| 有机溶剂中树脂催化丙酮氰醇分解反应的动力学模型 |
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| 引用本文： | 章亭洲,杨立荣,朱自强,吴坚平. 有机溶剂中树脂催化丙酮氰醇分解反应的动力学模型[J]. 中国化学工程学报, 2003, 11(3): 355-357 |
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| 作者姓名： | 章亭洲 杨立荣 朱自强 吴坚平 |
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| 作者单位： | College of Material & Chemical Engineering，Zhejiang University，Hangzhou 310027，China College of Food Science，Biotechnology & Environmental Engineering，Hangzhou University of Commerce，Hangzhou 310035，China，College of Material & Chemical Engineering，Zhejiang University，Hangzhou 310027，China，College of Material & Chemical Engineering，Zhejiang University，Hangzhou 310027，China，College of Material & Chemical Engineering，Zhejiang University，Hangzhou 310027，China |
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| 基金项目： | Supported by the National Natural Science Foundation of China(No.29876037)and the Natural Science Foundation ofZhejiang Province(No.296068) |
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| 摘 要： | Decomposition of acetone cyanohydrin is the first-step reaction for preparing (S)-α-cyano-3-phenoxybenzyl alcohol (CPBA) by the one-pot method in organic media. Considering the compatibility of bio-catalysts with chemical catalysts and the successive operation in the bioreactor, anion exchange resin (D301) was used as catalyst for this reaction. External diffusion limitation was excluded by raising rotational speed to higher than 190r·min-1 in both solvents. Internal diffusion limitation was verified to be insignificant in this reaction system. The effect of acetone cyanohydrin concentration on the reaction was also investigated. An intrinsic kinetic model was proposed when the mass transfer limitation was excluded, and the average deviation of the model is 10.5%.
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| 关 键 词： | 动力学模型 丙酮氰醇 分解反应 有机溶剂 催化降解 阴离子交换树脂 杀虫活性 |
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Kinetic Model of Resin-Catalyzed Decomposition of Acetone Cyanohydrin in Organic Solvent |
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| ZHANG Tingzhou,YANG Lirong,ZHU Ziqiang,WU Jianping. Kinetic Model of Resin-Catalyzed Decomposition of Acetone Cyanohydrin in Organic Solvent[J]. Chinese Journal of Chemical Engineering, 2003, 11(3): 355-357 |
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| Authors: | ZHANG Tingzhou YANG Lirong ZHU Ziqiang WU Jianping |
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| Affiliation: | College of Material & Chemical Engineering, Zhejiang University, Hangzhou 310027, China College of Food Science, Biotechnology & Environmental Engineering, Hangzhou University of Commerce, Hangzhou 310035, China |
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| Abstract: | Decomposition of acetone cyanohydrin is the first-step reaction for preparing (S)-α-cyano-3-phenoxybenzyl alcohol (CPBA) by the one-pot method in organic media. Considering the compatibility of bio-catalysts with chemical catalysts and the successive operation in the bioreactor, anion exchange resin (D301) wasused as catalyst for this reaction. External diffusion limitation was excluded by raising rotational speed to higherthan 190r@min-1 in both solvents. Internal diffusion limitation was verified to be insignificant in this reactionsystem. The effect of acetone cyanohydrin concentration on the reaction was also investigated. An intrinsic kineticmodel was proposed when the mass transfer limitation was excluded, and the average deviation of the model is10.5%. |
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| Keywords: | acetone cyanohydrin model organic media anion-exchange resin |
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