| 黄铁矿光化学氧化降解微囊藻毒素-LR的机制 |
| |
| 引用本文： | 周薇,方艳芬,张钰,吴春红,黄应平.黄铁矿光化学氧化降解微囊藻毒素-LR的机制[J].环境科学,2017,38(9):3762-3768. |
| |
| 作者姓名： | 周薇 方艳芬 张钰 吴春红 黄应平 |
| |
| 作者单位： | 三峡大学生物与制药学院, 宜昌 443002;三峡库区生态环境教育部工程研究中心(三峡大学), 宜昌 443002;三峡地区地质灾害与生态环境湖北省协同创新中心(三峡大学), 宜昌 443002,三峡大学生物与制药学院, 宜昌 443002;三峡库区生态环境教育部工程研究中心(三峡大学), 宜昌 443002;三峡地区地质灾害与生态环境湖北省协同创新中心(三峡大学), 宜昌 443002,三峡大学生物与制药学院, 宜昌 443002,三峡大学生物与制药学院, 宜昌 443002;三峡库区生态环境教育部工程研究中心(三峡大学), 宜昌 443002;三峡地区地质灾害与生态环境湖北省协同创新中心(三峡大学), 宜昌 443002,三峡大学生物与制药学院, 宜昌 443002;三峡库区生态环境教育部工程研究中心(三峡大学), 宜昌 443002;三峡地区地质灾害与生态环境湖北省协同创新中心(三峡大学), 宜昌 443002 |
| |
| 基金项目： | 国家自然科学基金项目（21577078，21677086，21377067）；三峡大学培优基金项目（2015PY081） |
| |
| 摘 要： | 在可见光(λ420 nm)照射和中性条件(p H=6.8)下,采用天然黄铁矿降解微囊藻毒素MC-LR,XRD和SEM检测表明黄铁矿为层状结构,反应前后黄铁矿表面XPS的表征说明矿物表面存在着S缺陷和缺陷位点Fe(Ⅱ)到Fe(Ⅲ)的转化过程.ESR检测显示黄铁矿光化学反应体系涉及·OH机制.HPLC和LC-MS结果显示可见光照射能有效活化黄铁矿降解MC-LR,反应10 h时能完全降解MC-LR,20 h时对MC-LR矿化率达到约60%,据实验结果推测出黄铁矿光化学氧化MC-LR的两条反应途径.
|
| 关 键 词： | 黄铁矿 光化学降解 可见光 微囊藻毒素-LR(MC-LR) |
| 收稿时间： | 2016/3/29 0:00:00 |
| 修稿时间： | 2017/3/23 0:00:00 |
Mechanism of Photochemical Degradation of MC-LR by Pyrite |
| |
| ZHOU Wei,FANG Yan-fen,ZHANG Yu,WU Chun-hong and HUANG Ying-ping.Mechanism of Photochemical Degradation of MC-LR by Pyrite[J].Chinese Journal of Environmental Science,2017,38(9):3762-3768. |
| |
| Authors: | ZHOU Wei FANG Yan-fen ZHANG Yu WU Chun-hong and HUANG Ying-ping |
| |
| Institution: | College of Biology and Pharmacy, China Three Gorges University, Yichang 443002, China;Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, China Three Gorges University, Yichang 443002, China;Collaborative Innovation Center of Geo-Hazards and Eco-Environment in the Three Gorges Area, China Three Gorges University, Yichang 443002, China,College of Biology and Pharmacy, China Three Gorges University, Yichang 443002, China;Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, China Three Gorges University, Yichang 443002, China;Collaborative Innovation Center of Geo-Hazards and Eco-Environment in the Three Gorges Area, China Three Gorges University, Yichang 443002, China,College of Biology and Pharmacy, China Three Gorges University, Yichang 443002, China,College of Biology and Pharmacy, China Three Gorges University, Yichang 443002, China;Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, China Three Gorges University, Yichang 443002, China;Collaborative Innovation Center of Geo-Hazards and Eco-Environment in the Three Gorges Area, China Three Gorges University, Yichang 443002, China and College of Biology and Pharmacy, China Three Gorges University, Yichang 443002, China;Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, China Three Gorges University, Yichang 443002, China;Collaborative Innovation Center of Geo-Hazards and Eco-Environment in the Three Gorges Area, China Three Gorges University, Yichang 443002, China |
| |
| Abstract: | |
| |
| Keywords: | pyrite photochemical degradation visible light MC-LR |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《环境科学》浏览原始摘要信息 |
| 点击此处可从《环境科学》下载免费的PDF全文 |
|
