date:
June 20, 2019
Filing Date:
December 04, 2018
Export Citation:
Assignee:
HIGHCHEM TECH CO LTD (JP)
CHAI JIANYU (JP)
CHAI JIANYU (JP)
International Classes:
B01J32/00
Foreign References:
| CN105080618A | 2015-11-25 | |||
| CN106423152A | 2017-02-22 | |||
| CN102397795A | 2012-04-04 | |||
| CN103769233A | 2014-05-07 | |||
| JP2003047851A | 2003-02-18 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
Download PDF: