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Citation: Jiang Hui-Jun, Yang Chun, Meng Zhong-Yue. Study on Ni-supported Bifunctional Basic Zeolite Catalyst[J]. Acta Physico-Chimica Sinica, ;2000, 16(04): 331-337. doi: 10.3866/PKU.WHXB20000408 shu

Study on Ni-supported Bifunctional Basic Zeolite Catalyst

1.
Department of Chemistry,Nanjing Normal University,Nanjing 210097

Received Date: 9 August 1999
Available Online: 15 April 2000

Ni-K/NaX catalysts were prepared by impregnating NaX with KOH and Ni(NO3)2 solution. The reducibility and the state of Ni species and the basicity of the samples were characterized by XRD、TPR、CO2-TPD and XPS techniques. It is shown that there is an interaction between metallic species and NaX, as well as KOH, which results in the easy reduction of Ni2+and the decrease in basicity of the sample. In the reaction of condensation of acetone to methyl isobutyl ketone(MIBK), the reason why a suitable balance between basicity and metallicity of catalysts is necessary for selective MIBK production has been revealed.
- NaX zoelites,
- Ni,
- KOH,
- Basicity,
- Reducibility,
- Interaction
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