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Study on Hydrogen/Helium and Hydrogen/Nitrogen Separation Properties of SOD Zeolite Membrane

Authors： GAO Yang, CHEN chang’an, WANG Xiaofang, SONG Yaqi, GUO Yakun, Rao Yongchu, FENG Xingwen,

Units： (Science and Technology on Surface Physics and Chemistry Laboratory, Mianyang 621908)

KeyWords： In this paper, the permeation properties of H2, He and N2 in the supported sodalite(SOD) zeolite membrane at 25 - 150 °C were studied. The results showed that at 25 ℃ and 40 kPa, the single component permeances of H2, He and N2 gases are 4.749×10-6, 2.190×10-6 and 1.128×10-6 mol·m-2·s-1·Pa-1, and the ideal separation factors for H2/He and H2/N2 are 2.17 and 4.21, which are higher than the corresponding values of Knudsen diffusion. In the temperature range of 25 - 150 oC, the ideal separation factors for H2/He and H2/N2 were found to increase slightly with increasing temperature (from 2.17 to 3.18, and from 4.21 to 5.46), respectively.

ClassificationCode：0611

year,volume(issue):pagination： 2018,38(5):31-37

Abstract：

In this paper, the permeation properties of H2, He and N2 in the supported sodalite(SOD) zeolite membrane at 25 - 150 °C were studied. The results showed that at 25 ℃ and 40 kPa, the single component permeances of H2, He and N2 gases are 4.749×10-6, 2.190×10-6 and 1.128×10-6 mol·m-2·s-1·Pa-1, and the ideal separation factors for H2/He and H2/N2 are 2.17 and 4.21, which are higher than the corresponding values of Knudsen diffusion. In the temperature range of 25 - 150 oC, the ideal separation factors for H2/He and H2/N2 were found to increase slightly with increasing temperature (from 2.17 to 3.18, and from 4.21 to 5.46), respectively.

Funds：

国家磁约束核聚变能发展研究专项（2015GB109004）; 国家自然科学基金（21401174）

AuthorIntro：

第一作者简介：高洋:1991年生，男，硕士，主要研究方向为分子筛膜的合成与性能研究，E-mail: GY_9112@163.com。*通讯作者，E-mail：王晓方，wangxf_spc@163.com；陈长安，chenchangan@caep.cn

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