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Adsorption dynamics and effects of carbon to zeolite ratio of layered beds for multicomponent gas adsorption

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Abstract

To optimize the performance of an adsorption bed, layered beds of activated carbon and zeolite 5A are used for multicomponent gas separation (H2: 72.2%, CO2: 21.6%, CO: 2.03%, CH4: 4.17%). The adsorption dynamic characteristics were studied experimentally and theoretically using layered beds of activated carbon and zeolite 5A at 8 atm adsorption pressure and 16.67 L/min feed rate. Non-isothermal and non-adiabatic models, based on a linear driving force model and Dual-Site Langmuir adsorption isotherm model, were used. As the carbon ratio increased, the average velocity of CH4 wavefront became slow, and wavefronts of CO and CO2 propagated quickly on average.

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Authors and Affiliations

  1. Fuel Cell Center, Korea Institute of Science & Technology, 39-1 Hawolgok-dong, Seongbuk-gu, Seoul, 136-791, Korea

    Seong-Cheol Jang, Se-Il Yang & Dae-Ki Choi

  2. Major in Chemical Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul, 133-791, Korea

    Seong-Cheol Jang & Seong-Geun Oh

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  1. Seong-Cheol Jang
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  2. Se-Il Yang
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  3. Seong-Geun Oh
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  4. Dae-Ki Choi
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Correspondence to Dae-Ki Choi.

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Jang, SC., Yang, SI., Oh, SG. et al. Adsorption dynamics and effects of carbon to zeolite ratio of layered beds for multicomponent gas adsorption. Korean J. Chem. Eng. 28, 583–590 (2011). https://doi.org/10.1007/s11814-010-0399-9

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  • DOI: https://doi.org/10.1007/s11814-010-0399-9

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