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HMCM-49/Hβ分子筛催化剂用于多异丙苯与苯烷基转移研究

Petrochemical Industry Technology(2012)

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Abstract
用小型固定床反应器进行多异丙苯与苯烷基转移催化反应研究,研究了不同催化剂对烷基转移反应的影响,并进行X光衍射、NH3-程序升温吸附脱附、比表面积和孔径表征。结果表明:HMCM-49/Hβ分子筛催化剂用于多异丙苯与苯烷基转移较为适宜。考察了温度和原料对多异丙苯烷基转移的影响,筛选出的HMCM-49/Hβ分子筛催化剂,在190~200℃,总液体空速为1.4~1.6 h-1条件下,二异丙苯转化率达到50%,三异丙苯转化率达到40%。
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Key words
transalkylation,HMCM-49/Hβ molecular sieve,characterization
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