Title: Transalkylation of methylnaphthanlene by the AlCl_3-immobiIized HY zeolite catalysts
Abstract: AlCl3 was successfully immobilized on HY zeolite to form a new selective catalyst by the liquid chemical deposit.The transalkylation ofβ-methylnaphthalen (β-MN) with 1 ,2,4,5-tetramethylbenzene(TMB) over HY and AlCl3 immobilized HY zeolite was studied. The results show that the transalkylation activity and the selectivity in the production of 2,6-/2,7-DMN increase with the increasing of the surface acidity and decreasing of the pore size of AlCl3 immobilized HY zeolite. The conversion of β-MN could reach to 46.4% , and the selectivity for 2,6-/2,7-DMN can reach up to 25.6% on the optimized condition of the reaction temperature at 400℃,with 6 h-1 of WHSV(weight hourly space velocity) ,and with 1:1 of β-MN/TMB mol ratio.
Publication Year: 2004
Publication Date: 2004-01-01
Language: en
Type: article
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