考察了微量Mn2+离子在NaHCO3溶液中催化H2O2氧化降解有机污染物的性能.结果表明,NaHCO3,MnCl2和H2O2浓度分别为25,0.1和100mmol/L时,在25℃下反应180min后亚甲基蓝可完全脱色,化学耗氧量和总有机碳去除率分别达到44.0%和13.8%.该催化体系对甲基橙、罗丹明B以及垃圾渗滤液等都有较好去除效果.紫外-可见光谱分析及反应动力学测试表明,MnⅣ=O是该催化体系主要活性物种.
参考文献
| [1] | Caudo S;Centi G;Genovese C;Perathoner S .[J].Topics in Catalysis,2006,40:207. |
| [2] | Sorokin A;Suzzoni-Dezard S;Poullain D;Noel J P Meunier B .[J].Journal of the American Chemical Society,1996,118:7410. |
| [3] | Sen Gupta S;Stadler M;Noser C A;Ghosh A Steinhoff B Lenoir D Horwitz C P Schramm K W Collins T J .[J].Science,2002,296:326. |
| [4] | Yuranova T;Enea O;Mielczarski E;Mielczarski J Albers P Kiwi J .[J].Applied Catalysis B:Environmental,2004,49:39. |
| [5] | Richardson D E;Yao H R;Frank K M;Bennett D A .[J].Journal of the American Chemical Society,2000,122:1729. |
| [6] | Balagam B;Richardson DE .The mechanism of carbon dioxide catalysis in the hydrogen peroxide n-oxidation of amines[J].Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics,2008(3):1173-1178. |
| [7] | Yao HR.;Richardson DE. .Epoxidation of alkenes with bicarbonate-activated hydrogen peroxide[J].Journal of the American Chemical Society,2000(13):3220-3221. |
| [8] | Liang SX;Zhao LX;Zhang BT;Lin JM .Experimental studies on the chemiluminescence reaction mechanism of carbonate/bicarbonate and hydrogen peroxide in the presence of cobalt(II)[J].The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory,2008(4):618-623. |
| [9] | Lin JM;Liu ML .Singlet oxygen generated from the decomposition of peroxymonocarbonate and its observation with chemiluminescence method[J].Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy,2009(1):126-132. |
| [10] | 尹国川;徐爱华;熊辉 .[P].CN10 061 122,2009. |
| [11] | Tgsaki T;Wada T;Fujimoto K;Kai S Ohe K Oshima T Baba Y Kukizaki M .[J].Journal of Hazardous Materials,2009,162:1103. |
| [12] | Liao C H;Kang S F;Wu F N .[J].Chemosphere,2001,44:1193. |
| [13] | Ember E;Rothbart S;Puchta R;van Eldik R .[J].New Journal of Chemistry,2009,33:34. |
| [14] | Ember E;Gazzaz H A;Rothbart S;Puchta R van Eldik R .[J].Applied Catalysis B:Environmental,2010,95:179. |
| [15] | Lane BS.;Vogt M.;DeRose VJ.;Burgess K. .Manganese-catalyzed epoxidations of alkenes in bicarbonate solutions[J].Journal of the American Chemical Society,2002(40):11946-11954. |
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%