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Chemcial Industry and Engineering 2006, Vol. 23 Issue (6) :471-474    DOI:
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Preparation of Methylal by Slurry Catalytic Distillation Process
SHAO Li,YANG Cai-juan,XU Chun-jian,ZHOU Ming(Chemical Engineering Research Institute,Tianjin University,Tianjin 300072,China)
(Chemical Engineering Research Institute,Tianjin University,Tianjin 300072,China

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Abstract The possibility of preparation of methylal from methanol and formaldehyde through slurry catalytic distillation catalyzed by acidic cation exchange resin with large size pores is discussed.The effects of catalyst concentration,feed composition,total feed and reflux ratio on the conversion ratio are analyzed by(experiment).The experimental results show that the conversion and the purity of methylal in the distillate can reach 0.89 and 0.99,respectively,and the slurry catalytic distillation process is practicable for preparing methylal.
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Received 2006-11-15; published 2006-11-15
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SHAO Li,YANG Cai-juan,XU Chun-jian,ZHOU Ming.Preparation of Methylal by Slurry Catalytic Distillation Process[J]  Chemcial Industry and Engineering, 2006,V23(6): 471-474
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