期刊
FUEL
卷 110, 期 -, 页码 32-39出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2012.10.040
关键词
Methyloleate; Functionalized olefins; Methyltrioxorhenium; ZnCl2-promoted mesoporous alumina; Self-metathesis
资金
- Natural Sciences and Engineering Research Council of Canada
- Canadian Foundation for Innovation (CFI)
Production of useful building block materials with high value-added from natural resources is becoming increasingly relevant due to depletion of fossil-derived feedstock. Metathesis of recycled vegetable oils with satisfactory activity is viewed as challenging but possible and attractive route for production of these building blocks. A novel rhenium based catalyst supported on mesoporous alumina modified by zinc chloride was developed, characterized and tested for metathesis of methyloleate, a model molecule for the triglycerides and oils. The catalyst showed a high activity and a good selectivity equivalent to that of homogeneous second generation Grubbs catalyst where a conversion of 92.0% after 30 min of reaction and a total metathesis product yield of 86.7% with 52% attributed to the desired metathesis products were attained. This paper highlighted also the effect of methyltrioxorhenium (MTO) loading on the metathesis activity where 3% MTO loading revealed to be optimum. (C) 2012 Elsevier Ltd. All rights reserved.
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