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丙烯环氧化钛硅分子筛催化剂原位再生研究

Date of Publication:2012-10-15 Hits:

Indexed by:会议论文
Date of Publication:2012-10-15
Page Number:1-2
Key Words:原位再生;钛硅分子筛;丙烯环氧化
Abstract:　　采用稀H2O2 原位再生法对运转1500h 失活TS-1 进行再生,考察了再生时间和稀H2O2 溶液浓度对再生的影响,采用TG-DTG 对催化剂再生前后失重情况进行表征.当再生温度为80 ℃,稀H2O2 溶液浓度为1.5wt.％时,再生24h 催化剂恢复活性,在小型固定床上运转100h,H2O2转化率达97.9％,PO 选择性达96.7％.

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丙烯环氧化钛硅分子筛催化剂原位再生研究