Nickel-based catalyst as well as preparation method and application thereof
The invention discloses a nickel-based catalyst as well as a preparation method and application thereof. The nickel-based catalyst has the following structural general formula: xNi.yCeAlO3.(100-x-y) Al2O3, wherein 1
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| creator | CHEN WEI LU YONG HE MINGYUAN SHENG WENQIAN |
| description | The invention discloses a nickel-based catalyst as well as a preparation method and application thereof. The nickel-based catalyst has the following structural general formula: xNi.yCeAlO3.(100-x-y) Al2O3, wherein 1 |
| format | Patent |
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The nickel-based catalyst has the following structural general formula: xNi.yCeAlO3.(100-x-y) Al2O3, wherein 1<=x<=20, 1<=y<=30. The catalyst is prepared by the following steps of: firstly, impregnating dried gamma-Al2O3 in a ceric salt solution at room temperature by using an incipient-wetness impregnation method, drying and roasting at the air atmosphere to obtain a modified carrier; then impregnating the modified carrier obtained at room temperature in a nickel salt solution by using the incipient-wetness impregnation method, drying and roasting at the air atmosphere to obtain a catalyst precursor; and finally, reducing the obtained catalyst precursor in hydrogen gas at 850-1050 DEGC. 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The nickel-based catalyst has the following structural general formula: xNi.yCeAlO3.(100-x-y) Al2O3, wherein 1<=x<=20, 1<=y<=30. The catalyst is prepared by the following steps of: firstly, impregnating dried gamma-Al2O3 in a ceric salt solution at room temperature by using an incipient-wetness impregnation method, drying and roasting at the air atmosphere to obtain a modified carrier; then impregnating the modified carrier obtained at room temperature in a nickel salt solution by using the incipient-wetness impregnation method, drying and roasting at the air atmosphere to obtain a catalyst precursor; and finally, reducing the obtained catalyst precursor in hydrogen gas at 850-1050 DEGC. 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The nickel-based catalyst has the following structural general formula: xNi.yCeAlO3.(100-x-y) Al2O3, wherein 1<=x<=20, 1<=y<=30. The catalyst is prepared by the following steps of: firstly, impregnating dried gamma-Al2O3 in a ceric salt solution at room temperature by using an incipient-wetness impregnation method, drying and roasting at the air atmosphere to obtain a modified carrier; then impregnating the modified carrier obtained at room temperature in a nickel salt solution by using the incipient-wetness impregnation method, drying and roasting at the air atmosphere to obtain a catalyst precursor; and finally, reducing the obtained catalyst precursor in hydrogen gas at 850-1050 DEGC. The catalyst provided by the invention has the advantages of strong coke resistance, good reaction stability and heat stability, high chemical and structural stability and the like and can be usedas the catalyst for prepar</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOUNDS THEREOF GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Nickel-based catalyst as well as preparation method and application thereof |
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