| 三种气体分离技术应用于电厂烟气二氧化碳捕集经济性的比较(英文) |
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| 引用本文： | 杨宏军,樊栓狮,郎雪梅,王燕鸿,聂江华.三种气体分离技术应用于电厂烟气二氧化碳捕集经济性的比较(英文)[J].中国化学工程学报,2011,19(4):615-620. |
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| 作者姓名： | 杨宏军 樊栓狮 郎雪梅 王燕鸿 聂江华 |
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| 作者单位： | Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, South China University of Technology, Guangzhou 510640, China |
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| 基金项目： | Supported by the National High Technology Research and Development Program of China (2007AA03Z229); the Fundamental Research Funds for the Central Universities (2009ZM0185) |
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| 摘 要： | Three gas separation technologies,chemical absorption,membrane separation and pressure swing adsorption,are usually applied for CO2 capture from flue gas in coal-fired power plants.In this work,the costs of the three technologies are analyzed and compared.The cost for chemical absorption is mainly from $30 to $60 per ton(based on CO2 avoided),while the minimum value is $10 per ton(based on CO2 avoided).As for membrane separation and pressure swing adsorption,the costs are $50 to $78 and $40 to $63 per ton(based on CO2 avoided),respectively.Measures are proposed to reduce the cost of the three technologies.For CO2 capture and storage process,the CO2 recovery and purity should be greater than 90%.Based on the cost,recovery,and purity,it seems that chemical absorption is currently the most cost-effective technology for CO2 capture from flue gas from power plants.However,membrane gas separation is the most promising alternative approach in the future,provided that membrane performance is further improved.
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| 关 键 词： | 二氧化碳回收 技术经济 燃煤电厂 分离技术 烟气 气体膜分离 捕集 化学吸收 |
| 收稿时间： | 2010-11-23 |
| 修稿时间： | 2011-5-26
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Economic Comparison of Three Gas Separation Technologies for CO2 Capture from Power Plant Flue Gas |
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| Hongjun YANG,Shuanshi FAN,Xuemei LANG,Yanhong WANG,Jianghua NIE.Economic Comparison of Three Gas Separation Technologies for CO2 Capture from Power Plant Flue Gas[J].Chinese Journal of Chemical Engineering,2011,19(4):615-620. |
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| Authors: | Hongjun YANG Shuanshi FAN Xuemei LANG Yanhong WANG Jianghua NIE |
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| Affiliation: | Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, South China University of Technology, Guangzhou 510640, China |
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| Abstract: | Three gas separation technologies, chemical absorption, membrane separation and pressure swing adsorption, are usually applied for CO2 capture from flue gas in coal-fired power plants. In this work, the costs of the three technologies are analyzed and compared. The cost for chemical absorption is mainly from $30 to $60 per ton (based on CO2 avoided), while the minimum value is $10 per ton (based on CO2 avoided). As for membrane separation and pressure swing adsorption, the costs are $50 to $78 and $40 to $63 per ton (based on CO2 avoided), respectively. Measures are proposed to reduce the cost of the three technologies. For CO2 capture and storage process, the CO2 recovery and purity should be greater than 90%. Based on the cost, recovery, and purity, it seems that chemical absorption is currently the most cost-effective technology for CO2 capture from flue gas from power plants. However, membrane gas separation is the most promising alternative approach in the future, provided that membrane performance is further improved. |
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| Keywords: | CO2 capture cost flue gas chemical absorption membrane gas separation pressure swing adsorption |
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