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The effect of CH 3 I on the formaldehyde synthesis from methanol over a polycrystalline silver catalyst was investigated at temperatures up to 993K. While the conversion of both CH 3 OH and O 2 were reduced, the selectivity to HCHO increased and to CO 2 decreased after treating the Ag catalyst with CH 3 I. A notable observation drawn from a long-time operation...
The formaldehyde synthesis from methanol was investigated over a polycrystalline silver catalyst at temperatures up to 993K. Water was added to the feed (water ballast process) like in the commercial BASF process. The conversion of methanol and the selectivity to formaldehyde appeared to increase with respect to the methanol ballast process with no added water. A long-time experiment was carried out...
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