A novel type of rare earth promoted solid super acid catalyst,S2O82-/ZrO2-SiO2-Sm2O3,was prepared by a special precipitation method,and ammonia persulfate was used as promoter instead of sulfuric acid.The catalysts we...
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...
Ethyl lactate was synthesized starting from lactic acid and ethanol over solid superacid SO2-4/ZrO2-La3+ catalyst.The influence factors were investigated.The results showed that the appropriate conditions were as foll...