Please wait a minute...
 首页  期刊介绍 期刊订阅 联系我们 横山亮次奖 百年刊庆
 
最新录用  |  预出版  |  当期目录  |  过刊浏览  |  阅读排行  |  下载排行  |  引用排行  |  横山亮次奖  |  百年刊庆
清华大学学报(自然科学版)  2016, Vol. 56 Issue (8): 824-829    DOI: 10.16511/j.cnki.qhdxxb.2016.25.021
  工程物理 本期目录 | 过刊浏览 | 高级检索 |
沸石分子筛的CO2除杂性能
龙斌1,2, 李君利1, 王群书2, 冯淑娟2, 周国庆2, 冯天成2, 张洋2, 徐明2, 田言杰2, 马怀成2
1. 清华大学 工程物理系, 粒子技术与辐射成像教育部重点实验室, 北京 100084;
2. 西北核技术研究所, 西安 710024
CO2 removal by zeolite molecular sieves
LONG Bin1,2, LI Junli1, WANG Qunshu2, FENG Shujuan2, ZHOU Guoqing2, FENG Tiancheng2, ZHANG Yang2, XU Ming2, TIAN Yanjie2, MA Huaicheng2
1. Key Laboratory of Particle and Radiation Imaging of Ministry of Education, Department of Engineering Physics, Tsinghua University, Beijing 100084, China;
2. Northwest Institute of Nuclear Technology, Xi'an 710024, China
全文: PDF(1360 KB)  
输出: BibTeX | EndNote (RIS)      
摘要 放射性氙测量通常采用碳分子筛等吸附剂进行吸附分离以提高探测灵敏度,但空气中CO2的存在会降低吸附剂的吸附性能,同时增大吸附柱的体积、降低气体回收率,因此在氙吸附前需要去除空气中的CO2。该文研究了不同的沸石分子筛的CO2除杂性能,测试分析了不同操作条件对除杂性能的影响。结果表明:13XHP沸石分子筛对CO2的除杂性能较好,温度和CO2的体积分数对吸附剂性能的影响最为显著,柱前压力和气体流量分别在103~353 kPa和564~2015 mL/min的范围内对吸附剂性能影响不大。
服务
把本文推荐给朋友
加入引用管理器
E-mail Alert
RSS
作者相关文章
龙斌
李君利
王群书
冯淑娟
周国庆
冯天成
张洋
徐明
田言杰
马怀成
关键词 沸石分子筛CO2除杂性能    
Abstract:Adsorption and separation by carbon molecular sieves is improves the detection sensitivity of radio xenon measurements. However, the adsorption capability including the adsorption column volume and the gas recovery are influenced by the CO2 in the air. Therefore, the CO2 must be removed before the xenon adsorption. This study analyzed CO2 removal by zeolite molecular sieves for various operating conditions. The results show that the 13XHP zeolite molecular sieve more effectively removes CO2 than the other adsorbents and that the CO2 temperature and volume fraction are the most important of fact affecting the adsorption performances. The inlet pressure and flow rate have less effect on the adsorption of CO2 by 13XHP for how rates of 564-2 015 mL/min and pressures of 103-353 kPa.
Key wordszeolite molecular sieve    CO2    absorption
收稿日期: 2015-10-22      出版日期: 2016-08-23
ZTFLH:  X837  
通讯作者: 李君利,教授,E-mail:lijunli@mail.tsinghua.edu.cn     E-mail: lijunli@mail.tsinghua.edu.cn
引用本文:   
龙斌, 李君利, 王群书, 冯淑娟, 周国庆, 冯天成, 张洋, 徐明, 田言杰, 马怀成. 沸石分子筛的CO2除杂性能[J]. 清华大学学报(自然科学版), 2016, 56(8): 824-829.
LONG Bin, LI Junli, WANG Qunshu, FENG Shujuan, ZHOU Guoqing, FENG Tiancheng, ZHANG Yang, XU Ming, TIAN Yanjie, MA Huaicheng. CO2 removal by zeolite molecular sieves. Journal of Tsinghua University(Science and Technology), 2016, 56(8): 824-829.
链接本文:  
http://jst.tsinghuajournals.com/CN/10.16511/j.cnki.qhdxxb.2016.25.021  或          http://jst.tsinghuajournals.com/CN/Y2016/V56/I8/824
  图1 穿透曲线
  图2 实验平台示意
  表1 吸附剂特性
  图3 CO2体积分数测量标准曲线
  表2 分子筛对CO2的动态吸附性能
  图4 分子筛对CO2动态吸附的穿透曲线
  图5 体积分数116×10-6~1309×10-6时CO2的动态穿透曲线
  图6 不同CO2体积分数下kdBkd变化曲线
  图7 气体流量564~2015mL/min时CO2动态穿透曲线
  表3 13XHP动态吸附系数随气体流量变化结果
  图8 温度5℃~45℃时CO2动态吸附穿透曲线
