Abstract
Epoxidation of fatty acid methyl ester (FAME) is commercially adopting peracids process, which possesses low selectivity and serious pollution problems. Herein, spongy titanosilicate zeolite with high catalytic performance in epoxidation of fatty acid methyl ester (FAME) has been demonstrated. The zeolite is constructed by combining pore-extending and post-treatment processes, which features mesopores with a diameter of 3–5.5nm. Thus, in the epoxidation of FAME with tert-butyl hydroperoxide under 90°C, the spongy TS-1 zeolite exhibits >99% conversion within 3h, far higher than that of TS-1 (39%), with a high selectivity (>90%) of epoxy product as well.
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