Please use this identifier to cite or link to this item: https://doi.org/10.1023/A:1005779529320
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dc.titleHigh resolution GC - MS analysis of VOCs in wastewater and sludge
dc.contributor.authorKoe, L.C.C.
dc.contributor.authorShen, W.
dc.date.accessioned2014-06-19T05:50:05Z
dc.date.available2014-06-19T05:50:05Z
dc.date.issued1997-02
dc.identifier.citationKoe, L.C.C., Shen, W. (1997-02). High resolution GC - MS analysis of VOCs in wastewater and sludge. Environmental Monitoring and Assessment 44 (1-3) : 549-561. ScholarBank@NUS Repository. https://doi.org/10.1023/A:1005779529320
dc.identifier.issn01676369
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/74197
dc.description.abstractHigh resolution gas chromatography - mass spectrometry (GC-MS) has been widely used in the field of environmental sample analysis for volatile organic compounds (VOCs). Such a technique was applied to the analysis of VOCs at a local municipal wastewater treatment plant. The combination of purge and trap sample preparation and thermal desorption with cryofocusing technology, allows for the detection of a wide range of volatiles in wastewater and sludge samples. Results show that a large variety of organics present in samples are aliphatic and aromatic hydrocarbons. Their concentrations are in part per billion levels between 10 to 150 μg/L. Others identified using this method are chlorinated hydrocarbons, sulfides and organic acids. By comparing the chromatograms of different wastewater and sludge samples collected from various treatment process units, it can be seen that most volatiles were removed or degraded after the aeration or digestion process. Information that provides an insight to the measurement of organic compounds in sludges is also discussed in this paper.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1023/A:1005779529320
dc.sourceScopus
dc.typeConference Paper
dc.contributor.departmentCIVIL ENGINEERING
dc.description.doi10.1023/A:1005779529320
dc.description.sourcetitleEnvironmental Monitoring and Assessment
dc.description.volume44
dc.description.issue1-3
dc.description.page549-561
dc.description.codenEMASD
dc.identifier.isiutA1997XB93100049
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