| 煤基合成气一步制备高纯度二甲醚的全流程建模与模拟 |
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| 引用本文： | 韩嫒嫒,张海涛,应卫勇,房鼎业.煤基合成气一步制备高纯度二甲醚的全流程建模与模拟[J].中国化学工程学报,2009,17(1):108-112. |
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| 作者姓名： | 韩嫒嫒 张海涛 应卫勇 房鼎业 |
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| 作者单位： | 1. Engineering Research Center of Large Scale Reactor Engineering and Technology, Ministry of Education, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China;2. Department of Chemical Engineering, Huaqiao University, Quanzhou 362021, China |
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| 基金项目： | National Technology Support Program of China，国家重点基础研究发展规划(973计划) |
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| 摘 要： | As a result of shortage supply of oil resources, the process for the alternative coal-based fuel, dimethyl ether (DME), has emerged as an important process in chemical engineering field. With the laboratory experiment data about DME synthesis and separation, the production process for DME with high purity is proposed when one-step synthesis of DME in slurry bed reactor from syngas is adopted. On the basis of experimental research and process analysis, the proper unit modules and thermophysical calculation methods for the simulation process are selected. Incorporated the experimentally determined parameters of reaction dynamic model for DME synthesis, regression constants of parameters in non-random two-liquid equation (NRTL) model for binary component in DME separation system with built-in properties model, the process flowsheet is developed and simulated on the Aspen Plus platform. The simulation results coincide well with data obtained in laboratory experiment. Accordingly, the accurate simulation results offer useful references to similar equipment design and process operation optimization.
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| 关 键 词： | dimethyl ether process simulation Aspen Plus |
| 收稿时间： | 2008-3-13 |
| 修稿时间： | 2008-3-13
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Modeling and Simulation of Production Process on Dimethyl Ether Synthesized from Coal-based Syngas by One-step Method |
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| HAN Yuanyuan,ZHANG Haitao,YING Weiyong,FANG Dingye.Modeling and Simulation of Production Process on Dimethyl Ether Synthesized from Coal-based Syngas by One-step Method[J].Chinese Journal of Chemical Engineering,2009,17(1):108-112. |
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| Authors: | HAN Yuanyuan ZHANG Haitao YING Weiyong FANG Dingye |
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| Affiliation: | 1. Engineering Research Center of Large Scale Reactor Engineering and Technology, Ministry of Education, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China;2. Department of Chemical Engineering, Huaqiao University, Quanzhou 362021, China |
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| Abstract: | As a result of shortage supply of oil resources, the process for the alternative coal-based fuel, dimethyl ether (DME), has emerged as an important process in chemical engineering field. With the laboratory experiment data about DME synthesis and separation, the production process for DME with high purity is proposed when one-step synthesis of DME in slurry bed reactor from syngas is adopted. On the basis of experimental research and process analysis, the proper unit modules and thermophysical calculation methods for the simulation process are selected. Incorporated the experimentally determined parameters of reaction dynamic model for DME synthesis, regression constants of parameters in non-random two-liquid equation (NRTL) model for binary component in DME separation system with built-in properties model, the process flowsheet is developed and simulated on the Aspen Plus platform. The simulation results coincide well with data obtained in laboratory experiment. Accordingly, the accurate simulation results offer useful references to similar equipment design and process operation optimization. |
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| Keywords: | dimethyl ether process simulation Aspen Plus |
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