采用共沉淀法制备了Ce-Zr-O载体,通过等体积浸渍法得到碱金属碳酸盐掺杂的M2CO3/Ce-Zr-O(M=Li,Na,K)催化剂.采用自制的小型固定床反应器考察了催化剂的甲烷转化催化活性,并利用XRD和H2-TPR对催化剂进行了表征.研究结果表明,碱金属碳酸盐的添加均不同程度地提高了Ce-Zr-O催化剂的催化活性、抗积碳性能和抗烧结性能,还改善了催化剂表面氧物种和体相氧物种的氧化还原性能.
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