| 低温吸附泵用椰壳活性炭的性能测试 |
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| 引用本文： | 谢远来,汪明明,陶玲,胡纯栋,蒋才超,赵晶晶,陈长琦. 低温吸附泵用椰壳活性炭的性能测试[J]. 低温与超导, 2010, 38(1) |
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| 作者姓名： | 谢远来 汪明明 陶玲 胡纯栋 蒋才超 赵晶晶 陈长琦 |
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| 作者单位： | 中国科学院等离子体物理研究所,合肥,230031;中国科学院等离子体物理研究所,合肥,230031;合肥工业大学真空科学技术与装备工程研究所,合肥,230009;合肥工业大学真空科学技术与装备工程研究所,合肥,230009 |
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| 基金项目： | 国家自然科学基金项目(10875146)资助;;中国科学院知识创新工程青年人才领域专项前沿项目资助 |
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| 摘 要： | 活性炭的比表面积、孔径及分布是影响液氦低温吸附泵抽氢、氦性能的关键因素。为了确定制作液氦低温吸附泵的吸附剂,选取了C1、C2、C3、C4四种椰壳活性炭,用比表面积及孔径分析仪测定了其等温吸附性能,并对实验数据进行了针对性分析,获得了各活性炭的比表面积、微孔比表面积份额、不同孔径所对应的孔容等性能数据。结果表明,四种活性炭中C2最适于做为抽氢、氦的液氦低温吸附泵的吸附剂。
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| 关 键 词： | 吸附 活性炭 比表面积 孔径分布 |
Performance test of activated coconut carbon for cryoadsorption pump |
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| Xie Yuanlai,Wang Mingming,Tao Ling,Hu Chundong,Jiang Caichao,Zhao Jingjing,Chen Changqi. Performance test of activated coconut carbon for cryoadsorption pump[J]. Cryogenics and Superconductivity, 2010, 38(1) |
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| Authors: | Xie Yuanlai Wang Mingming Tao Ling Hu Chundong Jiang Caichao Zhao Jingjing Chen Changqi |
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| Affiliation: | 1.Institute of Plasma Physics;The Chinese Academy of Sciences;Hefei 230031;China;2.Institute of Vacuum Science and Technology and Equipment;Hefei University of Technology;Hefei 230009;China |
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| Abstract: | The specific area,pore size and its distribution of activated carbon are key factors which determine the pumping performance of liquid helium cryoadsorption pump for pumping hydrogen and helium gas.In order to determine the suitable adsorbent for cryoadsorption pump,coconut shell activated carbon marked C1,C2,C3,C4 were chosen and their Absorption performance at constant temperature were tested by using a surface area and pore size analyzer.The experiment data were analyzed and the specific area,pore size a... |
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| Keywords: | Adsorption Activated carbon Specific surface area Distribution of aperture |
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