期刊
CATALYSIS COMMUNICATIONS
卷 10, 期 14, 页码 1936-1939出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2009.07.004
关键词
Ethylene; Ethylene glycol; Ethylene glycol mono-methyl ether; Epoxidation; Bifunctional; Al-TS-1
Ethylene glycol (EG) and its mono-methyl ether (MME) were synthesized directly from ethylene and hydrogen peroxide under mild conditions using Al-TS-1 as the bifunctional catalyst. The progressive incorporation of Al into the framework increased the catalytic capacity of Al-TS-1 until a maximum was reached (SiO2/Al2O3 molar ratio: 504), whereas further Al incorporation decreased the catalytic activity to even lower values than in TS-1. Under the optimum conditions, the conversion and utilization of H2O2 reached 95% and 90%, respectively, while the total concentration of EG and MME reached to above 10 wt%. (C) 2009 Elsevier B.V. All rights reserved.
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