| UV/Fenton/TiO_2光催化氧化降解微囊藻毒素的研究 |
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| 引用本文： | 张维,董泽琴,张琳,杨再荣.UV/Fenton/TiO_2光催化氧化降解微囊藻毒素的研究[J].安徽农业科学,2010,38(9):4775-4778. |
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| 作者姓名： | 张维 董泽琴 张琳 杨再荣 |
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| 作者单位： | 贵州省水污染控制与资源化技术研究重点实验室,贵州贵阳,550002;贵州省环境科学研究设计院,贵州贵阳,550002 |
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| 基金项目： | 贵州省社会发展科技攻关项目(黔科合S字[2007]1007号);;贵州省优秀科技教育人才省长专项资金项目(黔省专合字[2007]108号);;贵州省高层次人才科研条件特助经费项目(TZJF-2007-15) |
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| 摘 要： | 目的]研究UV/Fenton/TiO2光催化氧化降解供水水源深水湖库水体中微囊藻毒素MC-RR和MC-LR的效果。方法]以Fen-ton-TiO2作为光催化剂,考察不同反应时间、初始pH值、H2O2浓度、Fe2＋浓度、TiO2投加量、光照强度、藻毒素起始浓度对UV/TiO2/Fen-ton多相光催化氧化降解微囊藻毒素的影响,并对多相光催化氧化与UV光分解对藻毒素的去除效果进行比较。结果]在H2O2起始浓度为0.1mmol/L、H2O2]/FeSO4]为15∶1、pH值为4.0、反应液距UV灯管1cm、TiO2投加量为0.05g/L和反应温度为（16±2）℃的条件下,反应3min后,浓度为0.35mg/L的MC-RR和浓度为0.29mg/L的MC-LR去除率可分别达到91.5%和90.2%。结论]UV/Fen-ton/TiO2光催化氧化法能高效降解微囊藻毒素。
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| 关 键 词： | UV/Fenton/TiO2 光催化氧化 微囊藻毒素 |
Study on the Photocatalytic Degradation of Microcystins by Using UV/Fenton/TiO2 |
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| ZHANG Wei et al.Study on the Photocatalytic Degradation of Microcystins by Using UV/Fenton/TiO2[J].Journal of Anhui Agricultural Sciences,2010,38(9):4775-4778. |
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| Authors: | ZHANG Wei |
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| Institution: | Guizhou Key Laboratory of Water Pollution Control & Resource Reuse;Guiyang;Guizhou 550002 |
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| Abstract: | Objective] The paper aimed to study on the effects of MC-RR and MC-LR of photocatalytic degradation of Microcystins by using UV/Fenton/TiO2 in depth lake water. Method ] Fenton-TiO2 as a photocatalyst,the influence of different reaction time,initial pH value,H2O2 concentration,Fe2+ concentration,TiO2 dosage,light intensity,initial concentration of Microcystin on UV/Fenton/TiO2 heterogeneous photocatalytic degradation of Microcystin were explored,and comparison of removal effects between heterogeneous phot... |
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| Keywords: | UV/Fenton/TiO2 Photocatalytic degradation Microcystins |
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