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Catalytic Hydrolysis of Chloromethane

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Author(s): B. MICHALKIEWICZ | L. OPACZEWSKA

Journal: Petroleum and Coal
ISSN 1337-7027

Volume: 46;
Issue: 2;
Start page: 19;
Date: 2004;
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Keywords: methane | methanol | hydrolysis | chloromethane | catalyst | ZnO | Al2O3

ABSTRACT
The catalytic methyl in chloride hydrolysis process was investigated. ZnO and Al2O3 were used as catalysts. A maximum possible degree of methyl chloride conversion was attained (comparable with the one obtained as a result of thermodynamic calculations). At the initial stage of the catalysts’ performance ZnO is washed out (the lack of reflection from the zinc oxide phase on the produced catalyst diffractions after the hydrolysis; after about 3 hours of the process initiation, the degree of methyl chloride into methanol conversion is slightly reduced). The catalytic activity of the examined catalysts does not change in a given time (apart from the result mentioned above). The greatest capacity was achieved at the temperature 220 – 250oC. Above 320oC carbon dioxide can be observed in the products of the reaction (thus there is a decrease of the selectivity.
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