Experimental study reveals solid acid catalysts drive methanol carbonylation without halogen promoters under pressure, suggesting cleaner pathways for producing valuable acetyls.
Vapor phase carbonylation of methanol was catalyzed by strong solid acids in the absence of halogen promoter under pressurized conditions. Methyl acetate, methyl formate and acetic acid were obtained as carbonylated product with dimethyl ether as main by product. Hydrocarbons were also formed at high temperature.
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Fujimoto et al. (1984) studied this question.
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