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Vapour-phase O-methylation of catechol with methanol has been investigated over Ti-containing aluminium phosphate catalysts (denoted as Al 0.77 Ti x P, where x is between 0 and 1.15) prepared by non-uniform precipitation method. The catalytic activities increase with the increase of Ti/P ratio in the range 0–0.23, while further increase of Ti content leads to the decrease of activities...
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