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OALib Journal期刊
ISSN: 2333-9721
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ni-pt/γ-al2o3催化剂用于甲基环己烷催化脱氢的研究
, PP. 1128-1134
Keywords: 甲基环己烷,脱氢反应,ni-pt双金属催化剂,&gamma,-氧化铝,纳米膜
Abstract:
？采用自制的比表面积为349m2/g的纳米膜γ-al2o3为载体,用等体积浸渍法制备了ni-pt/γ-al2o3催化剂,采用比表面积测定、x射线衍射、扫描电镜和透射电镜等手段对所制备的催化剂进行了表征。利用微型连续管式反应器与气相色谱联用装置,考察了ni-pt/γ-al2o3催化剂对甲基环己烷(mch)气相脱氢的催化性能。结果表明,使用20%ni-0.5%pt/γ-al2o3催化剂,在反应温度350℃,混合进样体积空速252h-1条件下,甲苯转化率达到96.99%,选择性接近100%。
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