A New Method to Solve Film Model for CO2 Absorption with Aqueous Solution of N-Methyldiethanolamine

A New Method to Solve Film Model for CO2

Absorption with Aqueous Solution of N-

Methyldiethanolamine

钟战铁;李伟;施耀;何锋;周明华

【期刊名称】《中国化学工程学报：英文版》

【年(卷),期】2003(011)004

【摘要】The shooting method and the difference method are used for numerical simulation of CO2 absorption with aclueous solution of methyldiethanolamine (MDEA). It is demonstrated that these methods axe 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.

【总页数】5页(P.441-445)

【关键词】MDEA;吸附;CO2;稳态模型;数值求解;N-甲基二乙醇胺;水溶液

【作者】钟战铁;李伟;施耀;何锋;周明华

【作者单位】iDepartmentofEnvironmentalEngineering,ZhejiangUniversity,Hangzhou3 10027,China