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R and D Note: Separation of a Nitrogen-Carbon Dioxide Mixture by Rapid Pressure Swing Adsorption

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Abstract

A N2-CO2 mixture is separated in a rapid pressure swing adsorption apparatus, which consists of single or double adsorbent beds filled with silica gel and operates in the sequence of adsorption, backflow and desorption. Nitrogen-rich gas is produced at the top of the bed, and carbon dioxide-rich gas at the bottom. Carbon dioxide purity of 89.5% and recovery of 70% were obtained in the single-bed apparatus, while purity of 93.5% and recovery of 72.3% were obtained in the double-bed apparatus. The feed in both cases consisted of 81% N2 and 19% CO2.

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Authors and Affiliations

  1. Chemical Engineering Research Institute, South China University of Technology, Guangzhou, 510641, P.R. China

    Zhixiong Zhang, Jianyu Guan & Zhenhua Ye

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  1. Zhixiong Zhang
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  2. Jianyu Guan
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  3. Zhenhua Ye
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Zhang, Z., Guan, J. & Ye, Z. R and D Note: Separation of a Nitrogen-Carbon Dioxide Mixture by Rapid Pressure Swing Adsorption. Adsorption 4, 173–177 (1998). https://doi.org/10.1023/A:1008831320761

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  • DOI: https://doi.org/10.1023/A:1008831320761

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