Occurrence and analysis of parabens in municipal sewage sludge from wastewater treatment plants in Madrid (Spain)
Occurrence and analysis of parabens in municipal sewage sludge from wastewater treatment plants in Madrid (Spain)
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DOI：
10.1016/j.jhazmat.2012.05.017
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发表时间：
2012-11-15
影响因子：
13.6
通讯作者：
Luis Tadeo, Jose
中科院分区：
文献类型：
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作者：
Albero, Beatriz;Ana Perez, Rosa;Luis Tadeo, Jose
建立了基质固相分散-气相色谱-串联质谱法快速测定城市污泥中7种对羟基苯甲酸酯和2种氯化副产物的方法。该分析方法的回收率为80%~125%，相对标准偏差小于12%，检出限为0.1~2.0 ng g(-1)干重。开发的方法被应用于2010年收集的19个污水处理厂(污水处理厂)的污水污泥分析，这些污水处理厂位于西班牙马德里的各个城市、工业或农村地区。大部分污水处理厂(95%)在5.1至26.2 ng g(-1)干重的样本中发现对羟基苯甲酸丙酯，在干重44.1 ng g(-1)以下的污水处理厂中有74%的污水处理厂检出对羟基苯甲酸丙酯。为了研究对羟基苯甲酸酯和两种氯代对羟基苯甲酸酯在四年期间的时间变化，从3个污水处理厂采集了污泥样品。在整个抽样期内，对羟基苯甲酸甲酯的水平相当稳定，而对羟基苯甲酸丙酯的水平略有增加。在其中一个受监测的污水处理厂中，在抽样期开始时发现了对羟基苯甲酸异丙酯，但其含量有所下降，在2010年的抽样期中没有检测到。(C)2012爱思唯尔B.V.保留所有权利。
A rapid method for determination of seven parabens and two chlorinated by-products in sewage sludge was developed based on matrix solid-phase dispersion and gas chromatography-tandem mass spectrometry. The analytical procedure showed good recoveries that ranged from 80 to 125%, with relative standard deviations lower than 12% and low detection limits, ranging from 0.1 to 2.0 ng g(-1) dry weight. The developed method was applied to the analysis of sewage sludge collected during 2010 in 19 wastewater treatment plants (WWTPs) located in various urban, industrial or rural zones in Madrid (Spain). Methylparaben was found in most of the WWTPs sampled (95%) at levels between 5.1 and 26.2 ng g(-1) dry weight and propylparaben was detected in 74% of the WWTPs at levels up to 44.1 ng g(-1) dry weight. In order to study the temporal variation of parabens and two chlorinated parabens during a four-year period, sludge samples were collected from 3 selected WWTPs. The levels of methylparaben encountered were rather constant throughout the sampling period whereas propylparaben levels slightly increased. In one of the WWTPs monitored, isopropylparaben was found at the beginning of the sampling period but its content decreased and was not detected in the 2010 sampling. (C) 2012 Elsevier B.V. All rights reserved.