| 再生条件对钾基CO_2吸附剂吸附性能的影响 |
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| 引用本文： | 谢文杰,周宏仓,张翠翠,何都良,肖旭,章文斌,徐露,Nana Agyemang Prempeh. 再生条件对钾基CO_2吸附剂吸附性能的影响[J]. 环境科学与技术, 2012, 35(2): 63-66,105 |
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| 作者姓名： | 谢文杰 周宏仓 张翠翠 何都良 肖旭 章文斌 徐露 Nana Agyemang Prempeh |
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| 作者单位： | 南京信息工程大学环境科学与工程学院;江苏省大气环境监测与污染控制高技术研究重点实验室,江苏南京210044 |
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| 基金项目： | 江苏省科技支撑计划(工业)项目，国家自然科学基金，江苏省"青蓝工程"中青年学术带头人项目，江苏省自然科学基金，江苏省高校自然科学基金，江苏高校优势学科建设工程项目资助 |
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| 摘 要： | 通过固定床实验研究了再生条件对钾基CO2吸附剂吸附性能的影响。深入分析了再生温度和气氛对吸附穿透时间和饱和吸附量的影响。研究发现,当再生温度为200℃,N2气氛下再生时效果最佳,在此条件下再生后钾基CO2吸附剂循环性能良好,10次循环后仍然能有很好的吸附效果;再生气氛中有H2O或CO2时会影响再生反应的进行,不利于吸附剂的再生。
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| 关 键 词： | CO2 钾基吸附剂 再生温度 再生气氛 |
Effects of Regeneration Conditions on the Absorption Capacities of Potassium-based Sorbent for CO2 Capture |
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| XIE Wen-jie , ZHOU Hong-cang , ZHANG Cui-cui , HE Du-liang , XIAO Xu , ZHANG Wen-bin , XU Lu , Nana Agyemang Prempeh. Effects of Regeneration Conditions on the Absorption Capacities of Potassium-based Sorbent for CO2 Capture[J]. Environmental Science and Technology, 2012, 35(2): 63-66,105 |
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| Authors: | XIE Wen-jie ZHOU Hong-cang ZHANG Cui-cui HE Du-liang XIAO Xu ZHANG Wen-bin XU Lu Nana Agyemang Prempeh |
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| Affiliation: | XIE Wen-jie,ZHOU Hong-cang*,ZHANG Cui-cui,HE Du-liang, XIAO Xu,ZHANG Wen-bin,XU Lu,Nana Agyemang Prempeh(Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control,School of Environmental Science and Engineering,Nanjing University of Information Science & Technology,Nanjing 210044,China) |
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| Abstract: | Effect of regeneration condition on the absorption capacities of dry potassium-based sorbent for CO2 capture is investigated with cyclic fixed-bed operations.The effects of regeneration temperature and gas composition for breakthrough curves and saturated absorption capacity are deeply analyzed.Results show that the best regeneration condition is at 200 ℃ in N2 stream.Under the regeneration condition,the potassium-based sorbent has a good cycle performance.After ten cycles,the sorbent also has an excellent CO2 capture capacity.The presence of CO2 and H2O affects the regeneration reaction,which is not good for the adsorbent regeneration. |
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| Keywords: | carbon dioxide potassium-based sorbent regeneration temperature regeneration gas composition |
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