| N-甲酰吗啉的UNIFAC参数拟合 |
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| 引用本文： | 胡文励,曾健,王晓东.N-甲酰吗啉的UNIFAC参数拟合[J].天然气化工,2003,28(6):48-51,57. |
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| 作者姓名： | 胡文励 曾健 王晓东 |
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| 作者单位： | 西南化工研究设计院,成都,610225 |
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| 摘 要： | 应用UNIFAC基团贡献法,将N 甲酰吗啉(NFM)划分为一个基团,用实测的和文献公开发表的含NFM的芳烃和非芳烃的二元和多元汽液相平衡数据,采用最大似然函数法拟合关联出了CH2 NFM、ACH NFM、ACCH2 NFM、H2O NFM4对UNIFAC基团相互作用参数拟合误差较为满意,能够满足用N 甲酰吗啉萃取精馏精制苯工艺的工程计算的需要。
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| 关 键 词： | UNIFAC 基团贡献法 N-甲酰吗啉(NFM) 汽液相平衡 最大似然函数法 参数拟合 |
| 文章编号： | 1001-9219(2003)06-48-04 |
Fitting of the UNIFAC Group-Interaction Parameters of N-Formylmorpholine |
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| HU Wen-li,ZENG Jian,WANG xiao-dong.Fitting of the UNIFAC Group-Interaction Parameters of N-Formylmorpholine[J].Natural Gas Chemical Industry,2003,28(6):48-51,57. |
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| Authors: | HU Wen-li ZENG Jian WANG xiao-dong |
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| Abstract: | N-Formylmorpholine(NFM) was divided into one group based on the UNIFAC model. The interaction parameters of UNIFAC model between CH_2-NFM?ACH-NFM?ACCH_2-NFM?H_2O-NFM were fitted by use of measured and published VLE data of aromatic and non-aromatic hydrocarbon system contained NFM. The deviation was satisfactory. The interaction parameters of UNIFAC model can be used in designing the process of refining benzene by extract-distillation with NFM as solvent. |
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| Keywords: | UNIFAC group contribution method N-formylmorpholine(NFM) gas-liquid equilibrium(VLE) maximum likelihood function method parameter fitting |
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