CaO-La_2O_3-NiO/γ-Al_2O_3催化剂上甲烷部分氧化制合成气研究  

Study of Partial Oxidation of Methane to Syngas over CaO-La_2O_3-NiO/γ-Al_2O_3 Catalyst

作　　者：谭炯[1] 李晖[1] 余林[2] 万家义[2] 冯成东 

机构地区：[1]西南民族学院化学系,成都610041 [2]四川大学化学学院,成都610064

出　　处：《西南民族学院学报（自然科学版）》2000年第3期296-299,共4页Journal of Southwest Nationalities College(Natural Science Edition)

摘　　要：采用微型固定床流动反应装置研究了在La2 O3 NiO/γ Al2 O3 催化剂上添加CaO对甲烷部分氧化制合成气的影响 .结果表明 ,添加CaO后 ,催化剂活性明显提高 ,引发温度降低 ,CH4的转化率和CO的选择性升高 ,1 %CaO 2 %La 1 2 %Ni/γ Al2 O3 是较适宜的催化剂在中低温区 ,随反应温度升高 ,CH4的转化率和CO的选择性升高 ,催化反应的适宜温度为 6 0 0℃～70 0℃ .Partial oxidation of methane to syngas has been studied over La 2O 3 NiO/γ Al 2O 3 catalyst promoted with CaO by using micro fixed bed flow reactor.It shows that the catalytical activity of containing Ca catalyst increases,ignition temperature decreases,coversion rate of CH 4 and selectivity of CO increase.2%La 12%Ni/γ Al 2O 3 catalyst promoted with 1% CaO fits for partial oxidation of CH 4 to syngas.The coversion rate of CH 4 and selectivity of CO increase with temperature between low and middle temperaure range.The catalytical reaction fits for happening at 600 700℃.

关 键 词：CaO-La2O3-NiO/γ-Al2O3催化剂 甲烷 部分氧化 合成气 氧化钙 催化反应 催化活性 

分 类 号：TE665.3[石油与天然气工程—油气加工工程] TE624.9