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3种水生植物对水溶液中乐果的降解作用研究

Keywords: 水生植物,植物修复,乐果,动力学,降解

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Abstract:

通过在人工配制的含有机磷农药乐果的营养液中培养水生植物,研究了水葱、香蒲和石菖蒲对水溶液中有机磷农药乐果的去除效果,并探讨了水葱对乐果降解的动力学过程。结果表明,在抑菌条件下,3种植物都能够显著促进乐果的降解,去除能力为:水葱>香蒲>石菖蒲。水葱10d内对5mg·L-1乐果的去除率为59.8%,香蒲和石菖蒲组对乐果的去除率分别为42.5%和36.9%。在不抑菌条件下,水葱对乐果的去除符合一级动力学方程,去除速率常数为0.099d-1,水溶液中未检测到乐果降解的中间产物。

References

[1]  Sridhar Susarla,Victor F Medina,Stemen C McCutcheon.Phytoremediation:An ecological solution to organic chemical contamination[J].Ecological Engineering,2002,18:647-658.
[2]  Garcinuno R M,Fernandez-Hernando P,Camara C.Evaluation of pesticide uptake by Lupinus seeds[J].Water Research,2003,37:3481-3489.
[3]  Moore M T,Rodgers Jr J H,Cooper C M,et al.Constructed wetlands for mitigation ofatrazine-associated agricultural runoff [J].Environmental Pollution,2000,110:393-399.
[4]  Mckinlay R G,Kasperek K.Observations on decontamination of herbicide-polluted water by marsh plant systems[J].Water Research,1999,33 (2):505-511.
[5]  夏会龙,吴良欢,陶勤南.凤眼莲加速水溶液中马拉硫磷降解[J].中国环境科学,2001,21(6):553-555.
[6]  夏会龙,吴良欢,陶勤南.凤眼莲植物修复水溶液中甲基对硫磷的效果与机理研究[J].环境科学学报,2002,22(3):329-332.
[7]  Coyner A,Gupta G,Jones T.Effect of chlorsulfuron on growth of submerged aquatic macrophytes Potamogeton pectinatus (sago pondweed)[J].Environmental Pollution,2001,111:453-455.
[8]  蒋卫杰,等.蔬菜无土栽培新技术[M].北京:金盾出版社,2001.46-47.
[9]  史箴,李抗美.气相色谱法测定水中有机磷农药[J].四川环境,1998,17(1):47-52.
[10]  Sharon Lafferty Doty,Tanya Qing Shang,Angela M Wilson,et al.Metabolism of the soil and groundwater contaminants,ethylene dibromide and trichloroethylene,by the tropical leguminous tree,Leuceana leucocephala[J].Water Research,2003,37:441-449.
[11]  Huang J,Reneau R B,JR C,et al.Nitrogen removal in con structed wetlands employed to treat domestic wastewater [J].Water Research.2002,34 (9):2582-2588.
[12]  Lauchlan H Fraser,Spring M Carty,David Steer.A test of four plant species to reduce total nitrogen and total phosphorus from soil leachate in subsurface wetland microcosms[J].Bioresource Technology,2004,94:185-192.
[13]  中国农业科学院植物保护研究所,农牧渔业部农药检定所等合编.农药分析[M],第三版.北京:化学工业出版社,1988.168-169.

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