| 丁铵黑药在水稻土中的降解及其影响因素研究 |
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| 引用本文： | 郝艳,吴小莲,莫测辉,李彦文,屈相龙,向垒,黄献培,陈键准,黄韵怡.丁铵黑药在水稻土中的降解及其影响因素研究[J].环境科学学报,2012,32(6):1454-1458. |
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| 作者姓名： | 郝艳 吴小莲 莫测辉 李彦文 屈相龙 向垒 黄献培 陈键准 黄韵怡 |
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| 作者单位： | 暨南大学环境工程系,广东省高校水土环境毒害性污染物防治与生物修复重点实验室,广州510632 |
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| 基金项目： | 教育部博士点基金(No.200805590005);国家自然科学基金项目(No.41071211, 41173101);广东省自然科学基金重点项目(No.2011020003196);广东省科技计划项目(No.2010B020311006);暨南大学本科生科技创新工程项目(No.CX11025, CX11021) |
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| 摘 要： | 通过室内模拟实验,探讨了水稻土中丁铵黑药的降解规律及影响因素.结果表明,水稻土中丁铵黑药的降解率随着初始浓度的增大而降低,其半衰期均小于4d.丁铵黑药的降解率在一定范围内随着土壤含水量和温度的升高而显著提高,当含水量为60%、温度为25℃时,培养7d内丁铵黑药的最高降解率达84%.水稻土中丁铵黑药的降解机制主要是微生物的降解作用(约占80%),其次是光降解作用(约占20%).
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| 关 键 词： | 水稻土 丁铵黑药 降解 动力学 机制 |
| 收稿时间： | 2011/9/23 0:00:00 |
| 修稿时间： | 2011/10/25 0:00:00 |
Degradation and influence factors of ammonium butyl aerofloat in paddy soil |
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| HAO Yan,WU Xiaolian,MO Cehui,LI Yanwen,QU Xianglong,XIANG Lei,HUANG Xianpei,CHEN Jianzhun and HUANG Yunyi.Degradation and influence factors of ammonium butyl aerofloat in paddy soil[J].Acta Scientiae Circumstantiae,2012,32(6):1454-1458. |
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| Authors: | HAO Yan WU Xiaolian MO Cehui LI Yanwen QU Xianglong XIANG Lei HUANG Xianpei CHEN Jianzhun and HUANG Yunyi |
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| Institution: | Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, Department of Environmental Engineering, Jinan University, Guangzhou 510632;Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, Department of Environmental Engineering, Jinan University, Guangzhou 510632;Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, Department of Environmental Engineering, Jinan University, Guangzhou 510632;Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, Department of Environmental Engineering, Jinan University, Guangzhou 510632;Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, Department of Environmental Engineering, Jinan University, Guangzhou 510632;Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, Department of Environmental Engineering, Jinan University, Guangzhou 510632;Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, Department of Environmental Engineering, Jinan University, Guangzhou 510632;Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, Department of Environmental Engineering, Jinan University, Guangzhou 510632;Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, Department of Environmental Engineering, Jinan University, Guangzhou 510632 |
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| Abstract: | Degradation and influence factors of ammonium butyl aerofloat in paddy soil were investigated by indoor simulation test.The results showed that degradation rates of ammonium butyl aerofloat in paddy soil decreased with increasing initial concentrations,with their half-life periods all shorter than 4 days.Degradation rate of ammonium butyl aerofloat in paddy soil improved significantly with increasing soil moisture.Maximum degradation rate(84%) was obtained on the 7th day under the conditions of 60% moisture and 25 ℃ temperature.The main degradation mechanism of ammonium butyl aerofloat in paddy soil was microbial degradation(approximately 80%) and photo-degradation(approximately 20%). |
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| Keywords: | paddy soil ammonium butyl aerofloat degradation kinetics mechanism |
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