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Preparation and Catalytic Propertiesof Laden Bentonite Solid Acid Catalyst

Xu Yanling,Shen Lian(Zhejiang University of Technology,Hang Zhou 310014)  
FeCl3/bentonite solid acid catalyst was prepared,which the bentonite was disposed using different acids and the catalyst carriers dipped with FeCl3 solution.The influence of acidification conditions,on the FeCl3/bentonite catalytic performance throughtetrahydrofuran(THF) polymerization were investigated.The suitable preparing technology conditions were obtained as follows: HNO3 mass fraction is 25% acidified under 98 ℃.The conversion of THF reached 58.53% when polymerized with this catalyst at 40 ℃ for 5h.Meanwhile,the FeCl3/bentonite catalyst was characterized by XRD,BET,SEM,respectively.
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