期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 104, 期 -, 页码 1-7出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2021.08.044
关键词
Plasma; Ceramic hollow fiber membrane; CO2 conversion; Oxygen permeation; Mixed ionic electronic conductor
资金
- project Next Generation Plasma Conversion (NexPlas) [03SF0618C]
- project Plasma-induced CO2-conversion (PiCK) [03SFK2S3]
- German Federal Ministry of Education and Research
Perovskite hollow fibers have been utilized for oxygen extraction from various oxygen-containing plasmas. The study focused on the impact of working length and temperature on oxygen transport, comparing the results with a conventional electrically heated system. The feasibility of oxygen extraction in CO2 plasma was also investigated, achieving significant oxygen permeation values in both air and CO2 plasmas.
Perovskite hollow fibers have been used to extract oxygen from different oxygen containing plasmas. The influence of the working length and the temperature on the oxygen transport of (La0.6Ca0.4)(Co0.8Fe0.2)O3-delta (LCCF) hollow fiber membranes in an air and a CO2 plasma were investigated and compared with a conventional electrically heated oven system at a similar temperature. High-quality LCCF hollow fiber membranes were prepared via phase inversion spinning and sintering. In the CO2 plasma, the feasibility of the oxygen extraction due to the CO2 splitting according to CO2 reversible arrow CO + 1/2 O-2 was studied. For an active membrane length of 0.5 cm, oxygen permeation values of 17.27 ml min(-1) cm(-2) in an air plasma at 0.67 kW and 4.97 ml min(-1) cm(-2) in a CO2 plasma at 1 kW were reached. (C) 2021 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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