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城市生活垃圾中邻苯二甲酸酯的源分布特征 被引量:5

Distribution of Phthalic Acid Esters in Municipal Solid Waste
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摘要 采用气相色谱-质谱联用(GC—MS)和氢火焰气相色谱(GC—FID)方法分析了城市生活垃圾各物理组成中6种优先控制邻苯二甲酸酯(PAB)的源分布状况.结果表明,PAEs在生活垃圾各组成中出现的频率顺序为:邻苯二甲酸二(2-乙基)己酯(DEHP)〉邻苯二甲酸二正丁酯(DBP)〉邻苯二甲酸二甲酯(DMP)〉邻苯二甲酸二乙酯(DEP)〉邻苯二甲酸二正辛酯(DOP)〉邻苯二甲酸丁基苄基酯(BBP);并且DEHP和DBP在垃圾中的总含量最高.就垃圾物理湿基组成而言,塑料是垃圾中DEHP的重要贡献者(4.80~96.88μg·g^-1).而布类和纸类中的DBP和DEHP含量均较高,其于基样品含量范围接近于塑料样品.厨余、果类和竹木中PAEs的种类最为丰富,而渣石和玻璃样品中的PAEs含量则较少. An analysis is made of the distributions of six kinds of phthalic acid esters (PAEs) in physical compositions of municipal solid waste (MSW) by using gas chromatogram-mass spectra (GC- MS) and gas chromatogram-hydrogen flame ionization detector (GC-FID). The results show that the frequency order of PAEs detected in MSW is di - (2 - ethylhexyl) phthalate (DEHP) 〉 di - butyl phthalate (DBP) 〉di - methyl phthalate (DMP) 〉di - ethyl phthalate (DEP) 〉di - octyl phthalate (DOP) 〉benzyl butyl phthalate (BBP). Furthermore, the concentration of DBP and DEHP are more than that of other PAEs in MSW samples. Plastics are the main source (4.80-96.88 μg·g^-1) of DEHP based on the wet weight. The concentrations of DBP and DEHP in textile and paper are alto relatively high and are close to that in plastics based on dry weight. PAEs in kitchen waste, fruit peel and wood are more diversiform than that in other compositions. Little PAEs exist in stones and glasses.
出处 《同济大学学报(自然科学版)》 EI CAS CSCD 北大核心 2007年第12期1646-1650,共5页 Journal of Tongji University:Natural Science
基金 国家自然科学基金资助项目(50578115 50538080)
关键词 城市生活垃圾(MSW) 邻苯二甲酸酯(PAFs) 垃圾物理组成 内分泌干扰物 municipal solid waste(MSW) phthalic acid esters (PAEs) physical composition of solid waste endocrine disrupting chemicals
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参考文献17

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二级参考文献1

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