Simultaneous Determination of Pyridine,Aniline and Nitrobenzene in Printing and Dyeing Wastewater by Headspace Gas Chromatography-Mass Spectrometry

BACKGROUND:Pyridine,aniline,and nitrobenzene are important chemical raw materials with low boiling point and strong polarity.They are highly susceptible to enter environmental water and cause pollution.Printing and dyeing wastewater with a complex matrix contains various carcinogenic nitrogen-contai...

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Published inYankuàng cèshì no. 4; p. 781
Main Authors Wu, Yue, Lai, Yongzhong, Lu, Guoyong, Lin, Xiaosheng, Liang, Shusheng, Xu, Wenshuai
Format Journal Article
LanguageChinese
Published Beijing National Research Center of Geoanalysis 01.01.2023
Subjects
Aniline
Boiling points
Carcinogens
Chromatography
Correlation coefficients
Effluents
Food chains
Gas chromatography
Ions
Mass spectrometry
Methanol
Nitrobenzene
Parks
Printing
Pyridines
Raw materials
Scientific imaging
Sodium carbonate
Textile industry
Wastewater treatment
Water treatment
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Summary:BACKGROUND:Pyridine,aniline,and nitrobenzene are important chemical raw materials with low boiling point and strong polarity.They are highly susceptible to enter environmental water and cause pollution.Printing and dyeing wastewater with a complex matrix contains various carcinogenic nitrogen-containing organic pollutants,such as pyridine,aniline,and nitrobenzene.Printing and dyeing wastewater discharging into the environment is harmful to human health through the food chain.The simultaneous detection method of pyridine,aniline,and nitrobenzene in environmental water is necessary.OBJECTIVES:To establish an analytical method based on headspace gas chromatography-mass spectrometry for the simultaneous determination of pyridine,aniline,and nitrobenzene in water.METHODS:The contents of pyridine,aniline,and nitrobenzene in the effluents from the wastewater treatment plants in the textile industry parks were detected and quantified by the external standard method with headspace gas chromatography-mass spectrometry
ISSN:0254-5357
DOI:10.15898/j.ykcs.202303280041