Ni-Fe binary metal coal catalytic gasification catalyst as well as preparation method and application thereof
The invention discloses a Ni-Fe binary metal coal catalytic gasification catalyst and a preparation method and application thereof, and belongs to the field of coal gasification. The invention aims to solve the technical problem that the activity of the Ni catalyst is greatly reduced because the Ni...
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| creator | LIU HUI WU CHENYAO LIU JING LI RUIZHI ZOU YILE |
| description | The invention discloses a Ni-Fe binary metal coal catalytic gasification catalyst and a preparation method and application thereof, and belongs to the field of coal gasification. The invention aims to solve the technical problem that the activity of the Ni catalyst is greatly reduced because the Ni catalyst is easy to sinter and sulfur poisoning under a high-temperature condition. In the catalyst, Ni and Fe are anchored on the HZSM5 molecular sieve in a physical adsorption manner and are highly dispersed on the surface of the HZSM5 molecular sieve, and the catalyst is prepared by adopting an excessive impregnation method and roasting. According to the method, the transverse etching characteristic of Ni and the vertical etching characteristic of Fe are coupled, the coal gasification etching process of the catalyst is enhanced in the space direction, the carbon conversion rate is greatly increased, and an optimization thought is provided for design of the coal catalytic gasification catalyst. Compared with an e |
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The invention aims to solve the technical problem that the activity of the Ni catalyst is greatly reduced because the Ni catalyst is easy to sinter and sulfur poisoning under a high-temperature condition. In the catalyst, Ni and Fe are anchored on the HZSM5 molecular sieve in a physical adsorption manner and are highly dispersed on the surface of the HZSM5 molecular sieve, and the catalyst is prepared by adopting an excessive impregnation method and roasting. According to the method, the transverse etching characteristic of Ni and the vertical etching characteristic of Fe are coupled, the coal gasification etching process of the catalyst is enhanced in the space direction, the carbon conversion rate is greatly increased, and an optimization thought is provided for design of the coal catalytic gasification catalyst. 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The invention aims to solve the technical problem that the activity of the Ni catalyst is greatly reduced because the Ni catalyst is easy to sinter and sulfur poisoning under a high-temperature condition. In the catalyst, Ni and Fe are anchored on the HZSM5 molecular sieve in a physical adsorption manner and are highly dispersed on the surface of the HZSM5 molecular sieve, and the catalyst is prepared by adopting an excessive impregnation method and roasting. According to the method, the transverse etching characteristic of Ni and the vertical etching characteristic of Fe are coupled, the coal gasification etching process of the catalyst is enhanced in the space direction, the carbon conversion rate is greatly increased, and an optimization thought is provided for design of the coal catalytic gasification catalyst. Compared with an e</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CARBURETTING AIR OR OTHER GASES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY FUELS LUBRICANTS METALLURGY PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Ni-Fe binary metal coal catalytic gasification catalyst as well as preparation method and application thereof |
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