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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2020.30.6.443

Development of High-Durability Ceramic Hollow Fiber and Performance Evaluation of Contact Membrane Process according to Pressure Conditions  

Lee, Seung Hwan (Department of Chemical and Biochemical Engineering, Dongguk University)
Jeong, Byeong Jun (Department of Chemical and Biochemical Engineering, Dongguk University)
Shin, Min Chang (Department of Chemical and Biochemical Engineering, Dongguk University)
Zhuang, Xuelong (Department of Chemical and Biochemical Engineering, Dongguk University)
Jung, Jiwon (Department of Chemical and Biochemical Engineering, Dongguk University)
Lee, Yeon Jun (Department of Chemical and Biochemical Engineering, Dongguk University)
Won, Dongyeon (Department of Chemical and Biochemical Engineering, Dongguk University)
Park, Jung Hoon (Department of Chemical and Biochemical Engineering, Dongguk University)
Publication Information
Membrane Journal / v.30, no.6, 2020 , pp. 443-449 More about this Journal
Abstract
In this study, CO2 separation experiment was performed on a CH4/CO2 mixed gas using a ceramic hollow fiber membrane contactor module (HFMC). In order to fabricate high-durability HFMC, a high-durability hollow fiber membrane was prepared and evaluated. HFMC was fabricated using the prepared hollow fiber membrane, and the experiment used a mixture of CH4/CO2 (30% CO2, CH4 balance) and monoethanolamine (MEA). During HFMC operation, the effect of gas and absorbent pressure on the CO2 removal efficiency was evaluated. The CO2 removal efficiency increased as the gas pressure increased, and the CO2 absorption flux also showed a tendency to increase with the liquid flow rate. In addition, when the CO2 absorption rate was less than 40%, LTS-1, a counter-current form where the absorbent enters from the bottom, has higher CO2 removal performance than LTS-2, a countercurrent form in which the absorbent enters from the top. and when the absorption rate was 40% or higher, LTS-2 had higher performance than LTS-1.
Keywords
hollow fiber; membrane contactor; $CO_2$ separation; $CO_2$ removal efficiency;
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