采用浸渍焙烧法分别制备了Fe2O3/γ-Al2O3和Ce改性的Fe2O3/γ-Al2O3催化剂,采用BET、XRD、XPS和XRF对其结构进行了表征,并用于常温常压CWPO工艺中,考察了Ce的掺杂对Fe2O3/γ-Al2O3催化剂催化活性和稳定性的影响.结果表明,Ce的掺杂提高了活性组分在载体表面的分散度,在相同的CWPO工艺条件下,Ce的掺杂使得Fe2O3/γ-Al2O3催化剂处理偶氮染料废水的催化活性提高了10%左右.
参考文献
| [1] | Golka K;Kopps S;Myslak ZW .Carcinogenicity of azo colorants: influence of solubility and bioavailability.[J].Toxicology Letters: An International Journal Providing a Forum for Original and Pertinent Contributions in Toxicology Research,2004(1):203-210. |
| [2] | Chen I P;Lin S S;Wang C H et al.[J].Applied Catalysis B:Environmental,2004,50:49-58. |
| [3] | Luck F .[J].Catalysis Today,1999,53:81-91. |
| [4] | Neamtu M;Catrinescu C;Kettrup A .[J].Applied Catalysis B:Environmental,2004,51:149-157. |
| [5] | Gould D M;Griffith W P;Spiro M .[J].Journal of Molecular Catalysis A:Chemical,2001,175:289-291. |
| [6] | 杨少霞,冯玉杰,蔡伟民,孙晓君,万家峰.CeO2对RuO2/γ-Al2O3催化剂湿式氧化降解苯酚性能的影响[J].材料工程,2003(11):32-35,39. |
| [7] | 吴玉程,陈挺松,解挺,李广海,郑治祥,张立德.纳米TiO2稀土元素掺杂改性与光催化性能研究[J].功能材料,2005(01):124-126. |
| [8] | Hung C M;Lou J C;Lin C H .[J].CHEMOSPHERE,2003,52:989-995. |
| [9] | Silva AMT.;Marques RRN.;Quinta-Ferreira RM. .Catalysts based in cerium oxide for wet oxidation of acrylic acid in the prevention of environmental risks[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2004(4):269-279. |
| [10] | Wagner C D;Riggs W M;Davis L E.Handbook of X-Ray Photoelectron Spectroscopy[M].Minn:PerkinElmer Corporation,Physical Electronics Division,Eden Prairie,1979:55344. |
| [11] | Tan B J;Klabunde K J;Sherwood P M A .[J].Chemistry of Materials,1990,2(02):186-191. |
| [12] | Dauscher A;Hilaire L;LeNormand F et al.[J].Surface and Interface Analysis,1990,16:341-346. |
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%