采用等体积浸渍法制备了膨胀石墨负载锐钛矿型纳米TiO2.用X射线衍射(xRD)表征了纳米TiO2的晶型,扫描电子显微镜(SEM)研究了膨胀石墨负载纳米TiO2前后的表面形貌.将该复合材料填充到自制的新型光电反应器中,考察了光催化、电催化及光电催化不同降解方法对主要成分是活性蓝的印染废水降解的影响,结果表明,该复合材料对印染废水具有良好的光电催化效应,以0.1 moL/L NaCl作为支持电解质经过光电协同处理后,脱色率达到99.3%,化学需氧量(COD)降低约93.1%,其效率远高于单纯光催化或者电催化的结果.
参考文献
| [1] | Shen M,Wu Z Y,Huang H,et al.Carbon-doped Anatase TiO2 Obtained from TiC for Photocatalysis under Visible Light Irradiation[J].Mater Lett,2006,60(5):693-697. |
| [2] | Ye F X,Tsumura T,Nakata K,et al.Dependence of Photocatalytic Activity on the Compositions and Photo-absorption of Functional TiO2-Fe3O4 Coatings Deposited by Plasma Spray[J].Mater Sci Eng B-Solid,2008,148 (1/3):154-161. |
| [3] | Kim M S,Ryu C S,Kim B W.Effect of Ferric Ion Added on Phtotdegradation of Alachlor in the Presence of TiO2 and UV Radiation[J].Water Res,2005,39(4):525-532. |
| [4] | Hou X G,Liu A D.Modification of Photocatalytic TiO2 Thin Films by Electron Beam Irradiation[J].Radiat Phys Chem,2008,77(3):345-351. |
| [5] | ZHANG Lanhe.YU Dayu.LIU Qiang,et al.Study on Photocatalytic Oxidation of Benzoic Acid with TiO2_xNx[J].Environ Prot Chem Ind,2008,28(6):487-490(in Chinese).张兰河,于大禹,刘强,等.TiO2-xNx光催化氧化苯甲酸的研究[J].化工环保,2008,28(6):487-490. |
| [6] | Zhu B,Zou L D.Trapping and Decomposing of Color Compounds from Recycled Water by TiO2 Coated Activated Carbon[J].J Environ Manag,2009,90(11):3217-3225. |
| [7] | Mozia S,Toyoda M.Inagaki M,et al.Application of Carbon-coated TiO2 for Decomposition of Methylene Blue in a Photocatalytic Membrane Reactor[J].J Hazard Mater,2007,140(1/2):369-375. |
| [8] | Zubieta C E,Messina P V,Luengo C,et al.Reactive Dyes Remotion by Porous TiO2-chitosan Materials[J].J Hazard Mater,2008,152(2):765-777. |
| [9] | Sanchez B.Coronado J M.Candal R,et al.Preparation of TiO2 Coatings on PET Monoliths for the Photocatalytic Elimination of Trichloroethylene in the Gas Phase[J].Appl Catal B:Environ[J],2006,66(3/4):295-301. |
| [10] | Tryba B.Immobilization of TiO2 and Fe-C-TiO2 Photocatalysts on the Cotton Material for Application in a Flow Photocatalytic Reactor for Decomposition of Phenol in Water[J].J Hazard Mater,2008,151 (2/3):623-627. |
| [11] | Yuranova T.Mosteco R,Bandara J,et al.Self-cleaning Cotton Textiles Surfaces Modified by Photoactive SiO2/TiO2 Coating[J].J Mol Cata A:Chem,2006,244(l/2):160-167. |
| [12] | He Q H,Zhang Z X,Xiong J W,et al.A Novel Biomaterial-Fe3O4:TiO2 Core-sheH Nano-particle with Magnetic Performance and High Visible Light Photocatalytic Activity[J].opt Mater,2008,31(2):380-384. |
| [13] | Yu Q H,Zhou C G,Wang X.Influence of Plasma Spraying Parameter on Microstructure and Photocatalytie Properties of Nanostructured TiO2-Fe3O4 Coating[J].J Mol Catal A Chem,2008,283(1/2):23-28. |
| [14] | Liu J H,Yang R,Li S M.Preparation and Application of Efficient TiO2/ACFs Photecatalyst[J].J Environ Sci,2006,18(5):979-982. |
| [15] | HUANG Mianfeng,ZHENG Zhixiang,XU Guangqing,et al.Preparation,Characterization and Photecatalytic Activity of Exfoliated Graphite Supported Titanium Dioxide Photocatalyst[J].J Chinese Ceram,2008,36(3):325-333(in Chinese).黄绵峰,郑治祥,徐光青,等.膨胀石墨负载纳米二氧化钛光催化剂的制备、表征与其光催化性能[J].硅酸盐学报,2008,36(3):325-333. |
| [16] | Kong Y,Yuan J,Wang Z L,et al.Application of Expanded Graphite/attapulgite Composite Materials as Electrode for Treatment of Textile Wastewater[J].Appl Clay Sci,2009,46(4):358-362. |
| [17] | ZHAO Wei,KONG Yong,KAN Jinqing,et al.Fabrication of Expanded Graphite Electrode and Its Application in Electrochemical Detection of Tryptophan[J].Chinese J Anal Chem,2009,37(1):62-66(in Chinese).赵炜,孔泳,阚锦晴,等.膨胀石墨电极的制备及用于色氨酸电化学检测的研究[J].分析化学,2009,37(1):62-66. |
| [18] | LI Yufeng,LIU Guoqin,LAI Qi,et al.Study on Preparation of Sulfur-free Expanded Graphite using Fine Flake Graphite[J].Chem Equip Technol,2007,28(3):75-77(in Chinese).李玉峰,刘国钦,赖奇,等.细鳞片石墨制备无硫膨胀石墨的研究[J].化工装备技术,2007,28(3):75-77. |
| [19] | Quan X,Chen S,Su J,et al.Synergetic Degradation of2,4-D by Integrated Photo-and Electrochemical Catalysis on a Pt Doped TiO2/Ti Electrode[J].Sep Purif Technol,2004,34(1/3):73-79. |
| [20] | Hepel M,Luo J.Photoelectrochemical Mineralization of Textile Diazo Dye Pollutants using Nanocrystalline WO3 Electrodes[J].Electrochim Acta,2001,47(5):729-740. |
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%