【摘 要】
：
用TiO2*nH2O和H2WO4混合,其中w(H2WO4)＝10%,然后用c(H2SO4)＝1mol/L的溶液浸渍,在550℃焙烧2h,可制得Ho≤-14.52的WO3-TiO2-SO42-固体超强酸催化剂,用于柠檬酸和正丁醇的酯化反
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用TiO2*nH2O和H2WO4混合,其中w(H2WO4)＝10%,然后用c(H2SO4)＝1mol/L的溶液浸渍,在550℃焙烧2h,可制得Ho≤-14.52的WO3-TiO2-SO42-固体超强酸催化剂,用于柠檬酸和正丁醇的酯化反应,实验结果表明最佳反应条件为:反应温度155℃,醇酸物质的量比为3.9∶1,反应时间4h,催化剂用量占总投料质量的1.5%,柠檬酸的转化率达98%.
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