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OALib Journal期刊
ISSN: 2333-9721
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铈铝复合载体对钼基催化剂耐硫甲烷化催化性能的研究
, PP. 1390-1396
Keywords: 氧化铈,氧化铝,复合载体,钴钼催化剂,耐硫甲烷化
Abstract:
？采用共沉淀法、浸渍法和沉积沉淀法制备了ceo2-al2o3复合载体,比较了不同复合载体浸渍钴钼后的耐硫甲烷化催化性能,并优化了复合载体中ceo2的含量。结合n2物理吸附、xrd、h2-tpr等表征手段对复合载体及其负载的钴钼催化剂进行物相和结构分析发现,在al2o3中添加ceo2可以明显提高合成气的耐硫甲烷化活性,其中,沉积沉淀法制备的25%ceo2-al2o3复合载体负载钴钼后具有最佳催化活性。
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