| A New Method to Solve Film Model for CO_2 Absorption with Aqueous Solution of AT-Methyldiethanolamine |
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| 作者姓名： | 钟战铁 李伟 施耀 何锋 周明华 |
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| 作者单位： | Department of Environmental Engineering，Zhejiang University，Hangzhou 310027，China，Department of Environmental Engineering，Zhejiang University，Hangzhou 310027，China，Department of Environmental Engineering，Zhejiang University，Hangzhou 310027，China，Department of Environmental Engineering，Zhejiang University，Hangzhou 310027，China，Department of Environmental Engineering，Zhejiang University，Hangzhou 310027，China |
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| 摘 要： | The shooting method and the difference method are used for numerical simulation of CO2 absorption with aqueous solution of methyldiethanolamine (MDEA). It is demonstrated that these methods are available for the steady-state model, which may be expressed as a set of differential algebraic equations (DAEs) with two-point boundary values. This method makes it possible not only to obtain the concentration profiles for MDEA system, but also to reveal the effect of CO2 interfacial concentration on the enhancement factor. With this numerical simulation, the mass transfer process with multicomponent diffusion and reactions can be better understood.
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A New Method to Solve Film Model for CO_2 Absorption with Aqueous Solution of AT-Methyldiethanolamine |
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| ZHONG Zhantie,LI Wei SHI Yao,HE Feng and
ZHOU Minghua.A New Method to Solve Film Model for CO_2 Absorption with Aqueous Solution of AT-Methyldiethanolamine[J].Chinese Journal of Chemical Engineering,2003(4). |
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| Authors: | ZHONG Zhantie LI Wei SHI Yao HE Feng and
ZHOU Minghua |
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| Affiliation: | ZHONG Zhantie,LI Wei SHI Yao,HE Feng and
ZHOU Minghua
Department of Environmental Engineering,Zhejiang University,Hangzhou 310027,China |
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| Abstract: | The shooting method and the difference method are used for numerical simulation of CO2 absorption with aqueous solution of methyldiethanolamine (MDEA). It is demonstrated that these methods are available for the steady-state model, which may be expressed as a set of differential algebraic equations (DAEs) with two-point boundary values. This method makes it possible not only to obtain the concentration profiles for MDEA system, but also to reveal the effect of CO2 interfacial concentration on the enhancement factor. With this numerical simulation, the mass transfer process with multicomponent diffusion and reactions can be better understood. |
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| Keywords: | film model numerical simulation carbon dioxide methyldiethanolamine |
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