Perovskite oxide based composite hollow fiber membrane for CO2 transport
Source abstract
Abstract
Abstract Membrane technologies have been widely investigated for CO2 separation, especially inorganic membranes which could overcome the barrier of low melting point, and then been applied for combustion activities. Compared with molecular sieving membranes (MSMs), the mechanism during CO2 separation process on electrolyte membranes (EMs) is more complicated. Mixed ionic and electronic conductors, such as perovskite oxides, has been proved with superior activity than oxygen ion conductors because of the additional surface reaction path. To further demonstrate the applicability of perovskite oxides contained membrane for CO2 separation, in this work, CO2 transport via La0.6Sr0.4Co0.2Fe0.8O3-δ and carbonates composite membrane with hollow fiber microstructure was thoroughly investigated under various gas flow directions. This membrane presents the best permeability when CO2+N2 (feed gas) flows at shell side and He (sweep gas) flows at tube side in parallel model. In addition, it also presents excellent thermal shock resistance after six times rising and cooling operation with almost no performance degradation.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advancements in Solid Oxide Fuel Cells · Thermal Expansion and Ionic Conductivity · Membrane Separation and Gas Transport
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (49)
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