| 复合硫酸铝控制滇池内源磷释放的有效性 |
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| 引用本文： | 赵斌,卢少勇,叶春,金相灿,吴献花,包裕尉.复合硫酸铝控制滇池内源磷释放的有效性[J].环境科学与技术,2010,33(8). |
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| 作者姓名： | 赵斌 卢少勇 叶春 金相灿 吴献花 包裕尉 |
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| 基金项目： | 国家水体污染控制与治理科技重大专项，国家高技术研究发展计划项目 |
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| 摘 要： | 在滇池福保湾重污染区域修建两个6m×6m围隔,向其中投加适量硫酸铝,利用原位钝化技术控制内源磷释放。通过采集柱状芯样,采用室内静态模拟沉积物PO43--P的释放,测定表层沉积物松散结合态磷含量。对照围隔表层沉积物中松散结合态磷含量(27.68~38.55mg/kg)约为硫酸铝处理围隔(11.09~13.85mg/kg)的3倍。结果表明,投加硫酸铝可有效抑制底泥中PO43--P的释放,显著降低表层底泥不稳态磷含量。
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| 关 键 词： | 滇池 复合硫酸铝 内源释放 磷 |
Effect of Multiple Alum Sulphate on Internal Phosphorus Release Control in Dianchi Lake |
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| ZHAO Bin,LU Shao-yong,YE Chun,JIN Xiang-can,WU Xian-hua,BAO Yu-wei.Effect of Multiple Alum Sulphate on Internal Phosphorus Release Control in Dianchi Lake[J].Environmental Science and Technology,2010,33(8). |
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| Authors: | ZHAO Bin LU Shao-yong YE Chun JIN Xiang-can WU Xian-hua BAO Yu-wei |
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| Abstract: | Enclosure of 6m×6m were constructed in serious polluted zone of Fubao Bay,Dianchi Lake.One of enclosure added alum to control phosphorus release from sediment.PO43--P release process was simulated using static incubations of intact sediment cores,and measuring the loose phosphate of surface sediment.The content of loose phosphate(27.68~ 38.55mg/kg)in blank enclosure was about 3 times,comparing with the content of loose phosphate (11.09~13.85mg/kg)in treated enclosure with alum.Results showed that alum could effectively control phosphorus release from sediment,and reduce concentration of loose phosphate of surface sediment. |
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| Keywords: | Dianchi Lake multiple alum internal release phosphorus |
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