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Título: | Time and space patterns of volatile organic compounds in a sewage treatment plant |
Autor: | Escalas, Antoni; Guadayol, Josep M.; Cortina-Puig, Montserrat; Rivera Aranda, Josep CSIC; Caixach, Josep CSIC ORCID | Palabras clave: | VOCs CLSA HRGC/MS Wastewater Experimental design |
Fecha de publicación: | 2-ago-2003 | Editor: | Elsevier | Citación: | Water Research 37(16): 3913-3920 (2003) | Resumen: | 47 regulated and non-regulated volatile organic compounds (VOCs) were characterised by closed-loop stripping analysis (CLSA) and high resolution gas chromatography coupled to mass spectrometry (HRGC/MS) in 28 aqueous samples from 4 sampling points along a sewage treatment plant in Manresa, Catalonia, Spain. A 4×22 factorial design (16 samples) was first prepared for the sampling, and reinforced with 12 additional samples at the plant influent. The total analyte weighted mean concentration was 232 μg l−1 at the plant influent, with a mass flow of 2231 kg yr−1. Petroleum solvents and terpenic compounds accounted for 79% of the influent analyte concentration. VOC concentration in influent was clearly higher for most VOCs from 12 to 22 h (high organic load hours), and lower from 24 to 10 h (lower organic load). Differences between time bands were confirmed through t tests. Differences between weekdays and the weekend were not so clear, and could not be confirmed through t tests. VOC concentrations along the plant are discussed. Overall analyte removal in the plant was 89%. |
Descripción: | 8 pages, 1 figure, 5 tables.-- PMID: 12909110 [PubMed].-- Printed version published Sep 2003. | Versión del editor: | http://dx.doi.org/10.1016/S0043-1354(03)00336-1 | URI: | http://hdl.handle.net/10261/21655 | DOI: | 10.1016/S0043-1354(03)00336-1 | ISSN: | 0043-1354 | E-ISSN: | 1879-2448 |
Aparece en las colecciones: | (IDAEA) Artículos |
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