Abstract
The hydrogen and metal alkali forms of Y zeolite were tested in chlorination of CH2O with HCl. It has been found that over alkali metal and hydrogen forms the only chlorinated product was methyl chloride, whereas in the presence of NH4Y zeolite both methyl and methylene chlorides were formed. The conversion pathway of CH2O itself seems to play an important role in the chlorination reaction mechanism. Methanol or methoxy species and dimethoxymethane are suggested as possible intermediates in the formation of CH3Cl and CH2Cl2.
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Bresińska, I., Drago, R.S. Gas phase reaction of formaldehyde and hydrogen chloride in the presence of zeolite Y. Catal Lett 7, 403–408 (1990). https://doi.org/10.1007/BF00764931
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DOI: https://doi.org/10.1007/BF00764931