采用电解液修饰法,利用微弧氧化技术直接在铝基体上制备CoO/Al2O3微弧氧化复合膜层,采用SEM和XRD观察并分析复合膜层表面、截面形貌和相组成,探讨了复合膜层形成机制及对甲基橙溶液催化降解作用.结果表明,微弧氧化复合膜层主要由Al2O3相和CoO相组成,且CoO沉积在Al2 O3陶瓷层表面或者孔洞内;碱性电解液中添加Co(CH3COO)2生成Co(OH)2胶体,从而在热化学作用下分解为CoO,是形成CoO/Al2 O3复合膜层的主要原因;室温常压下复合膜层催化10h可使甲基橙溶液降解率达到96.4％.
参考文献
| [1] | Lukiyanchuk IV;Tyrina LM;Rudnev VS;Ustinov AY;Nedozorov PM;Vasil'eva MS .Catalytic properties of aluminum/nickel-, copper-containing oxide film compositions[J].Kinetics and catalysis,2008(3):439-445. |
| [2] | 师江柳;刘金尧;朱起明 等.CuO/ZrO2超细粒子催化剂的制备和物性结构表征[J].催化学报,1996,17(04):277-280. |
| [3] | 张智敏;郝建刚;李耀龙 .程序升温脱附法研究超细Mo/Al2O3催化剂[J].催化学报,1995,16(04):316-319. |
| [4] | 国海光,韩文锋,刘化章,沈菊李.铜基甲醇合成催化剂的研究[J].浙江工业大学学报,2003(05):508-511. |
| [5] | 何宏辉,曾庆圣,王天石,霍天成,何劼,杜建成.镁合金等离子体微弧氧化过程负电压调控的研究[J].材料热处理学报,2006(02):118-121. |
| [6] | 梁戈,赵仁兵,蒋百灵.电解液参数对铝合金微弧氧化黑色陶瓷膜性能的影响[J].材料热处理学报,2006(05):91-94. |
| [7] | 但敏,童洪辉,沈丽如,金凡亚,李炯.微弧氧化-溶胶凝胶复合表面技术改善铝合金的耐腐蚀性能[J].材料热处理学报,2011(08):132-136. |
| [8] | Verdier S;Boinet M;Maximovitch S et al.Formation,structure and composition of anodic films on AM60 magnesium alloy obtained by DC plasma anodizing[J].Corrosion Science,2005,47(06):1430-1444. |
| [9] | 蒋百灵,吴国建,张淑芬,雷廷权.镁合金微弧氧化陶瓷层生长过程及微观结构的研究[J].材料热处理学报,2002(01):5-7. |
| [10] | 蒋百灵,刘东杰.制约微弧氧化技术应用开发的几个科学问题[J].中国有色金属学报,2011(10):2402-2407. |
| [11] | M.S.Vasil'eva;V.S.Rudnev;L.M.Tyrina;N.B.Kondrikov;A.N.Budina .Composition and Catalytic Activity of Plasma-Electrolytic Manganese Oxide Films on Titanium,Modified with Silver Compounds[J].Russian journal of applied chemistry,2005(11):1859-1863. |
| [12] | 罗平,徐南平.铜系催化剂的研制及其在H2O2催化氧化中的应用研究[J].水处理技术,2006(12):44-46,50. |
| [13] | Assadawoot Srikhaow;Siwaporn Meejoo Smith.Preparation of Cu2(OH)3NO3/ZnO, a novel catalyst for methyl orange oxidation under ambient conditions[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2013:84-92. |
| [14] | Jaidev Prasad;James Tardio;Harit Jani;Suresh K. Bhargava;Deepak B. Akolekar;Stephen C. Grocott .Wet peroxide oxidation and catalytic wet oxidation of stripped sour water produced during oil shale refining[J].Journal of hazardous materials,2007(3):589-594. |
| [15] | Kosmulski, M .Compilation of PZC and IEP of sparingly soluble metal oxides and hydroxides from literature[J].Advances in colloid and interface science,2009(1/2):14-25. |
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