以聚氨酯为骨架,在泡沫成型过程中加入颗粒活性炭,经炭化得到孔结构发达的聚氨酯泡沫炭,以其为基底采用浸渍法制备出TiO2负载的具有光催化性能的复合材料.采用SEM观测不同活性炭量泡沫炭的表面形貌;采用BET吸附-脱附等温曲线考察制备不同的泡沫炭及复合材料的孔径结构;XRD分析不同产物的晶型结构;TG分析碳骨架热分解过程.以气相甲醛为模型物,评价泡沫炭/TiO2复合材料在紫外灯光下对甲醛气体的光催化降解性能.结果表明,聚氨酯泡沫炭/TiO2复合材料具有良好的催化降解甲醛功能,是吸附与降解协同作用的结果;当活性炭含量为35％,TiO2的负载量为2％时,对甲醛吸附降解能力最好,达到85.3％.
参考文献
| [1] | 石碧清;刘湘;闾振华.室内甲醛污染现状及其防治对策[J].环境科学与技术,2007(6):49-51,54. |
| [2] | 刘杰;姚汉超;陈茂林;刘宏亮;王光学;严彦;杨旭.人造板材释放的甲醛所致遗传毒性的研究[J].环境科学学报,2003(5):679-682. |
| [3] | 田世爱;于自强;张宏.室内甲醛污染状况调查及防治措施[J].洁净与空调技术,2005(1):41-43,47. |
| [4] | 吴珉;张旭建;丁黄达;沈立峰.室内甲醛污染及防治[J].污染防治技术,2002(4):46-47. |
| [5] | 王琨;李玉华;赵庆良;姜安玺.室内空气中的甲醛检测分析及其预测模型[J].中国环境科学,2004(6):658-661. |
| [6] | Ao CH;Lee SC;Yu JZ;Xu JH.Photodegradation of formaldehyde by photocatalyst TiO2: effects on the presences of NO, SO2 and VOCs[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,20041(1):41-50. |
| [7] | Paul Chin;Lao P.Yang;David F.Ollis.Formaldehyde removal from air via a rotating adsorbent combined with a photocatalyst reactor:Kinetic modeling[J].Journal of Catalysis,20061(1):29-37. |
| [8] | 王文超;周仕学;姜瑶瑶;杨敏建.室内甲醛污染治理技术的研究进展[J].环境科学与技术,2006(9):106-108. |
| [9] | Tetsuro Noguchi;Akira Fujishima;Phillip Sawunyama;Kazuhito Hashimoto.Photocatalytic degradation of gaseous formaldehyde using TiO{sub}2 film[J].Environmental Science & Technology: ES&T,199823(23):3831-3833. |
| [10] | Zhou J;Mullins DR.Adsorption and reaction of formaldehyde on thin-film cerium oxide[J].Surface Science: A Journal Devoted to the Physics and Chemistry of Interfaces,20067(7):1540-1546. |
| [11] | Kyung Jin Lee;Jin Miyawaki;Nanako Shiratori;Seong-Ho Yoon;Jyongsik Jang.Toward an effective adsorbent for polar pollutants: Formaldehyde adsorption by activated carbon[J].Journal of hazardous materials,2013Sep.15(Sep.15):82-88. |
| [12] | 崔丹丹;蒋剑春;孙康;卢辛成.竹活性炭负载二氧化钛光催化降解水溶液中甲醛的研究[J].功能材料,2011(z3):438-441. |
| [13] | S. Haydar;M.A. Ferro-Garcia;J. Rivera-Utrilla.Adsorption of p-nitrophenol on an activated carbon with different oxidations[J].Carbon: An International Journal Sponsored by the American Carbon Society,20033(3):387-395. |
| [14] | 李娟;朱艺;李改;张胜义;金葆康;田玉鹏.纳米Ti02/粉煤灰复合材料的制备及光催化性质[J].功能材料,2011(z3):521-523,528. |
| [15] | S.X. Liu;X.Y. Chen;X. Chen.A TiO_2/AC composite photocatalyst with high activity and easy separation prepared by a hydrothermal method[J].Journal of hazardous materials,20071/2(1/2):257-263. |
| [16] | Liu SX;Chen XY.Preparation and characterization of a novel activated carbon-supported N-doped visible light response photocatalyst (TiO2-xNy/AC)[J].Journal of Chemical Technology & Biotechnology,20075(5):453-459. |
| [17] | Wu JF;Hung CH;Yuan CS.Kinetic modeling of promotion and inhibition of temperature on photocatalytic degradation of benzene vapor[J].Journal of Photochemistry and Photobiology, A. Chemistry,20053(3):299-306. |
| [18] | N.Doucet;O.Zahraa;M.Bouchy.Kinetics of the photocatalytic degradation of benzene[J].Catalysis Today,20071/2(1/2):168-177. |
| [19] | Teruaki Hisanaga;Keiichi Tanaka.Photocatalytic degradation of benzene on zeolite-incorporated TiO_2 film[J].Journal of hazardous materials,20023(3):331-337. |
| [20] | 陈华;王锐;王自强;刘守新.聚氨醋基泡沫炭吸附材料的制备[J].北京林业大学学报,2011(1):129-133. |
| [21] | 和丽丽;闫书一;梁渠;冯启明;王维清;刘爱平.聚氨酯功能泡塑的制备及其分离蛋白性能的研究[J].功能材料,2011(z3):450-451,456. |
| [22] | 仲鑫;孙剑;刘守新.可见光响应Pt沉积La2O3/TiO2制备及其对甲苯的光热催化去除[J].无机材料学报,2011(11):1175-1180. |
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