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H2O对空间站5A分子筛CO2去除性能影响

杨东升 刘猛 庞丽萍 余青霓 黄勇

杨东升, 刘猛, 庞丽萍, 等 . H2O对空间站5A分子筛CO2去除性能影响[J]. 北京航空航天大学学报, 2015, 41(8): 1485-1491. doi: 10.13700/j.bh.1001-5965.2014.0580
引用本文: 杨东升, 刘猛, 庞丽萍, 等 . H2O对空间站5A分子筛CO2去除性能影响[J]. 北京航空航天大学学报, 2015, 41(8): 1485-1491. doi: 10.13700/j.bh.1001-5965.2014.0580
YANG Dongsheng, LIU Meng, PANG Liping, et al. H2O impact on CO2 removal performance of 5A molecular sieve in space station[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(8): 1485-1491. doi: 10.13700/j.bh.1001-5965.2014.0580(in Chinese)
Citation: YANG Dongsheng, LIU Meng, PANG Liping, et al. H2O impact on CO2 removal performance of 5A molecular sieve in space station[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(8): 1485-1491. doi: 10.13700/j.bh.1001-5965.2014.0580(in Chinese)

H2O对空间站5A分子筛CO2去除性能影响

doi: 10.13700/j.bh.1001-5965.2014.0580
基金项目: 人因工程重点实验室开放基金(SYFD140051811K)
详细信息
    作者简介:

    杨东升(1986-),男,山东菏泽人,博士研究生,xingyewuhen@163.com

    通讯作者:

    余青霓(1971-),女,安徽黄山人,副研究员,yuqingni@139.com,主要研究方向为载人航天器舱室内大气净化技术.

  • 中图分类号: V444.3+4

H2O impact on CO2 removal performance of 5A molecular sieve in space station

  • 摘要: 为进一步研究分子筛CO2去除系统应用于空间站的工作可靠性和鲁棒性,针对空间站4床分子筛(4-BMS)系统中可能出现的湿度失效保护问题展开了实验研究.测试了两种载人航天分子筛材料TC-5A与PSA-5A,研究了不同相对湿度对CO2吸附性能的影响;比较了相同湿度条件下,进口气体CO2浓度、粒径及吸附温度的变化对分子筛吸附CO2性能的影响,采用不同实验方法探究了H2O和CO2在两种分子筛材料中的竞争吸附关系.结果表明:PSA-5A吸附CO2性能优于TC-5A,但对H2O的吸附率略低于TC-5A.H2O的存在对分子筛吸附CO2影响非常大,空气中相对湿度达到60%时,分子筛基本失去了吸附CO2的能力.此外,温度升高会造成CO2的吸附量显著下降,但对H2O的吸附量影响相对较小,尤其是当相对湿度较高时.这对中国未来长期运行的空间站分子筛CO2去除系统工作有效性与工作鲁棒性的评价具有指导意义.

     

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出版历程
  • 收稿日期:  2014-09-22
  • 网络出版日期:  2015-08-20

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