Chinese Journal of Catalysis

Chinese Journal of Catalysis ›› 2011, Vol. 32 ›› Issue (2): 333-339.DOI: 10.3724/SP.J.1088.2011.00820

• Research papers • Previous Articles     Next Articles

Reaction Dynamics Behavior of Epoxidation of Allyl Chloride with Hydrogen Peroxide Catalyzed by Ti-MWW

FANG Xiangqing,WANG Yuning, DENG Xiujuan, WU Haihong, WU Peng, LIU Yueming*, HE Mingyuan   

  1. Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, Shanghai 200062, China
  • Received:2010-08-16 Revised:2010-11-15 Online:2011-01-26 Published:2014-06-25

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Abstract: The reaction mechanism for epoxidation of allyl chloride (ALC) with H2O2 catalyzed by Ti-MWW was studied in detail. The results showed that the epoxidation of ALC is first order reaction with respect to the catalyst amount and is the reactions between zero and first order with respect to the substrate concentration and the oxidant concentration. For H2O2, the epoxidation is first order reaction when its concentration is lower than 0.67 mol/L and zero order when its concentration is higher than 2 mol/L. For ALC, only when its concentration is very high, the obvious decrease of the reaction order from 1 to 0 was observed. And the epoxidation reaction rate is an S-type curve when the Ti content in Ti-MWW increases.

Key words: Ti-MWW zeolite, allyl chloride, hydrogen peroxide, epoxidation, reaction mechanism, dynamics