| 固体超强酸SO4 2-/TiO2催化合成柠檬酸三乙酯 |
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| 引用本文： | 陶贤平.固体超强酸SO4 2-/TiO2催化合成柠檬酸三乙酯[J].化学工程师,2005,19(9):14-15,18. |
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| 作者姓名： | 陶贤平 |
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| 作者单位： | 南通职业大学,化工系,江苏,南通,226007 |
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| 摘 要： | 以固体超强酸SO4^2-TiO2为催化剂，用柠檬酸和乙醇合成了柠檬酸三乙酯。考察了催化剂用量、酸醇比、反应时间、带水剂种类对酯化反应的影响，确定了最佳的反应条件：以0．3mol柠檬酸为基准，甲苯为带水剂，m（催化剂）2．5g，n（柠檬酸）；n（乙醇）=1：5．5，反应时间为8h，收率86．6％。
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| 关 键 词： | 固体超强酸SO42-/TiO2 柠檬酸三乙酯 催化剂 酯化 |
| 文章编号： | 1002-1124（2005）09-0014-02 |
| 收稿时间： | 2005-07-01 |
| 修稿时间： | 2005-07-01 |
Catalystic synthesis of triethyl citratr by solid superacid SO4 2-/TiO2 |
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| TAO Xian-Ping.Catalystic synthesis of triethyl citratr by solid superacid SO4 2-/TiO2[J].Chemical Engineer,2005,19(9):14-15,18. |
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| Authors: | TAO Xian-Ping |
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| Affiliation: | Department of Chemical Engineering, Nantong Professional Institute, Nantong 226007, China |
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| Abstract: | The triethyl citrate was prepared with solid superacid SO~(2-)_4/TiO_2 as catalyst.The effect of factors on the yield was studied and the optimum synthesis conditions were determined:taking water reagent was toluene,mass of catalyst was 2.5g,molar ratio of citric acid to alcohol was 1:5.5,and reaction time was 8.0h(based on 0.3mol citric acid).The yield of esterification reached 86.6 %. |
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| Keywords: | solid superacid SO4^2 -/TiO2 triethyl citrate catalyst esterification |
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