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The transalkylation of toluene (T) with trimethylbenzenes (TMB) over SAPO-5 catalysts was investigated. These catalysts appear to be quite active for the studied reaction. It was found that the use of 1,2,4-TMB as alkylation agent gave the highest yield of xylenes. A strong competition between transalkylation, disproportionation and isomerization of aromatic hydrocarbons takes place according to...
The catalytic properties of Y zeolites, dealuminated by steam stabilization, for the transalkylation of toluene with trimethylbenzene were investigated in a pulse microreactor. Some factors influencing this reaction were taken into account: the reaction temperature, the degree of dealumination, the nature of acid sites and the deposited coke. The transalkylation reaction proceeds with good yields...
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