Cryogenic Adsorption of Nitrogen and Carbon Dioxide in Activated Carbon

被引：3

作者：

Shen, Fuzhi ^{[1
,2
]}

Liu, Huiming ^{[1
]}

Xu, Dong ^{[1
]}

Zhang, Hengcheng ^{[1
,2
]}

Lu, Junfeng ^{[1
]}

Li, Laifeng ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Tech Inst Phys & Chem, State Key Lab Technol Space Cryogen Propellants, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

1ST ASIAN ICMC & CSSJ 50TH ANNIVERSARY CONFERENCE | 2017年 / 897卷

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1088/1742-6596/897/1/012012

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Activated carbon have been used for a long time at low temperature for cryogenic applications. The knowledge of adsorption characteristics of activated carbon at cryogenic temperature is essential for some specific applications. However, such experimental data are very scare in the literature. In order to measure the adsorption characteristics of activated carbon under variable cryogenic temperatures, an adsorption measurement device was presented. The experiment system is based on the commercially available PCT-pro adsorption analyzer coupled to a two-stage Gifford McMahon refrigerator, which allows the sample to be cooled to 4.2K. Cryogenic environment can be maintained steadily without the cryogenic liquid through the cryocooler and temperature can be controlled precisely between 5K and 300K by the temperature controller. Adsorption measurements were performed in activated carbon for carbon dioxide and nitrogen and the adsorption isotherm were obtained.

引用

页数：6

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