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SO42-杭锦2#土固体超强酸催化合成乙酸正丁酯

JOURNAL OF ZHAOQING UNIVERSITY(2010)

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Abstract
以硫酸处理杭锦2#土制得的活性白土为载体,采用传统浸渍法制备了SO42-/杭锦2#土固体超强酸,将该固体酸催化剂用于冰乙酸和正丁醇的酯化反应,考察了反应条件对酯化率的影响.结果表明:在醇、酸摩尔比为2:1,催化剂用量为0.6 g,反应温度为90℃,反应时间为2 h时,酯化率可达99.2%.显示出与硫酸为催化剂相当的活性,且催化剂可重复使用.
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