期刊
JOURNAL OF POROUS MATERIALS
卷 22, 期 5, 页码 1127-1136出版社
SPRINGER
DOI: 10.1007/s10934-015-9988-7
关键词
Activated carbons from biomass; Mesoporous silica KIT-6; Catalyst supports; Supported copper and cobalt species; Methanol decomposition
资金
- BAS
- National Scientific Fund of Ministry of Education and Science [DFNI 02/2/2014]
Activated carbons (AC) from various waste agriculture precursors with different texture and surface characteristics were obtained by different preparation procedures. These AC were used as a host matrix of mono- and bi-component copper and cobalt nanoparticles. The effect of carbon properties on the formation of copper/cobalt phases was studied by Boehm method, XRD, nitrogen physisorption, UV-Vis, FTIR, TPR-TG analysis and methanol decomposition as a catalytic test. The elucidation of activated carbons from waste biomass as catalyst support was based on the comparative study with similar materials supported on mesoporous silica KIT-6. It was demonstrated that contrary to KIT-6, the reduction properties of AC support hinders the formation of spinel CuCo2O4 phase in the bi-component materials, but provides formation of mixture of finely dispersed and highly active and selective in methanol decomposition Cu2O and CoO nanoparticles.
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