Influence of chromium in metallic components on oxygen permeability and microstructure of BaCo0.7Fe0.2Nb0.1O3−δ membrane
作者： Yuwen Zhang , Chenchen Yu , Lili Zhang , Kun Su , Chengzhang Wu
DOI: 10.1016/J.MEMSCI.2015.06.033
关键词: Oxygen 、 Spinel 、 Microstructure 、 Inorganic chemistry 、 Membrane 、 Chromium 、 Membrane reactor 、 Permeation 、 Materials science 、 Oxygen permeability
摘要: Abstract The influence of chromium in metal components on oxygen permeation and microstructure BaCo 0.7 Fe 0.2 Nb 0.1 O 3− δ (BCFNO) membrane was investigated under the condition oxygen-permeable reactors. In presence chromia-forming components, flux decreased by about 2.4% 10% when using dry air humidified (4% H 2 O) for 100 h at 850 °C, respectively. alloys permeate side, 7% within 100 h. Due to deposition volatile Cr species from formation spinel phases BaCrO 4 BaCr surfaces, performance reactors deteriorated continuously as a function time. Poisoning is also critical issue application MIEC
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