| 碳酸氢铵溶液解吸二氧化碳研究 |
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| 引用本文： | 刘芳,王淑娟,张曦,孙新玉,陈昌和,徐旭常.碳酸氢铵溶液解吸二氧化碳研究[J].环境科学学报,2009,29(9):1886-1890. |
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| 作者姓名： | 刘芳 王淑娟 张曦 孙新玉 陈昌和 徐旭常 |
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| 作者单位： | 清华大学热科学与动力工程教育部重点实验室,北京,100084 |
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| 基金项目： | 国家自然科学基金(No.50876051)~~ |
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| 摘 要： | 对氨法脱碳主要吸收产物碳酸氢铵溶液受热解吸CO2的过程开展实验研究,借以了解吸收剂再生特点.同时,考虑到常温下碳酸氢铵溶解度和不相称溶解的限制,选择对2mol·L-1以下浓度溶液进行60～90℃常压加热,考察加热温度及溶液浓度对CO2解吸过程的影响.结果表明,在实验条件下,碳酸氢铵溶液解吸CO2的选择性强,解吸比例随加热温度的升高和溶液浓度的增大而上升,但低于50%.反应动力学分析结果表明,碳酸氢铵溶液热分解过程为二级不可逆反应,反应速率常数k=4.4×1013exp(-13541/T).
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| 关 键 词： | 再生氨法 碳酸氢铵溶液 CO2解吸 热分解 |
| 收稿时间： | 2/4/2009 9:45:14 AM |
| 修稿时间： | 4/8/2009 3:23:10 PM |
Study on ammonium bicarbonate decomposition after CO2 sequestration by ammonia method |
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| LIU Fang,WANG Shujuan,ZHANG Xi,SUN Xinyu,CHEN Changhe and XU Xuchang.Study on ammonium bicarbonate decomposition after CO2 sequestration by ammonia method[J].Acta Scientiae Circumstantiae,2009,29(9):1886-1890. |
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| Authors: | LIU Fang WANG Shujuan ZHANG Xi SUN Xinyu CHEN Changhe and XU Xuchang |
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| Institution: | Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084,Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084,Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084,Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084,Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084 and Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084 |
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| Abstract: | |
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| Keywords: | regenerated ammonia ammonium bicarbonate solution CO2 desorption thermal decomposition |
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