期刊
CHEMISTRY LETTERS
卷 51, 期 1, 页码 46-49出版社
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.210563
关键词
CHA-type metallosilicates; Oxidative conversion of methane; Supported nickel zeolite
资金
- Japan Science and Technology Agency (JST) CREST [JPMJCR16P3]
- Cooperative Research Program of Network Joint Research Center for Materials and Devices
Supported nickel CHA-type zeolites with different framework compositions were synthesized and the effect of heteroatoms in the framework on the state of the introduced Ni species was investigated. The use of aluminosilicate-type framework led to the formation of highly dispersed and nano-sized Ni species, resulting in the highest catalytic performance in the oxidative conversion of CH4.
Supported nickel CHA-type zeolites with different framework compositions including borosilicate, gallosilicate and aluminosilicate were synthesized. The effect of heteroatoms in the framework on the state of the Ni species introduced was investigated. The size and dispersibility of the Ni species differed greatly depending on the heteroatom in the zeolite framework, and the use of the aluminosilicate-type framework led to the formation of a highly dispersed and nano-sized Ni species. Thus, prepared Supported Ni CHA-type aluminosilicate exhibited the highest catalytic performance in oxidative conversion of CH4.
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