采用均相沉淀法,以Ce(NO3)3·6H2O为原料,HMT为沉淀剂,制备了ATP/CeO2纳米复合材料.并以H2O2为氧化剂,利用该复合材料对亚甲基蓝(MB)染料模拟废水进行了催化氧化处理,分别考察了催化剂的投加量及CeO2的负载量对MB降解的影响规律.研究结果表明,负载CeO2凹凸棒土纳米复合催化剂的催化活性明显高于相同条件下制备的纯的CeO2,CeO2负载量及ATP/CeO2的投加量分别为40%和0.2g时,最大降解率可达96%,对亚甲基蓝表现出较强的催化活性.
参考文献
| [1] | Siddiquey I A;Furusawa T;Hoshi Y et al.[J].Applied Surface Science,2008,255(05):2419-2424. |
| [2] | Chena I P;Lina S S;Wang C H et al.[J].Chemosphere,2007,66(01):172-178. |
| [3] | Li Changqing;Sun Nijuan;Jiang Feng et al.[J].Journal of Solid State Chemistry,2008,181(10):2620-2625. |
| [4] | Tian Lihui;Li Caiting;Li Qun.[J].Fuel,2009 |
| [5] | 彭书传,谢晶晶,庆承松,陈天虎,徐惠芳,陈菊霞,袁君.负载TiO2凹凸棒石光催化氧化法处理酸性品红染料废水[J].硅酸盐学报,2006(10):1208-1212. |
| [6] | Zhao Difang;Zhou Jie;Liu Ning .[J].Materials Science and Engineering,2006,431(1-2):256-262. |
| [7] | Difang Zhao;Jie Zhou;Ning Liu .Surface characteristics and photoactivity of silver-modified palygorskite clays coated with nanosized titanium dioxide particles[J].Materials Characterization,2007(3):249-255. |
| [8] | 陈丰,李霞章,陆晓旺,王健美,倪超英,陈志刚.凹凸棒石/CeO2复合纳米材料的合成、表征及催化性能[J].硅酸盐学报,2009(01):52-56. |
| [9] | Ji-ming Xu;Wei Li;Qi-fan Yin;Yu-lan Zhu .Direct electrochemistry of Cytochrome c on natural nano-attapulgite clay modified electrode and its electrocatalytic reduction for H{sub}2O{sub}2[J].Electrochimica Acta,2007(11):3601-3606. |
| [10] | Cao Jianliang;Shao Gaosong;Wang Yan et al.[J].Catalysis Communications,2008,9(15):2555-2559. |
| [11] | Steudel A;Batenburg L F;Fischer H R et al.[J].Applied Clay Science,2009,44(1-2):95-104. |
| [12] | 奚丽荷,江海军,朱忠其,张瑾,柳清菊.CeO2掺杂TiO2光催化剂的性能研究[J].功能材料,2007(07):1146-1148. |
| [13] | 唐受印;戴友芝.废水处理水热氧化技术[M].北京:化学工业出版社,2002:546. |
| [14] | 陆佩文.无机材料科学基础[M].武汉:武汉理工大学出版社,2005:323-326. |
| [15] | 宋旭春,杨娥,郑遗凡,王芸.α-MnO2和β-MnO2纳米棒的制备和催化性能研究[J].无机化学学报,2007(05):919-922. |
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%