  图9 不同温度下CO2kdBkd的变化
  图10 不同柱前压力情况下CO2动态吸附穿透曲线
  表4 不同柱前压力下13XHP分子筛对CO2kdBkd
[1] 龙斌,吴睿,成智威,等.放射性氙测量中的天然源γ谱仪校准技术[J].原子能科学技术,2014,48(1):137-141.LONG Bin,WU Rui,CHENG Zhiwei,et al.Natural source-based calibration technique for measurement of radio-xenon with γ spectrometry[J].Atomic Energy Science and Technology,2014,48(1):137-141.(in Chinese)
[2] ZHOU Chongyang,ZHOU Guoqing,FENG Shujuan,et al.The determination of trace amount of natural 133Xe in gas under high radon activity concentration levels[J].J Environ Radioactivity,2013,122:9-15.
[3] 冯淑娟,周崇阳,周国庆,等.氙在活性炭和碳分子筛上的动态吸附性能[J].核化学与放射化学,2010,32(5):274-279.FENG Shujuan,ZHOU Chongyang,ZHOU Guoqing,et al.Dynamic adsorption property of xenon on activated carbon and carbon molecular sieves[J].Journal of Nuclear and Radiochemistry,2010,32(5):274-279.(in Chinese)
[4] 周崇阳.大气样品中氙的富集分离技术研究[D].北京:清华大学,2011.ZHOU Chongyang.Study on the Technology of Xenon Enrichment and Separation from Atmosphere and its Application in Nuclear Inspection[D].Beijing:Tsinghua University,2011.(in Chinese)
[5] 王璐.沸石13XAPG吸附分离CO2-N2混合气过程研究及其应用[D].上海:华东理工大学,2013.WANG Lu.Investigation and Application of CO2/N2 Separation by Adsorption Process using Zeolite 13XAPG[D].Shanghai:East China University of Science and Technology,2013.(in Chinese)
[6] LIU Zhen,Grande C A,LI Ping,et al.Adsorption and desorption of carbon dioxide and nitrogen on zeolite 5A[J].Sep Sci Technol,2011,46(3):434-451.
[7] Cavenati S,Grande C A,Rodrigues A E.Adsorption equilibrium of methane,carbon dioxide,and nitrogen on zeolite 13X at high pressure[J].J Chem Eng Data,2004,49(4):1095-1101.
[8] ZHOU Chongyang,FENG Shujuan,ZHOU Guoqing,et al.The behavior of xenon dynamic adsorption on granular activated carbon packed bed adsorber[J].J Radional Nucl Chem,2011,287:609-616.
[9] Wood G O.A review of the effects of covapors on adsorption rate coefficients of organic vapors adsorbed onto activated carbon from flowing gases[J].Carbon,2002,40:685-694.
[10] Wood G O.Quantification and application of skew of breakthrough curves for gases and vapors eluting from activated carbon beds[J].Carbon,2002,40:1883-1890.
[11] Nakayama Y,Nagao H,Mochida I,et al.Adsorption of radon on active-carbon[J].Carbon,1994,32:1544-1547.
[12] Siegworth D P,Neulander C K,Pao R T,et al.Measurement of dynamic adsorption coefficients for noble gases on activated carbon[C]//Proceedings of the 12th AEC Air Cleaning Conference.San Jose,CA,USA:National Technical Information Service,1972:28-47.
[13] Adams R E,Browning W E.Ackley R D,et al.Containment of radioactive fission gases by dynamic adsorption[J].Ind Eng Chem,1959,51:1467-1470.
[1] 齐国杰, 王淑娟, 高巨宝, 刘今朝, 赵博, 禚玉群, 陈昌和. 氨水溶液同时吸收烟气中SO2和CO2的实验及模拟[J]. 清华大学学报(自然科学版), 2016, 56(8): 885-892.
[2] 潘文卿, 张润君, 潘元鸽. 中国内陆与沿海的CO2排放:基于最终产品生产的不同视角[J]. 清华大学学报(自然科学版), 2016, 56(4): 417-423.
Viewed
Full text


Abstract

Cited

  Shared   
  Discussed   
版权所有 © 《清华大学学报(自然科学版)》编辑部
本系统由北京玛格泰克科技发展有限公司设计开发 技术支持:support@magtech.com.cn