| 机械搅拌萃取塔中氯仿萃取DMF的传质系数 |
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| 引用本文： | 张慧,叶长燊,林诚.机械搅拌萃取塔中氯仿萃取DMF的传质系数[J].环境工程学报,2011,5(1):103-107. |
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| 作者姓名： | 张慧 叶长燊 林诚 |
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| 作者单位： | 福州大学化学化工学院,福州,350108 |
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| 基金项目： | 福州大学科研启动基金(2008-XQ-12)；福建省教育厅科研项目(JB06015) |
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| 摘 要： | 萃取-精馏法处理N,N-二甲基甲酰胺(DMF)废水是一种节能工艺,相关的工艺研究多有报道.为了对萃取传质过程进行研究,在机械搅拌萃取塔中采用氯仿萃取废水中DMF,在考虑萃取传质系数沿塔高变化的基础上建立了传质数学模型.根据实验数据,结合辛普森积分法和最优化方法一单纯形法对传质模型进行参数估计,获得传质系数与萃取轻重两相...
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| 关 键 词： | 搅拌萃取塔 DMF 传质系数 参数估计 |
| 收稿时间： | 1/2/2010 12:00:00 AM |
Mass transfer coefficient of chloroform extracting DMF in mechanically agitated extraction columns |
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| Zhang Hui,Ye Changshen and Lin Cheng.Mass transfer coefficient of chloroform extracting DMF in mechanically agitated extraction columns[J].Techniques and Equipment for Environmental Pollution Control,2011,5(1):103-107. |
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| Authors: | Zhang Hui Ye Changshen and Lin Cheng |
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| Institution: | College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou Fujian 350108, China,College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou Fujian 350108, China and College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou Fujian 350108, China |
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| Abstract: | Extraction-distillation recovery process is more advanced energy-saving recovery technology used to deal with DMF wastewater.Many process-related researches have been reported in literature.In this work,the characteristics of mass-transfer process is investigated in a mechanically agitated extraction column for DMF extracted from its wastewater by using chloroform,and a mass-transfer model for the extraction process is established by considering that the mass transfer coefficient changes along with height o... |
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| Keywords: | agitated extraction column N N-dimethylformamide mass-transfer coefficient parameter estimation |
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