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湖泊沉积柱中的高溴联苯醚及其在环境中的降解

张 亮 郭建阳 廖海清 汤 智

张 亮, 郭建阳, 廖海清, 汤 智. 湖泊沉积柱中的高溴联苯醚及其在环境中的降解[J]. 环境科学研究, 2011, 24(9): 988-994.
引用本文: 张 亮, 郭建阳, 廖海清, 汤 智. 湖泊沉积柱中的高溴联苯醚及其在环境中的降解[J]. 环境科学研究, 2011, 24(9): 988-994.
ZHANG Liang, GUO Jian-yang, LIAO Hai-qing, TANG Zhi. Highly Brominated Polybrominated Diphenyl Ethers in Lake Sediment Cores and Their Potential Environmental Degradation[J]. Research of Environmental Sciences, 2011, 24(9): 988-994.
Citation: ZHANG Liang, GUO Jian-yang, LIAO Hai-qing, TANG Zhi. Highly Brominated Polybrominated Diphenyl Ethers in Lake Sediment Cores and Their Potential Environmental Degradation[J]. Research of Environmental Sciences, 2011, 24(9): 988-994.

湖泊沉积柱中的高溴联苯醚及其在环境中的降解

基金项目: 国家自然科学基金项目(40973087);国家重点基础研究发展计划(973)项目(2008CB418200);中国科学院“西部博士资助项目”

Highly Brominated Polybrominated Diphenyl Ethers in Lake Sediment Cores and Their Potential Environmental Degradation

  • 摘要: 采用GC/MS方法分析了5个内陆湖泊(巢湖、滇池、红枫湖、青海湖和四海龙湾)钻孔沉积物中HB-PBDEs(高溴联苯醚,包括九溴和十溴的联苯醚)的垂直分布状况,并对它们的组成特征及其在环境中的降解进行了分析.结果显示,5个内陆湖泊表层沉积物中有机碳归一化后的w(ΣHB-PBDEs)为17.5~977.9 ng/g,其中滇池、红枫湖和巢湖HB-PBDEs的污染相对较为严重;与国内外其他研究相比,我国内陆湖泊沉积物中BDE-209的污染状况相对较轻.沉积物中HB-PBDEs的组成特征显示,BDE-209不但在大气传输过程中发生了明显降解,而且在进入湖泊沉积物后也发生了明显降解.由于BDE-209在不同环境介质中都可发生降解,并且降解产物为毒性更大的低溴代单体,因此进一步研究BDE-209在环境中的降解具有重要意义.

     

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出版历程
  • 收稿日期:  2010-12-18
  • 修回日期:  2011-02-22
  • 刊出日期:  2011-09-25

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