Abstract

Epoxidation of allyl chloride catalyzed by silica-based HTMS-3A was studied in chemical engineering. Under the selected conditions,the conversion of allyl chloride reached 65.6%,the yield and selectivity of epichlorohydrin were 63.9% and 97.6%,the yield of glycerol and heavier by-products were1.5% and 0.2% respectively. The stability of silica-based HTMS-3A in epoxidation of allyl chloride was studied: the conversion of allyl chloride decreased from 65.6% to 58.9%.The activity of the deactivated catalyst may be recovered by washing with hot acetone,or by calcinations

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