| 第 36 卷第 2 期 |  | Vol. 36 No. 2 | | 2006 年 4 月 | Apr 2006 |
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所屬欄目：其它
氯化芐光氯化反應宏觀(guān)動(dòng)力學(xué)的研究 |
| 王毅; 喬旭(南京水科院瑞迪高新技術(shù)公司; 南京工業(yè)大學(xué)化工學(xué)院; 江蘇南京) |
| 摘 要：通過(guò)運用新型的內環(huán)流反應器對氯化芐光氯化反應機理和宏觀(guān)狀態(tài)的分析,建立了氯化芐氯化的連串反應動(dòng)力學(xué)模型。經(jīng)參數估計,得出了在95～125℃溫度范圍內連串反應的宏觀(guān)反應速率常數和活化能,兩步反應活化能分別為Ea1=28.14×103J/mol、Ea2=58.37×103J/mol,模型與實(shí)驗數據吻合較好。根據模型,得到芐叉二氯在反應體系中能達到的最高摩爾組成為0.7和不同溫度下的反應時(shí)間,為芐叉二氯的生產(chǎn)工藝條件的確定提供了可靠依據。 |
| 關(guān)鍵詞：氯化芐; 光氯化; 芐叉二氯; 動(dòng)力學(xué) |
| 中圖分類(lèi)號：TQ013.2 文獻標識碼：A 文章編號：1009-9212(2006)02-0059-04 |
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| Study on the Macroscopic Kinetics of Benzyl chloride Photo-Chlorination Reaction |
| WANG Yi1; QIAO Xu2（1. Nanjing Ruidi Company; Nanjing Hydraulic Institute; Nanjing 210024; China; 2. Chemical College; Nanjing University of Technology; Nanjing 210009; China） |
| Abstract：The kinetic model of consecutive reaction for chlorination of benzyl chloride was built by analyzing the reaction mechanism and macroscopic stage. The reaction rate constant and activity energy of consecutive reaction was calculated by parameter estimation. The two step reaction activity energies were 28.14 kJ/mol and 58.37 kJ/mol in the temperature range from 95 ℃ to 125 ℃,and the model values and experimental values tally well. The highest mole ratio of benzal chloride and reaction time at different tempe... |
| Key words：benzyl chloride; photo-chlorination; benzal chloride; kinetics |
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收稿日期：2005-09-30
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