Title:
OPTIMIZED ACTIVATION METHOD FOR POLYOL HYDROGENOLYSIS CATALYST
Document Type and Number:
WIPO Patent Application WO/2021/000523
Kind Code:
A1
Abstract:
An optimized activation method for a polyol hydrogenolysis catalyst, mainly for solving the technical problem of low conversion rate of the raw material during a reaction process using a reduced catalyst and low selectivity of the target product because it is difficult to activate the active components of the catalyst during the catalyst reduction process for preparing 1,3-propanediol by means of hydrogenolysis of glycerol. The catalyst is composed of a carrier and active components A and B, the carrier being one of aluminum oxide, silicon oxide, zirconium oxide, titanium oxide, or H-ZSM-5 molecular sieve, the active component A being one of tungsten oxide, molybdenum oxide, and rhenium oxide, and the active component B being one of the noble metals, ruthenium, rhodium, palladium, iridium, and platinum. The use of the technical solution in which a mixture of hydrogen and nitrogen is used as the raw material, the raw material is in contact with the catalyst, and the high-valence metal elements in the catalyst are reduced to low-valence active metal elements or simple metal elements, so that the problem above is solved, glycerol can be hydrogenolyzed in high conversion rate and high selectivity under certain hydrogen pressure and temperature so as to produce 1,3-propanediol.
Inventors:
WANG AIQIN (CN)
LIU FEI (CN)
LEI NIAN (CN)
MIAO ZHILI (CN)
ZHANG TAO (CN)
LIU FEI (CN)
LEI NIAN (CN)
MIAO ZHILI (CN)
ZHANG TAO (CN)
Application Number:
PCT/CN2019/124730
Publication Date:
January 07, 2021
Filing Date:
December 12, 2019
Export Citation:
Assignee:
DALIAN INST CHEM & PHYSICS CAS (CN)
International Classes:
B01J23/656; C07C29/00; C07C31/20
Domestic Patent References:
| WO2017103009A2 | 2017-06-22 |
Foreign References:
| CN104672058A | 2015-06-03 | |||
| CN101407448A | 2009-04-15 | |||
| CN106883098A | 2017-06-23 | |||
| CN103524302A | 2014-01-22 | |||
| US20120172633A1 | 2012-07-05 |
Attorney, Agent or Firm:
SHENYANG PATENT & TRADEMARK AGENCY ACADEMIA SINICA (CN)
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