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Chemcial Industry and Engineering 2009, Vol. 26 Issue (3) :199-202    DOI:
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Preparation and Characterization of AlPO_4 Catalyst and Its Application in Acetalization
WANG Yu-fei,WANG Ri-jie,YANG Xiao-xia(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China)
(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China

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Abstract AlPO_4 catalysts with different n(P)/n(Al) were prepared using hydrothermal and sol-gel method,respectively,and were characterized by means of XRD and NH_3-TPD.Results showed that the preparation method,the calcination temperature and n(P)/n(Al) had effect on the structure of catalyst and the surface acidity.The conversion of propylene glycol was mainly affected by the surface acidity of the catalyst.When n(P)/n(Al) was 1.0,calcination temperature was 400 ℃,AlPO_4 prepared by sol-gel method has the highest catalytic activity.
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Received 2009-05-15; published 2009-05-15
Cite this article:   
WANG Yu-fei,WANG Ri-jie,YANG Xiao-xia.Preparation and Characterization of AlPO_4 Catalyst and Its Application in Acetalization[J]  Chemcial Industry and Engineering, 2009,V26(3): 199-202
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