Di-(2-ethylhexyl)phthalate in sewage sludge and post-treated sludge:: Quantitative determination by HRGC-MS and mass spectral characterization

被引：44

作者：

Bagó, B ^{[1
]}

Martín, Y ^{[1
]}

Mejía, G ^{[1
]}

Broto-Puig, F ^{[1
]}

Diaz-Ferrero, J ^{[1
]}

Agut, M ^{[1
]}

Comellas, L ^{[1
]}

机构：

[1] Univ Ramon Llull, Inst Quim Sarria, Chromatog Sect, Barcelona 08017, Spain

来源：

CHEMOSPHERE | 2005年 / 59卷 / 08期

关键词：

DEHP; phthalates; endocrine disruptor; post-treatment sludge processes; soil amendment;

D O I：

10.1016/j.chemosphere.2004.11.077

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

DEHP was quantified into sewage sludge, thermally dried sludge and compost samples from different areas of Catalonia (North East Spain) using high-resolution gas chromatography (HRGC) coupled to a mass spectrometry (MS). The aim of the work was to determine the evolution of this ubiquitous environmental contaminant along some post-treatment sludge processes, such as composting and thermally drying. DEHP concentration detected in some sludges are above the maximum limit suggested by the EC (100 ppm d.m.) for agricultural use. However, the composting and thermally drying reduce the amount of DEHP in sewage sludge to acceptable level for safe land application. The study was completed with the characterization and long-term observation of DEHP in sewage sludge, composted. sludge and thermally dried sludge mixed with two types of soils. In all cases, the percentage of DEHP degraded was higher than 50% after 9 months of incubation. (c) 2004 Elsevier Ltd. All rights reserved.

引用

页码：1191 / 1195

页数：5

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