| 有序介孔锰氧化物催化过氧化氢降解水中诺氟沙星 |
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| 引用本文： | 隋铭皓,佘磊,盛力,魏金杰,张令滇,黄书杭.有序介孔锰氧化物催化过氧化氢降解水中诺氟沙星[J].催化学报,2013,34(3):536-541. |
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| 作者姓名： | 隋铭皓 佘磊 盛力 魏金杰 张令滇 黄书杭 |
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| 作者单位： | 同济大学环境科学与工程学院污染控制与资源化国家重点实验室, 上海 200092 |
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| 基金项目： | supported by the National Natural Science Foundation of China(50708067,51078281,51278351);Foundation for the Author of National Excellent Doctoral Dissertation of China(2007B48);the National Science and Technology Major Project(2012ZX07408001);the Fundamental Research Funds for the Central Universities(0400219192)~~ |
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| 摘 要： | 采用硬模板法制备了有序介孔氧化锰,并用过氧化氢氧化诺氟沙星的降解率及其抗菌活性变化评价了其催化活性.研究发现,有序介孔锰氧化物表现出较高的催化活性;低pH有利于提高其催化活性.与单独过氧化氢氧化过程相比,有序介孔锰氧化物的存在明显减弱了诺氟沙星的抗菌活性.叔丁醇对催化体系的抑制作用表明有序介孔锰氧化物促进了过氧化氢分解生成羟基自由基.通过对诺氟沙星在催化过程中的分解产物鉴定,提出了可能的分解途径.
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| 关 键 词： | 有序介孔 锰氧化物 过氧化氢 氧化 诺氟沙星 |
| 收稿时间： | 2012-08-31 |
Ordered mesoporous manganese oxide as catalyst for hydrogen peroxide oxidation of norfloxacin in water |
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| SUI Minghao,SHE Lei,SHENG Li,WEI Jinjie,ZHANG Lingdian,HUANG Shuhang.Ordered mesoporous manganese oxide as catalyst for hydrogen peroxide oxidation of norfloxacin in water[J].Chinese Journal of Catalysis,2013,34(3):536-541. |
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| Authors: | SUI Minghao SHE Lei SHENG Li WEI Jinjie ZHANG Lingdian HUANG Shuhang |
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| Institution: | State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China |
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| Abstract: | Ordered mesoporous manganese oxide (om-MnOx) was prepared and used in oxidation by hydrogen peroxide of norfloxacin (NFX). The om-MnOx was prepared using a hard template method. The catalytic activity of om-MnOx was investigated by evaluating the changes in degradation efficiency and antibacterial activity of NFX. om-MnOx exhibited significant catalytic activity for the degradation of NFX in water by hydrogen peroxide. Lower pH conditions favored the catalytic activity of om-MnOx/hydrogen peroxide. The presence of om-MnOx achieved a greater reduction in the antibacterial ability of NFX than that was obtained with hydrogen peroxide alone. The inhibiting effect of t-butanol indicated that om-MnOx enhanced the generation of hydroxyl radicals. Byproducts from NFX were detected during the om-MnOx-catalyzed hydrogen peroxide process, and possible reaction pathways were proposed. |
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| Keywords: | Ordered mesoporous material Manganese oxide Hydrogen peroxide Oxidation Norfloxacin |
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