采用氧化吸附法制备了硝酸根型铜铁铝类水滑石,借助XRD、FTIR、SEM等分析手段研究了样品的结构、形貌及形成机理.结果表明:存在水蒸气的条件下,以碳酸根型铜铁铝类水滑石为前驱体经过500℃焙烧得到的铜铁铝复合氧化物可以氧化吸附NO2,生成Cu(NO3)2.上述样品在干燥器中放置9 d后转化成直径约为5 μm的硝酸根型类水滑石.此外,铜铁铝复合氧化物吸附NO2、H2O和O2后也可直接转化成硝酸根型铜铁铝类水滑石,不存在中间相Cu(NO3)2.本文提出的氧化吸附法为制备类水滑石提供了一种新途径.
参考文献
| [1] | Ye Lwin;Mohd Ambar Yarmo;Zahira Yaakob .Synthesis and characterization of Cu-Al layered double hydroxides[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2001(1/2):193-198. |
| [2] | Kannan S.;Rives V.;Knozinger H. .High-temperature transformations of Cu-rich hydrotalcites[J].International Journal of Quantum Chemistry,2004(1):319-331. |
| [3] | 吕君英,郭亚平,龚凡,董国君.以类水滑石为前体的Cu-Al复合氧化物氧化吸附NO2的机理[J].石油化工,2005(12):1203-1207. |
| [4] | 吕君英,龚凡,郭亚平,薛红丹.选择性催化还原NOx催化剂的研究进展[J].化工进展,2005(10):1079-1083. |
| [5] | 李蕾,莫丹,罗青松.锌铝类水滑石的复原及表征[J].无机化学学报,2004(03):256-260. |
| [6] | del Arco M;Gutierrez S;Martin C;Rives V;Rocha J .Synthesis and characterization of layered double hydroxides (LDH) intercalated with non-steroidal anti-inflammatory drugs (NSAID)[J].International Journal of Quantum Chemistry,2004(11):3954-3962. |
| [7] | 倪哲明,俞卫华,王力耕,郭志强,葛忠华.新型杂多酸阴离子层柱材料的合成、表征及性能的研究[J].浙江大学学报(理学版),2003(03):299-302. |
| [8] | Ruiyu Zhao;Changlong Yin;Huiji Zhao;Chenguang Liu .Synthesis, characterization, and application of hydotalcites in hydrodesulfurization of FCC gasoline[J].Fuel Processing Technology,2003(3):201-209. |
| [9] | Oh JM.;Hwang SH.;Choy JH. .The effect of synthetic conditions on tailoring the size of hydrotalcite particles[J].Solid state ionics,2002(1/4):285-291. |
| [10] | 冯拥军,李殿卿,李春喜,王子镐,EVANS D.G,段雪.Cu-Ni-Mg-Al-CO3四元水滑石的合成及结构分析[J].化学学报,2003(01):78-83. |
| [11] | 李大塘,郭军.Cu-Al-O氧化物催化剂酸碱性质的量热表征[J].燃料化学学报,2001(z1):73-76. |
| [12] | 孟伟青,李峰,Evans D G,段雪.硝酸根型镁铁水滑石的合成及其离子交换性能研究[J].现代化工,2004(03):35-38. |
| [13] | 谢鲜梅,刘洁翔,安霞,武正簧,王志忠.NiMgAl三元类水滑石的制备研究[J].燃料化学学报,2003(06):620-623. |
| [14] | Jenshi B.Wang;De-Hso Tsai;Ta-Jen Huang .Synergistic Catalysis of Carbon Monoxide Oxidation over Copper Oxide Supported on Samaria-Doped Ceria[J].Journal of Catalysis,2002(2):370-380. |
| [15] | Tsveta Stanimirova;Georgi Kirov .Cation composition during recrystallization of layered double hydroxides from mixed (Mg, Al) oxides[J].Applied clay science,2003(6):295-301. |
| [16] | A.E.Palomares;J.G.Prato;F.Rey;A.Corma .Using the "memory effect" of hydrotalcites for improving the catalytic reduction of nitrates in water[J].Journal of Catalysis,2004(1):62-66. |
| [17] | Ferreira OP;Alves OL;Gouveia DX;Souza AG;de Paiva JAC;Mendes J .Thermal decomposition and structural reconstruction effect on Mg-Fe-based hydrotalcite compounds[J].International Journal of Quantum Chemistry,2004(9):3058-3069. |
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