期刊
KINETICS AND CATALYSIS
卷 51, 期 2, 页码 250-254出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0023158410020138
关键词
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资金
- National Natural Science Foundation of China [20606022]
- National Basic Research Program of China [2005 CB221204]
- Natural Science Foundation for Young Scientists of Shanxi Province, China [20051008]
The synthesis of dimethyl carbonate by oxidative carbonylation of methanol over CuCl/SiO(2)-TiO(2) catalysts has been investigated in a slurry reaction system. The gamma-Cu(2)(OH)(3)Cl crystals were detected by X-ray diffraction on the catalysts after reaction. It was revealed that gamma-Cu(2)(OH)(3)Cl was formed by CuCl reacting with O(2) and by-product water. The catalytic tests showed that gamma-Cu(2)(OH)(3)Cl was largely inactive for this reaction, may be attributed to its high stability that resisted the Cu(+)/Cu(2+) redox cycle.
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