Carbonylation reactions |
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| Authors: | B K Nefedov N S Sergeeva T V Zueva E M Shutkina Ya T Eidus |
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| Institution: | (1) State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, 116023 Dalian, People’s Republic of China;(2) Graduate University of Chinese Academy of Sciences, 100049 Beijing, People’s Republic of China; |
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| Abstract: | | 1. |
Methanol, containing 10–20 mole % of CH3I, is carbonylated to methyl acetate in the presence of impregnated Eh-zeolite NaX catalyst at 230–250° and atmospheric pressure.
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The specific (per gram of Rh) rate of methyl acetate formation is antibatic to the Rh content in the catalyst, it increases with increase in the methanol contact time, and shows little change in the range 230–250°.
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The rate of forming the sole secondary product, namely dimethyl ether, decreases with increase in the amount of Rh and the methanol contact time.
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CH2I is an astoichiometric component of the reaction.
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