In order to minimize the pollution of ferrous sulfate, a by-product of titanium dioxide, and increase the yield of synthetic ester, the SO 2- <sub>4/Fe2O3 nanosolid superacid has been produced by chemical precip...In order to minimize the pollution of ferrous sulfate, a by-product of titanium dioxide, and increase the yield of synthetic ester, the SO 2- <sub>4/Fe2O3 nanosolid superacid has been produced by chemical precipitation and its micrographs was determined by SEM. The effect of preparation conditions of SO 2- <sub>4/Fe2O3 nanosolid superacid on catalysis synthesis butyl acetate and synthesis conditions of butyl acetate were studied.From experimental data,as compared with liquid acid, SO 2- <sub>4/Fe2O 3 nanosolid superacid showed higher catalytic performance in catalytic synthesis of butyl acetate,and the yield of butyl acetate was obviously increased in the same reaction time.展开更多
文摘In order to minimize the pollution of ferrous sulfate, a by-product of titanium dioxide, and increase the yield of synthetic ester, the SO 2- <sub>4/Fe2O3 nanosolid superacid has been produced by chemical precipitation and its micrographs was determined by SEM. The effect of preparation conditions of SO 2- <sub>4/Fe2O3 nanosolid superacid on catalysis synthesis butyl acetate and synthesis conditions of butyl acetate were studied.From experimental data,as compared with liquid acid, SO 2- <sub>4/Fe2O 3 nanosolid superacid showed higher catalytic performance in catalytic synthesis of butyl acetate,and the yield of butyl acetate was obviously increased in the same reaction time.