Precious metal loaded three-dimensional mesoporous silico-aluminate catalyst and preparation method thereof
A three-dimensional mesoporous aluminosilicate and precious metal salt technology, applied in metal/metal oxide/metal hydroxide catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problem of poor catalyst pore structure, The post-treatment process is complicated and tedious, and the loading of active components is not uniform, so as to improve the flow diffusion performance, improve the flow diffusion and increase the catalytic performance.
Inactive Publication Date: 2017-08-25
WUHAN UNIV OF TECH
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Abstract
The invention discloses a preparation method for a precious metal loaded three-dimensional mesoporous silico-aluminate catalyst. The method comprises the following steps: with a saturated butanol aqueous solution as a reaction medium, adding a defined amount of silicon source into a reaction process; regulating a reaction system, thereby compounding a three-dimensional mesoporous silico-aluminate carrier material; performing precious metal loading, thereby preparing the precious metal loaded silico-aluminate catalyst with a three-dimensional netted mesoporous structure. The catalyst prepared according to the invention has a three-dimensional mesoporous structure; a mesopore is assembled by nanometer silico-aluminate bars; the catalyst wholly has excellent pore connectivity, high specific surface area and high pore volume; the loaded precious metal active components are uniformly distributed on the catalyst carrier; the compounding condition is mild; the reaction is easily controlled; the catalyst has excellent application prospect in the petrochemical engineering field, the catalyst field and especially the field of deoxidation hydrogenation of biomass diesel oil and utilization of biomass diesel oil by-products and is suitable for industrial popularization.
Application Domain
Metal/metal-oxides/metal-hydroxide catalysts
Technology Topic
ChemistryBiomass +15
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PUM
Property | Measurement | Unit |
Mesopore size | 2.0 ~ 50.0 | nm |
Average pore size | 3.53 | nm |
Total specific surface area | 463.75 | m²/g |
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