采用共沉淀法制备了Ce-Fe-Zr-O(x)/Al2O3氧载体.在固定床反应器中进行了氧载体的选择性氧化甲烷制合成气活性评价,通过XRD、BET、H2-TPR等手段对氧载体进行了表征.结果表明,Al2O3负载型氧载体与纯活性组分相比有着更高的比表面积,载体的存在改善了活性组分的分散性,提高了氧载体的整体热稳定性和抗烧结能力；氧载体存在吸附氧、表面晶格氧和体相晶格氧3种氧物种,其中体相晶格氧高温下能够持续释放,并能将甲烷选择性氧化成合成气；程序升温和等温活性评价实验表明,x=20％的氧载体具有较高的CH4转化率和CO、H2选择性以及合适的n(H2)/n(CO).
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