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Operating Conditions and Intrinsic Kinetics of Alkylation of Benzene with 1-Dodecene over Phosphorus Modified MCM-22 Catalyst

Author: LiJuan
Tutor: LiJianWei
School: Beijing University of Chemical Technology
Course: Chemical Engineering
Keywords: benzene dodecene alkylation MCM-22 zeolite kinetics
CLC: O643.1
Type: Master's thesis
Year: 2006
Downloads: 159
Quote: 0
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Abstract


The catalytic performance of eight zeolites （MCM-22, MCM-22（0.5%P）, MCM-22（1.5%P）, MCM-49, YSBH-1, YSBH-2, HY1 and HY2） for the alkylation of benzene with 1-dodecene was experimentally evaluated using a batch reactor under the following conditions: 50℃-70℃, benzene/dodecene molar ratio 8:1 and atmospheric pressure. The results showed that MCM-22（0.5%P） had the relatively best catalytic performance, the conversion of dodecene was 34% and the selectivity of 2-LAB was not less than 60%.The catalytic stability performance of four mesoporous zeolites （MCM-22, MCM-22（0.5%P）, MCM-22（1.5%P） and MCM-49） which were selected by the batch reactor was evaluated in an isothermal integral micro-reactor under the following conditions: benzene/dodecene molar ratio 8:1, catalyst of 0.5g（6080 mesh）, pressure of 2.0MPa, temperature of 140℃ and mass space velocity of 20h-1. The results showed that MCM-22（0.5%P） had the best catalytic stability performance, the conversion of dodecene in the

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CLC: > Mathematical sciences and chemical > Chemistry > Physical Chemistry ( theoretical chemistry ),chemical physics > Chemical kinetics,catalysis > Chemical kinetics
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