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Preparation of supported metal oxide catalyst capable of improving pyrolysis gas products of bituminous coal and application thereof in the pyrogenation of bituminous coal

A technology for pyrolyzing gases and oxides, applied in physical/chemical process catalysts, chemical instruments and methods, chemical/physical processes, etc., can solve problems such as low yield, limited research, environmental problems and resource problems, and achieve The effect of high gas yield, simple preparation process and moderate pore volume

Inactive Publication Date: 2018-05-08
XIAN UNIV OF SCI & TECH
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Problems solved by technology

[0004] At present, most of the catalysts used in coal pyrolysis focus on increasing pyrolysis tar and semi-coke. There are not many studies on improving pyrolysis gas products. Most of the catalysts have low yields of pyrolysis gas products, especially combustible gas groups. Therefore, it is easy to cause environmental problems and resource problems in the clean transformation of coal

Method used

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  • Preparation of supported metal oxide catalyst capable of improving pyrolysis gas products of bituminous coal and application thereof in the pyrogenation of bituminous coal
  • Preparation of supported metal oxide catalyst capable of improving pyrolysis gas products of bituminous coal and application thereof in the pyrogenation of bituminous coal
  • Preparation of supported metal oxide catalyst capable of improving pyrolysis gas products of bituminous coal and application thereof in the pyrogenation of bituminous coal

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Embodiment Construction

[0025] The technical solution of the present invention will now be further described with reference to the accompanying drawings and experiments.

[0026] The preparation method of the supported metal oxide catalyst capable of improving the pyrolysis gas product of bituminous coal of the present invention is realized by the following steps:

[0027] (1) The Al 2 O 3 Put it in a vacuum drying box to remove moisture, grind and sieve;

[0028] (2) drying and sieving Al 2 O 3 The powder is placed in a muffle furnace and calcined for a certain period of time to remove Al 2 O 3 impurities that may be present in;

[0029] (3) According to the mass percentage of Al 2 O 3 Weigh the metal salt in a proportion of 5% of the powder mass, and dissolve it in ultrapure water until it is completely dissolved;

[0030] (4) Al calcined in step (2) 2 O 3 Add to the solution of step (3), slowly heat with magnetic stirring, evaporate the liquid to dryness, put the obtained solid into a v...

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Abstract

The invention belongs to the technical field of coal pyrolysis catalytic materials research, in particular relates to a preparation of a supported metal oxide catalyst capable of improving pyrolysis gas products of bituminous coal and application thereof in the pyrogenation of bituminous coal. By calcining and impregnation, the supported metal oxide catalyst capable of improving pyrolysis gas products of bituminous coal is prepared, the catalyst can have a synergy effect with the characteristics of bituminous coal, during the process of pyrolysis of bituminous coal, the catalyst is as a pyrolysis catalyst, the yield of pyrolysis gas products is increased, in particular, the yield of combustible gas in the gas products is increased significantly.

Description

technical field [0001] The invention belongs to the technical field of coal pyrolysis catalytic material research, and particularly relates to a preparation method and application of a supported metal oxide catalyst capable of improving bituminous coal pyrolysis gas products. Background technique [0002] An important way for the clean and efficient utilization of coal is to research and develop new coal pyrolysis processes and coal polygeneration production technology with coal pyrolysis as the core. Coal pyrolysis can produce high calorific value pyrolysis gas, pyrolysis tar and semicoke. , these products are important fuels and synthetic raw materials in the chemical industry. The fundamental method to realize the clean and efficient utilization of coal resources is to study the coal pyrolysis technology, which is also the key to solving the current resource and environmental problems in our country. my country's energy structure with abundant coal resources and relative...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J21/10B01J23/06B01J23/745B01J23/75B01J23/755C10B57/12
CPCC10B57/12B01J21/10B01J23/06B01J23/745B01J23/75B01J23/755B01J35/613B01J35/633B01J35/651B01J35/615
Inventor 蔡会武
Owner XIAN UNIV OF SCI & TECH
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