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北方城市给排水中有机锡污染调查研究 被引量:5

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摘要 首次对我国北方城市给水和污水处理厂丁基锡和一苯基锡的污染状况进行了研究,运用顶空SPME-GC-MS检测方法对水样进行了测定。结果表明,常规给水和污水处理工艺能有效去除一丁基锡(MBT)和二丁基锡(DBT),但对三丁基锡(TBT)和一苯基锡(MPT)的去除效果较差。给水处理厂中有机锡污染存在季节性变化,从5月到9月污染是逐步减轻的,其中原水中MBT,DBT,TBT和MPT最高浓度分别为111.4 ngSn/L,129.5 ngSn/L,29.4 ngSn/L和186.3 ngSn/L,管网水中只有5月份检测到29.4 ngSn/L的TBT和168.7 ngSn/L的MPT,其他月份没有检测到有机锡。此外,污水处理厂也存在一定的有机锡污染,主要污染物为DBT和TBT,最高浓度分别为108.9ngSn/L和59.8 ngSn/L,偶尔也检测到较高浓度的MPT。
出处 《给水排水》 CSCD 北大核心 2004年第7期15-18,共4页 Water & Wastewater Engineering
基金 国家自然科学基金(49925103和40021101) 国家863计划资助项目(2002AA601140-6)
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