| 邻二甲苯空气液相氧化制取邻甲基苯甲酸 |
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| 引用本文： | 都国华,骆晓玲.邻二甲苯空气液相氧化制取邻甲基苯甲酸[J].石油化工,1998(2). |
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| 作者姓名： | 都国华 骆晓玲 |
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| 作者单位： | 大庆天然气公司科研所(都国华)，大庆石油化工设计院(骆晓玲) |
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| 摘 要： | 探索了用环烷酸钴为催化剂，用空气直接氧化邻二甲苯制取邻甲基苯甲酸的过程及基本反应原理。试验为ｋｇ级工业模拟中试试验，反应为间歇式反应，原料邻二甲苯一次投料量为４．２ｋｇ，目的产物为邻甲基苯甲酸，单程收率可达４７％，总收率可达６２．３６％。采用正交设计法试验，筛选出了工艺过程的最佳操作条件：温度１３０℃，压力０．３ＭＰａ，空气流量０．８ｍ３／ｈ，反应时间６ｈ。
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| 关 键 词： | 邻甲基苯甲酸 空气液相氧化 环烷酸钴 |
Liquid Phase Oxidation of o Xylene by Air to o Methyl Benzoic Acid |
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| Du,Guohua.Liquid Phase Oxidation of o Xylene by Air to o Methyl Benzoic Acid[J].Petrochemical Technology,1998(2). |
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| Authors: | Du Guohua |
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| Abstract: | The process of liquid phase oxidation of o xylene by air to produce o methyl benzoic acid using cobalt naphthenate as catalyst has been investigated on a kilogram level industrial simulative medium scale unit.The reaction was intermittent.The yield per pass of o methyl benzoic acid is up to 47% with a total yield of up to 62 36%.The optimum operation conditions were found to be temperature 130℃,pressure 0 3MPa,air flow rate 0 8m 3/h,and reaction time 6h. |
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| Keywords: | o methyl benzoic acid oxidation in liquid phase by air cobalt naphthenate |
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