TY - JOUR
T1 - Shape-selective methylation of 2-methylnaphthalene with methanol over hydrothermal treated HZSM-5 zeolite catalysts
AU - Zhao, Liang
AU - Wang, Hongbo
AU - Liu, Min
AU - Guo, Xinwen
AU - Wang, Xiangsheng
AU - Song, Chunshan
AU - Liu, Huimin
N1 - Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.
PY - 2008/11
Y1 - 2008/11
N2 - Shape-selective methylation of 2-methylnaphthalene (2-MN) was carried out over hydrothermally treated HZSM-5 (SiO2 / Al2 O3 = 83) zeolite catalysts under a fixed-bed down-flow reactor, methanol and 1,3,5-trimethylbenzene (TMB) were used as methylating agent and solvent, respectively. The results show that hydrothermal treatment improves the selectivity to 2,6-dimethylnaphthalene (2,6-DMN) and the stability. HZSM-5 catalyst hydrothermally treated at 550 °C followed by acid leaching exhibits 7.1% of 2,6-DMN yield after 5 h time on stream (TOS), and 13.4% of 2-MN conversion with the 2,6-/2,7-DMN ratio of 1.8 after 8 h of TOS.
AB - Shape-selective methylation of 2-methylnaphthalene (2-MN) was carried out over hydrothermally treated HZSM-5 (SiO2 / Al2 O3 = 83) zeolite catalysts under a fixed-bed down-flow reactor, methanol and 1,3,5-trimethylbenzene (TMB) were used as methylating agent and solvent, respectively. The results show that hydrothermal treatment improves the selectivity to 2,6-dimethylnaphthalene (2,6-DMN) and the stability. HZSM-5 catalyst hydrothermally treated at 550 °C followed by acid leaching exhibits 7.1% of 2,6-DMN yield after 5 h time on stream (TOS), and 13.4% of 2-MN conversion with the 2,6-/2,7-DMN ratio of 1.8 after 8 h of TOS.
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U2 - 10.1016/j.ces.2008.07.018
DO - 10.1016/j.ces.2008.07.018
M3 - Article
AN - SCOPUS:53149091609
SN - 0009-2509
VL - 63
SP - 5298
EP - 5303
JO - Chemical Engineering Science
JF - Chemical Engineering Science
IS - 21
ER -