| 高稳定性磺酸介孔分子筛催化合成乙酸正丁酯 |
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| 引用本文： | 李怀增,杨丽娜,梁永安,刘敬.高稳定性磺酸介孔分子筛催化合成乙酸正丁酯[J].石化技术与应用,2010,28(3):199-201. |
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| 作者姓名： | 李怀增 杨丽娜 梁永安 刘敬 |
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| 作者单位： | 1. 辽宁石油化工大学,石油化工学院,辽宁,抚顺,113001
2. 中国石油抚顺石化公司,石油二厂,辽宁,抚顺,113001 |
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| 摘 要： | 以乙酸和正丁醇为原料,磺酸介孔分子筛为催化剂,经酯化反应可制备乙酸正丁酯。结果表明,磺酸介孔分子筛的催化活性接近浓硫酸,高于HZSM-5和ZrO2/SO42-超强酸催化剂;最佳酯化反应条件为:温度120℃,时间2 h,正丁醇/乙酸摩尔比1.1∶1.0,催化剂质量分数4.0%。在此条件下,乙酸转化率可达70.83%;催化剂重复使用4次后,催化活性无明显降低。
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| 关 键 词： | 乙酸 正丁醇 磺酸 介孔分子筛 合成 乙酸正丁酯 |
Synthesis of n-butyl acetate catalyzed by high stable sulfoacid-supported mesoporous molecular sieve |
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| Li Huaizeng,Yang Lina,Liang Yong'an,Liu Jing.Synthesis of n-butyl acetate catalyzed by high stable sulfoacid-supported mesoporous molecular sieve[J].Petrochemical Technology & Application,2010,28(3):199-201. |
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| Authors: | Li Huaizeng Yang Lina Liang Yong'an Liu Jing |
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| Affiliation: | 1. School of Petrochemical Technology, Liaoning University of Petroleum ＆ Chemical Technology, Fushun 113001, China ; 2. No 2 Crude Oil Plant of Fushun Petrochemical Company,PetroChina, Fushun 113001 , China) |
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| Abstract: | The n -butyl acetate was prepared by esterification reaction with n- butanol and acetic acid as materials, sulfoacid -supported mesoporous molecular sieve as catalyst. The results showed that the activity of the catalyst was near to sulfuric acid and higher than that of HZSM -5 and ZrO2/SO4^2-. The optimum reaction conditions were temperature 120 ℃ ,time 2 h, n - butanol to acetic acid （ mole ratio） 1.1： 1.0, mass fraction of catalyst 4.0%. Under these conditions, the conversion of acetic acid could reach 70. 83%. The activity of the catalyst had no obvious drop after it was reused 4 times. |
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| Keywords: | acetic acid n - butanol sulfoacid mesoporous molecular sieve synthesis n - butyl acetate |
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