全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

微波辅助光催化降解阿特拉津的表观动力学

Keywords: 阿特拉津,表观动力学,光催化,微波

Full-Text   Cite this paper   Add to My Lib

Abstract:

以内分泌干扰物阿特拉津为目标物,建立循环流化床微波辅助光催化体系,研究其微波辅助光催化降解规律。表观动力学研究发现,当阿特拉津初始浓度较低时,其在微波辅助光催化体系中的降解符合表观一级反应动力学特征。降解反应速率常数与阿特拉津初始浓度呈负线性相关,与紫外光强呈正线性相关,与催化剂浓度呈抛物线性相关。表观反应速率常数kobs=3.95×10-4c0-0.2703I1.2224W0.3283,该模型计算值与实验值吻合较好,平均相对偏差仅为0.5%,可用于预测微波辅助光催化降解低浓度有机污染物的反应规律。

References

[1]  Chen H.L., Bramanti E., Longo I., et al.Oxidative decomposition of Atrazine in water in the presence of hydrogen peroxide using an innovative microwave photochemical reactor.Journal of Hazardous Materials, 2011, 186(2):1808-1815
[2]  季彩宏, 张萍, 韩萍芳, 等.TiO2膜光催化降解4, 4\'-二溴联苯的研究.环境工程学报, 2009, 3(1):72-76 Ji C.H., Zhang P., Han P.F., et al.Study on photodegradation of 4, 4\'-dibrominated biphenyl by TiO2 thin film.Chinese Journal of Environmental Engineering, 2009, 3(1):72-76(in Chinese)
[3]  廖文超, 王鹏, 屠思思, 等.微波辅助ZrOx-ZnO/γ-A12O3光催化动态降解阿特拉津.水处理技术, 2010, 36(9):97-100 Liao W.C., Wang P., Tu S.S., et al.Microwave-assisted photocatalytic continuous flow degradation of Atrazine by ZrOx-ZnO/γ-Al2O3 catalyst.Technology of Water Treatment, 2010, 36(9):97-100(in Chinese)
[4]  Liao W.C., Zheng T., Wang P., et al.Efficient microwave-assisted photocatalytic degradation of endocrine disruptor dimethyl phthalate over composite catalyst ZrOx/ZnO.Journal of Environmental Sciences, 2010, 22 (11):1800-1806
[5]  Silva C.G., Faria J.L.Photochemical and photocatalytic degradation of an azo dye in aqueous solution by UV irradiation.Journal of Photochemistry and Photobiology A:Chemistry, 2003, 155(1):133-143
[6]  Sobczynski A., Duczmal L., Zmudzinski W.Phenol destruction by photocatalysis on TiO2:An attempt to solve the reaction mechanism.Journal of Molecular Catalysis A:Chemical, 2004, 213(2):225-230
[7]  孟顺龙, 胡庚东, 瞿建宏, 等.阿特拉津在水环境中的残留及其毒理效应研究进展.环境污染与防治, 2009, 3l(6):64-68 Meng S.L., Hu G.D., Qu J.H., et al.Research progress on atrazine residue in water environment and its toxicological effects.Environmental Pollution & Control, 2009, 31(6):64-68(in Chinese)
[8]  Gomathi D.L., Eraiah R.K.A kinetic model based on non-linear regression analysis is proposed for the degradation of phenol under UV/solar light using nitrogen doped TiO2.Journal of Molecular Catalysis A:Chemical, 2011, 334(1):65-76
[9]  Gondal M.A., Sayeed M.N., Yamani Z.H., et al.Efficient removal of phenol from water using Fe2O3 semiconductor catalyst under UV laser irradiation.Journal of Environmental Science and Health, Part A, 2009, 44(5):515-521
[10]  Li Y., Niu J.F., Yin L.F., et al.Photocatalytic degradation kinetics and mechanism of pentachlorophenol based on superoxide radicals.Journal of Environmental Sciences, 2011, 23(11):1911-1918
[11]  赵宝秀.TiO2/Ti与Fe双阳极光电催化氧化降解2, 4-二氯苯酚的研究.哈尔滨:哈尔滨工业大学博士学位论文, 2007 Zhao B.X.Degradation of 2, 4-Dichlorophenol with TiO2/Ti and Fe double anodes photoelectrocatalytic oxidation.Harbin:Doctor Dessertation of Harbin Institute of Technology, 2007(in Chinese)
[12]  李悦, 王鹏, 赵宝秀.TiO2/Ni PECO体系降解DMP的动力学和光电协同作用研究.环境工程学报, 2009, 3(2):293-297 Li Y., Wang P., Zhao B.X.Kinetic and photo-electro cooperation effect on degrading dimethy phthalate in TiO2/Ni PECO system.Chinese Journal of Environmental Engineering, 2009, 3(2):293-297(in Chinese)
[13]  Elghniji K., Hentati O., Mlaik N., et al.Photocatalytic degradation of 4-chlorophenol under P-modified TiO2/UV system:Kinetics, intermediates, phototoxicity and acute toxicity.Journal of Environmental Sciences, 2012, 24(3):479-487
[14]  Horikoshi S., Abeb M., Serpone N.Novel designs of microwave discharge electrodeless lamps (MDEL) in photochemical applications.Use in advanced oxidation processes.Photochemical & Photobiological Sciences, 2009, 8(8):1087-1104
[15]  Církva V., Relich S.Microwave photochemistry and photocatalysis.Part 1:Principles and overview.Current Organic Chemistry, 2011, 15(2):248-264
[16]  尤宏, 姚杰, 罗薇楠, 等.TiO2/SiO2催化剂光催化降解罗丹明B的表观动力学.环境科学, 2006, 27(11):2154-2158 You H., Yao J., Luo W.N., et al.Kinetics model for photo-catalytic degradation of Rodaming B with TiO2/SiO2 as catalyst.Environmental Science, 2006, 27(11):2154-2158(in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133