The properties of the new solid supper acid catlyst which was immerged by S2O82-and added with Sm2O3 were Studied.And the effect of acid strength,sulfur content and stability on the catalyst S2O82-/ZrO2-SiO2-Sm2O2 cau...The properties of the new solid supper acid catlyst which was immerged by S2O82-and added with Sm2O3 were Studied.And the effect of acid strength,sulfur content and stability on the catalyst S2O82-/ZrO2-SiO2-Sm2O2 caused by the dinnovation was studied.展开更多
The synthesis of butyl heptanoate with n butanol and heptanoic acid as reactants and the rare earth solid super acid SO 2- 4/TiO 2/La 3+ as catalyst had been sutdied.The effects of various actors on the reaction were ...The synthesis of butyl heptanoate with n butanol and heptanoic acid as reactants and the rare earth solid super acid SO 2- 4/TiO 2/La 3+ as catalyst had been sutdied.The effects of various actors on the reaction were investigated.The results showed that the appropriate conditions should be:Weight of catalyst is 0.5g(weight of heptanoic acid is 0.2mol);molar ratio of n butanol to heptanoic acid was 1.8∶1;reaction time was 2.0h;dehydrating agent (Toluene) being 15ml.The yield of butyl heptanoate was about 99.2%.展开更多
文摘The properties of the new solid supper acid catlyst which was immerged by S2O82-and added with Sm2O3 were Studied.And the effect of acid strength,sulfur content and stability on the catalyst S2O82-/ZrO2-SiO2-Sm2O2 caused by the dinnovation was studied.
文摘The synthesis of butyl heptanoate with n butanol and heptanoic acid as reactants and the rare earth solid super acid SO 2- 4/TiO 2/La 3+ as catalyst had been sutdied.The effects of various actors on the reaction were investigated.The results showed that the appropriate conditions should be:Weight of catalyst is 0.5g(weight of heptanoic acid is 0.2mol);molar ratio of n butanol to heptanoic acid was 1.8∶1;reaction time was 2.0h;dehydrating agent (Toluene) being 15ml.The yield of butyl heptanoate was about 99.2%.