| 反应精馏过程中的多稳态分析 |
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| 引用本文： | 杨伯伦,吴江,赵国胜,王华军,路士庆.反应精馏过程中的多稳态分析[J].中国化学工程学报,2006,14(3):301-308. |
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| 作者姓名： | 杨伯伦 吴江 赵国胜 王华军 路士庆 |
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| 作者单位： | 西安交通大学;西安交通大学;西安交通大学;西安交通大学;西安交通大学 |
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| 基金项目： | 中国科学院资助项目，国家自然科学基金 |
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| 摘 要： | Reactive distillation processes for synthesis of ethylene glycol （EG） and ethyl tert-butyl ether （ETBE） were modeled with the simulation package ASPEN PLUS. The input multiplicity and output multiplicity were discussed with the method of sensitivity analysis for both cases. In EG production process, steady state multiplicities were studied in terms of effective liquid holdup volume and boil-up ratio. In ETBE synthesis process, the user kinetic subroutine was supplied into ASPEN PLUS firstly, and then the composition, temperature and reaction-rate profiles within the reactive distillation column were presented in detail. A set of stable solution branches based on distinct initial guesses for a range of boil-up ratio were found in EG synthesis. Input multiplicities were observed for a range of reboiler duty at several values of reflux ratio for ETBE synthesis process. These results can be used to avoid excessive energy consumption and achieve optimum design of reactive distillation column.
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| 关 键 词： | 精馏 多稳态分析 ASPEN PLUS 乙二醇 丁醚 |
| 收稿时间： | 2005-04-04 |
| 修稿时间： | 2005-04-042006-01-31 |
Multiplicity Analysis in Reactive Distillation Column Using ASPEN PLUS |
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| YANGBolun,WUJiang,ZHAOGuosheng,WANGHuajun,LUShiqing.Multiplicity Analysis in Reactive Distillation Column Using ASPEN PLUS[J].Chinese Journal of Chemical Engineering,2006,14(3):301-308. |
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| Authors: | YANGBolun WUJiang ZHAOGuosheng WANGHuajun LUShiqing |
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| Affiliation: | 1. Universidad Nacional de Colombia, Ciudad Universitaria, Department of Chemical and environmental Engineering, Bogotá DC, Colombia;2. Facultad de Química, Universidad de Guanajuato, Noria Alta s/n, Guanajuato, Gto. 36050, Mexico;1. Sustainable Process Technology Group, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands;2. AkzoNobel Research, Development & Innovation, SRG Process Technology, Zutphenseweg 10, 7418 AJ Deventer, The Netherlands;3. School of Chemical Engineering and Analytical Science, The University of Manchester, Sackville Street, Manchester, M13 9PL, United Kingdom;1. School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, PR China;2. College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, PR China;1. IBB -Institute for Biotechnology and Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal;2. CIEPQPF, Department of Chemical Engineering, Universidade de Coimbra, Rua Sílvio Lima – Pólo II, 3030-790 Coimbra, Portugal;1. School of Chemistry and Chemical Engineering Henan University, Kaifeng 475001, China;2. CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Beijing Key Laboratory of Ionic Liquids Clean Process, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;3. Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, China |
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| Abstract: | Reactive distillation processes for synthesis of ethylene glycol (EG) and ethyl tert-butyl ether (ETBE) were modeled with the simulation package ASPEN PLUS. The input multiplicity and output multiplicity were discussed with the method of sensitivity analysis for both cases. In EG production process, steady state multiplicities were studied in terms of effective liquid holdup volume and boil-up ratio. In ETBE synthesis process, the user kinetic subroutine was supplied into ASPEN PLUS firstly, and then the composition, temperature and reaction-rate profiles within the reactive distillation column were presented in detail. A set of stable solution branches based on distinct initial guesses for a range of boil-up ratio were found in EG synthesis. Input multiplicities were observed for a range of reboiler duty at several values of reflux ratio for ETBE synthesis process. These results can be used to avoid excessive energy consumption and achieve optimum design of reactive distillation column. |
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| Keywords: | reactive distillation ASPEN PLUS multiplicity ethyl tert-butyl ether ethylene glycol |
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