采用共沉淀-喷雾干燥组合技术合成了高比表面积的钙钛矿型锰酸镧锶复合氧化物催化剂粉体材料,对粉体材料进行了XRD、SEM、BET和粒度等表征,700℃煅烧4h,催化剂粉体比表面积达到54.45m2/g,对CO的起燃温度T10=53.5℃,完全燃烧温度T90=136.6℃,显示出很好的催化活性.
参考文献
| [1] | Milt VG;Ulla MA;Miro EE .NOx trapping and soot combustion on BaCoO3-y perovskite: LRS and FTIR characterization[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2005(1):13-21. |
| [2] | Ciambelli P.;De Rossi S.;Lisi L.;Minelli G.;Porta P.;Russo G.;Cimino S. .AFeO(3) (A = La, Nd, Sm) and LaFe1-xMgxO3 perovskites as methane combustion and CO oxidation catalysts: structural, redox and catalytic properties[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2001(4):239-250. |
| [3] | A.Gil;L.M.Gandia;S.A.Korili .Effect of the temperature of calcination on the catalytic performance of manganese- and samarium-manganese-based oxides in the complete oxidation of acetone[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2004(1/2):229-235. |
| [4] | Falcón H;Barbero J A;Araujo G et al.Double perovskite oxides A2FeMoO6-δ (A=Ca,Sr and Ba) as catalysts for methane combustion[J].Applied Catalysis B:Environmental,2004,53(01):37-45. |
| [5] | Barbara Kucharczyk;Wlodzimierz Tylus .Effect of Pd or Ag additive on the activity and stability of monolithic LaCoO_3 perovskites for catalytic combustion of methane[J].Catalysis Today,2004(1/2):121-126. |
| [6] | Andrea Civera;Matteo Pavese;Guido Saracco .Combustionsynthesis of perovskite-type catalysts for natural gas combustion[J].Catalysis Today,2003,83(1-4):199-211. |
| [7] | Baiker A;Marti P E;Keusch P et al.Influence of the A-site cation in ACoO3(A = La,Pr,Nd,and Gd) perovskite-type oxides on catalytic activity for methane combustion[J].Journal of Catalysis,1994,146(01):268-276. |
| [8] | Yasumoto K.;Inagaki Y.;Shiono M.;Dokiya M. .An (La,Sr)(Co,Cu)O3-delta cathode for reduced temperature SOFCs[J].Solid state ionics,2002(3/4):545-549. |
| [9] | Badwal S P S;Jiang S P;Love J.Chemical diffusion in perovskite cathodes of solid oxide fuel cells:the Sr doped LaMn1-xMxO3(M=Co,Fe) systems[J].Ceramics International,2001(27):419-429. |
| [10] | Hartley A;Sahibzada M;Weston M et al.La0.6Sr0.4Co0.2Fe0.8O3 as the anode and cathode for intermediate temperature solid oxide fuel cells[J].Catalysis Today,2000,55:197-204. |
| [11] | 高正中.实用催化[M].北京:化学工业出版社,1996:207. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%