研究了混合导体透氧膜材料SrFeCo0.5O3-δ(SFCO)用于焦炉煤气(COG)部分氧化重整制氢的可行性.在不同浓度CH4条件下进行了重整实验,利用SEM技术对重整实验前后透氧膜SFCO的表面形貌进行了观察,通过XRD研究了SFCO材料在重整实验前后和不同气氛处理下的相成分变化.研究结果表明,在甲烷条件下,SFCO透氧膜片的透氧量达到了5ml*cm-2*min-1.纯甲烷重整气氛下可稳定工作的SFCO透氧膜反应器,通入富氢焦炉煤气(约含57%H2)后SFCO膜片破裂.焦炉煤气重整实验后的SFCO透氧膜重整侧出现金属Fe及少量Sr4Fe3O10-x相,空气侧则出现了Co及少量Fe、Sr4Fe3O10-x相.SFCO透氧膜材料粉体在5%CH4/Ar,5%H2/Ar及5%COG/Ar气氛下进行了气氛处理,并用XRD对处理后的物相进行了检测.由透氧实验现象及气氛处理的检测结果可知,在焦炉煤气等含高H2的原料气氛下,透氧膜材料SFCO更容易被还原破坏.透氧膜材料SFCO不适合用于富氢焦炉煤气部分氧化重整制氢的膜反应器.
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