| 尿素对除草剂氯磺隆在三种土壤上的吸附影响 |
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| 引用本文： | 叶发兵,刘永红,黄春保,熊绪杰,董元彦.尿素对除草剂氯磺隆在三种土壤上的吸附影响[J].环境科学与技术,2010,33(11). |
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| 作者姓名： | 叶发兵 刘永红 黄春保 熊绪杰 董元彦 |
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| 摘 要： | 利用平衡吸附法研究了三种供试矿物对氯磺隆的吸附及尿素对吸附的影响。供试矿物对氯磺隆的吸附符合Langmuir方程,最大吸附量大小顺序为:非晶形氧化铝(2322μg/g)针铁矿(2071μg/g)高岭土(1326μg/g);尿素的加入使得磺酰脲除草剂氯磺隆在非晶形氧化铝、针铁矿表面的吸附量都有不同程度的下降,其中非晶形氧化铝降低的幅度最大,但在高岭土表面的吸附量有所增加,且尿素和氯磺隆同时加入时增加更显著。
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| 关 键 词： | 氯磺隆 吸附 土壤矿物 尿素 |
Effects of Urea on Adsorption of Chlorsulfuron by Three Kinds of Minerals |
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| YE Fa-bing,LIU Yong-hong,HUANG Chun-bao,XIONG Xu-jie,DONG Yuan-yan.Effects of Urea on Adsorption of Chlorsulfuron by Three Kinds of Minerals[J].Environmental Science and Technology,2010,33(11). |
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| Authors: | YE Fa-bing LIU Yong-hong HUANG Chun-bao XIONG Xu-jie DONG Yuan-yan |
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| Abstract: | Adsorption of chlorsulfuron by kaolinite,goethite,amorphous alumina and the effects of urea on adsorption were examined with equilibrium adsorption method.Results indicated that the adsorption was in accordance with Langmuir equation,with the maximum absorbing capacities ranking as amorphous alumina,goethite and kaolinite.When urea was used,the absorbing capacities on goethite and amorphous alumina decreased by all different orders of urea used,but increased on kaolinite,especially by adding urea with chlorsulfuron simultaneously. |
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| Keywords: | chlorsulfuron adsorption minerals urea |
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