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Alkali-exchanged zeolites (X, Y, L, and β) and alkali-impregnated mesoporous alumina were studied as catalysts for toluene alkylation with methanol. The effects of zeolite basicity, zeolite particle size, and pore dimensionality were examined. At 680–690 K and atmospheric pressure, highly basic, alkali-exchanged zeolites X and Y were active for toluene alkylation but primarily decomposed methanol...