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Guang Pu Xue Yu Guang Pu Fen Xi


Title:[The Study on the Characteristics of Organic Pollution in Typical Herbicide Plant Wastewater]
Author(s):Chen YH; Xi HB; Yu D; Zhou YX; Chen XM; Fu XY;
Address:
Journal Title:Guang Pu Xue Yu Guang Pu Fen Xi
Year:2015
Volume:35
Issue:12
Page Number:3444 - 3449
DOI:
ISSN/ISBN:1000-0593 (Print) 1000-0593 (Linking)
Abstract:"Herbicide wastewater is one of tne industrial wastewater, it has high salt content, poor biodegradability, biodegradable characteristics. Nitrogen-containing organic compounds are dominated in dissolved organic matter and dissolved organic matter of wastewater, BOD: COD = 0.045, C:N:P = 692:426:1. Applying static headspace, purg and trap, solid-phase extraction, solid-phase microextraction and liquid-liquid extraction as pretreatment methods combined with gas chromatography/mass spectrometry (GC/MS), which qualitatively analyzed the organic components of the Atrazine, acetochlor herbicide production wastewater and researched the UV spectrum, three-dimensional fluorescence spectroscopy of the wastewater and its major pollutants. The study of GC/MS indicated that Wastewater contained chlorinated hydrocarbons, BTEX and triazines, amides herbicides etc. 38 kinds of volatile and semi-volatile organic compounds, atrazine and acetochlor herbicides accounted for 87. 99%. Affected monocyclic or heterocyclic substances, the ultraviolet absorption spectrum of the wastewater in 210-230 and 250-270 nm in that the amino group lead to the UV absorption red shift 20 nm. Wastewater generated 5 fluorescence peak in lambda(ex)/lambda(em) = 200-280/300-400 nm, such as a(225/305 nm), b(265/365 nm), c(275/305 nm), d(285/390 nm), e(320/375 nm). Based on three-dimensional fluorescence results of the different functional groups of the characteristics organic, fluorescent area of unsaturated bond is in lambda(ex)/lambda(em) = 215-230/290-340 nm, the main contribution of the fluorescent substance in the region were olefins, benzene, heterocyclic in the wastewater; fluorescent area of Phenolic hydroxyl and carbonyl is in lambda(ex)/lambda(em) = 270/300 nm, the main contribution of the fluorescent substance in the region were phenols, ketones"
Keywords:"Atrazine Fluorescence Gas Chromatography-Mass Spectrometry *Herbicides Liquid-Liquid Extraction Solid Phase Microextraction Spectrometry, Fluorescence Toluidines Volatile Organic Compounds Wastewater/*analysis Water Pollutants/*analysis;"
Notes:"MedlineChen, Yu-hui Xi, Hong-bo Yu, Dong Zhou, Yue-xi Chen, Xue-min Fu, Xiao-yong chi China 2016/03/12 Guang Pu Xue Yu Guang Pu Fen Xi. 2015 Dec; 35(12):3444-9"

 
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