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http://dx.doi.org/10.17137/korrae.2020.28.4.43

Suitability of Counter-current Model for Biogas Separation Processes using Cellulose Acetate Hollow Fiber Membrane  

Jung, Sang-Chul (Environmental New Business Center, Environmental Technology Division, Korea Testing Laboratory)
Kwon, Ki-Wook (Environmental New Business Center, Environmental Technology Division, Korea Testing Laboratory)
Jeon, Mi-Jin (Environmental New Business Center, Environmental Technology Division, Korea Testing Laboratory)
Jeon, Yong-Woo (Environmental New Business Center, Environmental Technology Division, Korea Testing Laboratory)
Publication Information
Journal of the Korea Organic Resources Recycling Association / v.28, no.4, 2020 , pp. 43-52 More about this Journal
Abstract
As the membrane gas separation technology grows, various models were developed by numerous researchers to describe the separation process. In this work, the counter-current model was compared thoroughly with experimental data. Experimentally, hollow fiber membrane using CA module was prepared for the separation of biogas. The pure gas permeation properties of membrane module for methane, nitrogen, oxygen, and carbon dioxide were measured. The permeance of CO2 and CH4 were 25.82 GPU and 0.65 GPU, respectively. The high CO2/CH4 selectivity of 39.7 was obtained. the separation test for three different simulated mixed gases were carried out after pure gas test, and the gas concentration of the permeate at various stage-cut were measured from CA membrane module. Results showed that the experimental data agreed with the numerical simulation. A mathematical model has implemented in this study for the separation of biogas using a membrane module. The finite difference method (FDM) is applied to calculate the membrane biogas separation behaviors. Futhermore, the counter-current model can be considered as a convenient model for biogas separation process.
Keywords
Anaerobic digestion; Biogas upgrading; Biogas; Membrane; Counter-currnet flow model;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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