Control of temperature exotherms in the conversion of methanol t

Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By ring formation from nonring moiety – e.g. – aromatization,...

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208DIG1, 422105, 422110, 422194, 422198, 422207, 422211, 585401, 585469, 585640, 585501, 585733, C07C 120

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045447810

ABSTRACT:
A reactor bed, particularly one designed for converting alcohols to gasoline, is provided with a section downstream of the catalyst bed filled with high heat capacity thermal absorptive material. When the circulation of recycled gas to the system is temporarily suspended automatic valves terminate the injection of alcohol feedstock and begin the injection of inert gases such as methane into the system, thereby avoiding the formation of a hot spot which would subsequently damage the catalyst and equipment downstream.

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