以介孔分子筛SBA-15为载体,采用等体积浸渍法分别制备了不同V负载量(4％- 15％(质量分数))的V2O5/SBA-15及经过铈掺杂后的V2O5-CeO2/SBA-15催化剂,考察了催化剂对氯苯的催化燃烧性能,用XRD,UV-vis,SEM和TEM对催化剂进行了表征.活性评价结果表明,当V质量分数在10％时的V2O5/SBA-15催化剂对氯苯催化燃烧性能最好,在掺杂10％的稀土Ce后,催化燃烧氯苯的活性得到明显提高.表征结果表明,V2O5和CeO2均分散在SBA-15的孔道骨架上,没有破坏SBA-15的中孔结构.
参考文献
| [1] | Domeno C;Lafuente A R;Martos J M;Bilbao R Nerin C.VOC removal and deodorization of effluent gases from an industrial plant by photo-oxidation,chemical oxidation,and ozonization[J].Environmental Science and Technology,2010(44):2585. |
| [2] | Fan Y;Lu X B;Ni Y W;Zhang H J Zhu M W Li Y Chen J P .Catalytic destruction of chlorinated aromatic pollutants over mesoporous Cux Mg1-xAl2O4 spinel oxides[J].Applied Catalysis B:Environmental,2011,101:606. |
| [3] | Morselli L;Luzi J;Robertis C D;Robertis C D Vassura I Carrillo V Passarini F .Assessment and comparison of the environmental performances of a regional incinerator network[J].Waste Management,2007,27:S85. |
| [4] | Parshetti G K;Doong R A .Dechlorination and photodegradation of trichloroethylene by Fe/TiO2 nanocomposites in the presence of nickel ions under anoxic conditions[J].Applied Catalysis B:Environmental,2010,100:116. |
| [5] | Field, JA;Sierra-Alvarez, R .Microbial degradation of chlorinated dioxins[J].Chemosphere,2008(6):1005-1018. |
| [6] | Asnin L;Fedorov A;Yakusheva D .Adsorption of chlorobenzene vapor on V2O5/A12O3 catalyst under dynamic conditions[J].Adsorption Journal of the International Adsorption Society,2008,14:771. |
| [7] | Tian W;Fan X Y;Yang H S;Zhang X B .Preparation of MnOx/TiO2 composites and their properties for catalytic oxidation of chlorobenzene[J].Journal of Hazardous Materials B:Environmental Technologies,2010,177:887. |
| [8] | De la Rosa JR;Hernandez A;Rojas F;Ledezma JJ .Sol-gel synthesis and characterization of novel La, Mn and Fe doped zirconia: Catalytic combustion activity of trichloroethylene[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2008(1/3):147-155. |
| [9] | Delannoy L;Fajerwerg K;Lakshmanan P;Potvin C Methivier C Louis C.Supported gold catalysts for the decomposition of VOC:Total oxidation of propene in low concentration as model reaction[J].Applied Catalysis B:Environmental,2010(94):117. |
| [10] | Ousmane M;Liotta L F;Carlo G D;Pantaleo G Venezia A M Deganello G Retailleau L Boreave A Fendler A G .Supported Au catalysts for low-temperature abatement of propene and toluene,as model VOCs:Support effect[J].Applied Catalysis B:Environmental,2011,101:629. |
| [11] | Nangoi I M;Kiyohara P K;Rossi L M .Catalytic hydrodechlorination of chlorobenzene over supported palladium catalyst in buffered medium[J].Applied Catalysis B:Environmental,2010,100:42. |
| [12] | Hetrick C E;Patcas F;Amiridis M D .Effect of water on the oxidation of dichloroberzene over V2O5/TiO2 catalysts[J].Applied Catalysis B:Environmental,2011,101:622. |
| [13] | Lee J E;Jurng J .Catalytic conversions of polychlorinated benzenes and dioxins with low-chlorine using V2O5/TiO2[J].Catalysis Letters,2008,120:194. |
| [14] | Debecker D P;Delaigle R;Bouchmella K;Eloy P Gaigneaux E M Mutin P H .Total oxidation of benzene and chlorobenzene with MoO3-and WO3-promoted V2O5/TiO2 catalysts prepared by a nonhydrolytic sol-gel route[J].Catalysis Today,2010,157:125. |
| [15] | Wolfovich M A;Landau M V;Brenner A;Herskowitz M .Low temperature combustion of 2,4,6-trichlorphenol in catalytic wet oxidation with nanocasted Mn-Ce-oxide catalyst[J].Journal of Catalysis,2007,247:201. |
| [16] | Wu M;Wang X Y;Dai Q G;Li D .Catalytic combustion of chlorobenzene over Mn-Ce/Al2O3 catalyst promoted by Mg[J].Catalyst Communication,2010,11:1022. |
| [17] | Zhao D Y;FengJ L;Huo Q S;Melosh N Fredrickson G H Chmelka B F Stucky G D .Triblock copolymer syntheses of mesoporous silica with periodic 50 to 300 angstrom pores[J].Science,1998,279:548. |
| [18] | Gao F;Zhang Y H;Wan H Q;Kong Y Wu X C Dong L Li B Q Chen Y .The states of vanadium species in V-SBA-15 synthesized under different pH values[J].Microporous and Mesoporous Materials,2008,110:508. |
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%