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化学工业与工程 2006, Vol. 23 Issue (6) :471-474    DOI:
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浆料催化精馏制备甲缩醛
邵利;杨彩娟;许春建;周明;
天津大学化学工程研究所,天津大学化学工程研究所,天津大学化学工程研究所,天津大学化学工程研究所 天津300072,天津300072,天津300072,天津300072
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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摘要 研究了以甲醇和甲醛为原料,以大孔径强酸性阳离子交换树脂为催化剂,通过浆料催化精馏工艺制备甲缩醛的可行性。考察了催化剂含量、进料醇醛比、进料总流量和回流比等因素对该过程的影响。在选定的试验条件下,甲缩醛收率可达89%以上,塔顶甲缩醛的质量分数可达0.99以上。结果表明,该工艺用于制备甲缩醛是可行的。
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邵利
杨彩娟
许春建
周明
关键词浆料催化精馏   甲缩醛   甲醇   甲醛     
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
引用本文:   
邵利;杨彩娟;许春建;周明;.浆料催化精馏制备甲缩醛[J].  化学工业与工程, 2006,23(6): 471-474
SHAO Li,YANG Cai-juan,XU Chun-jian,ZHOU Ming.Preparation of Methylal by Slurry Catalytic Distillation Process[J].  Chemcial Industry and Engineering, 2006,23(6): 471-474
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