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- W2385852084 abstract "In this paper,Ce(SO4)2.4H2O was applied to esterification of succinic acid with ethyl alcohol.Reaction conditions were studied and the optimum condition was obtained.But the catalytic activity of the catalyst for esterification reduced to a great extent when Ce(SO4)2.4H2O was used repeatedly.The causes for the deactivation of catalyst were discussed by the theoretic analysis.It was found that the catalytic activity of Ce(SO4)2.4H2O catalyst resulted from the sites of Br?nsted acid.In the process of reaction,the amount of Br?nsted acid decreased and its intensity became weaker because of the loss of crystal water,the reduction of Ce4+ and the variation of crystal structure,so the catalytic activity of catalyst decreased." @default.
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- W2385852084 date "2005-01-01" @default.
- W2385852084 modified "2023-09-27" @default.
- W2385852084 title "Deactivation of Ce(SO_4)_2.4H_2O catalyst for synthesis of diethyl succinate" @default.
- W2385852084 hasPublicationYear "2005" @default.
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