The effect of aluminum addition on the properties of lanthanum oxide was investigated in order to find new supports for catalytic purposes. Pure lanthanum oxide and aluminum-loaded lanthanum oxide were prepared by precipitation techniques and impregnation with nickel salt. The supports and the catal
Effect of the support on the reducibility of high-loaded nickel catalysts
β Scribed by Olga Solcova; Doris-Christiane Uecker; Ursula Steinike; Kveta Jiratova
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 446 KB
- Volume
- 94
- Category
- Article
- ISSN
- 0926-860X
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## Abstract Nickel catalysts supported on rice husk ashβalumina (Ni/RHAβAl~2~O~3~) were prepared by an incipient wetness impregnation method. Characterization included TGA, DSC, TPR, XRD, and BET. Results show that the decomposition of the nickel compound to nickel oxide was complete above 500 Β°C.
Ni 2 P and Ni 12 P 5 containing catalysts were prepared by impregnation of the oxidic precursors on a SBA-15 mesoporous silica or on a CMK-5 nanoporous carbon. Three different kinds of precursors (calcined SBA, not calcined SBA and CMK) were reduced in hydrogen gas stream. X-ray diffraction (XRD) an