| 乙酸催化氯化反应机理及制备氯乙酸中二氯乙酸的控制 |
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| 引用本文： | 周茂权 严生虎 等. 乙酸催化氯化反应机理及制备氯乙酸中二氯乙酸的控制[J]. 江苏石油化工学院学报, 2001, 13(3): 23-25 |
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| 作者姓名： | 周茂权 严生虎 等 |
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| 作者单位： | [1]南京大学化学化工学院，江苏南京210093 [2]江苏石油化工学院精细化工研究所，江苏常州213016 |
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| 基金项目： | 中国石油化工集团公司科技开发基金资助 (2 0 0 0 0 5 ) |
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| 摘 要： | 通过对乙酸在硫磺、乙酐和乙酰氯为催化剂下进行氯化制备氯乙酸反应机理的研究，认为乙酰氯是反应体系中真正的催化剂，副反应属于连串反应，并由此提出了抑制副反应发生的几种途径。
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| 关 键 词： | 氯化 二氯乙酸 控制 乙酸 催化 氯乙酸 |
Study on Mechanism for Catalyzed Chlorination of Acetic Acid and Methods for Prohibiting dichlorination |
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| ZHOU Mao-quan ,ZHANG Na ,YAN Sheng-hu ,ZHANG Yue. Study on Mechanism for Catalyzed Chlorination of Acetic Acid and Methods for Prohibiting dichlorination[J]. Journal of Jiangsu Institute of Petrochemical Technology, 2001, 13(3): 23-25 |
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| Authors: | ZHOU Mao-quan ZHANG Na YAN Sheng-hu ZHANG Yue |
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| Affiliation: | ZHOU Mao-quan 1,ZHANG Na 1,YAN Sheng-hu 2,ZHANG Yue 2 |
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| Abstract: | The Mechanism for Catalyzed Chlorination of Acetic Acid to mono-and dichloroacetic acids was studied .The result indicated that AcCl acts as the active catalyst and that dichloroacetic acid was formed mainly via the chlorination of acetyl chloride to dichloroacetyl chloride,which undergoes chlorine exchange to dichloroacetic acid. Several ways for prohibiting forming dichloroacetic acid(DCA) was brought forth. |
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| Keywords: | chlorination mechanism DCA prohibitation |
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