固相烧结合成透辉石矿物,用X射线衍射(XRD)、傅里叶变换红外光谱(FTIR)、扫描电子显微镜(SEM)和紫外可见漫反射光谱(UV-vis)对不同温度下的合成产物进行表征,并将合成透辉石矿物用于紫外光照射条件下进行亚甲基蓝降解的实验研究,探讨其光催化性能.结果表明:1 400 ℃保温3 h的条件下合成纯透辉石;合成纯透辉石矿物具有光催化性,效率较低,催化剂样品质量浓度为2 g/L,亚甲基蓝初始质量浓度为0.8 mg/L,室温下光催化反应4 h,其降解率为16%.
参考文献
| [1] | Fujishima A;Honda K .Electrochemical photoly-sis of water at a semiconductor electrode[J].Nature,1972,238(5358):37-38. |
| [2] | Takeda K;Fujiwara K .Characteristics on the determination of dissolved organic nitrogen compounds in natural waters using titanium dioxide and platinized titanium dioxide mediated photoc-atalytic degradation[J].Water Research,1996,30(02):323-330. |
| [3] | Kranthi K. Akurati;Andri Vital;Giuseppino Fortunato .Flame synthesis of TiO_2 nanoparticles with high photocatalytic activity[J].Solid state sciences,2007(3/4):247-257. |
| [4] | 雷雪飞,薛向欣.酸度及酸介质对硫酸盐掺杂的含钛高炉渣光催化还原Cr（Ⅵ）的影响[J].化工学报,2008(09):2247-2254. |
| [5] | 王昱征,薛向欣,雷雪飞.硫掺杂含钛高炉渣光催化剂性能研究[J].材料与冶金学报,2009(01):73-76. |
| [6] | 李家珍;丁晓亚;章靖君 等.锰蔷薇辉石的合成及其在酸中的溶解性[J].北京钢铁学院学报,1988,10(01):113-116. |
| [7] | L Dhaneda H;Hishita S .Visible-light-driven nitrogen-doped TiO2 photocatalysts:Effect of nitrogen precursorson their photo-catalysis for decomposition of gas phase organic pollutant[J].M-atSciEng B-Solid,2005,117(01):67-75. |
| [8] | Burns D A;Ciurczak E W.Handbook of near-infrared analysis[M].New York,USA:Marcel Dekker,Inc,2001:67-72. |
| [9] | Zhang SC;Zhang CA;Man Y;Zhu YF .Visible-light-driven photocatalyst of Bi2WO6 nanoparticles prepared via amorphous complex precursor and photocatalytic properties[J].International Journal of Quantum Chemistry,2006(1):62-69. |
| [10] | Akhmad Syoufian;Oktaviano H.Satriya;Kenichi Nakashima .Photocatalytic activity of titania hollow spheres: Photodecomposition of methylene blue as a target molecule[J].Catalysis Communications,2007(5):755-759. |
| [11] | 周建伟,黄建新,王金娜,李洁.纳米ZnO/膨润土光催化降解亚甲基蓝研究[J].应用化工,2008(09):1063-1066. |
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%