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Removal of polyvinylpyrrolidone from wastewater using different methods

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dc.title Removal of polyvinylpyrrolidone from wastewater using different methods en
dc.contributor.author Julinová, Markéta
dc.contributor.author Kupec, Jan
dc.contributor.author Houser, Josef
dc.contributor.author Slavík, Roman
dc.contributor.author Marušincová, Hana
dc.contributor.author Červenáková, Lenka
dc.contributor.author Klívar, Stanislav
dc.relation.ispartof Water Environment Research
dc.identifier.issn 1061-4303 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2012
utb.relation.volume 84
utb.relation.issue 12
dc.citation.spage 2123
dc.citation.epage 2132
dc.type article
dc.language.iso en
dc.publisher Water Environment Federation en
dc.identifier.doi 10.2175/106143012X13373575830999
dc.relation.uri http://www.ingentaconnect.com/content/wef/wer/2012/00000084/00000012/art00007
dc.subject Activated sludge en
dc.subject Active carbon en
dc.subject Alkaline hydrolysis en
dc.subject Biodegradation en
dc.subject Polyvinylpyrrolidone en
dc.subject Sorption en
dc.description.abstract Polyvinylpyrrolidone (PVP) is a frequently used polymer in the pharmaceutical and foodstuff industries. Because it is not subject to metabolic changes and is virtually nondegradable, trace concentrations of PVP are often found in community wastewaters. The literature finds that the partial removal of PVP in wastewater treatment plants probably occurs through sorption. The primary objective of this study was to find an effective method to remove PVP from wastewaters. In this regard, the literature indicates the theoretical potential to use specific enzymes (e.g., γ-lactamases, amidases) to gradually degrade PVP molecules. Polyvinylpyrrolidone biodegradability tests were conducted using suitable heterogeneous cultures (activated sludge) collected from a conventional wastewater treatment plant, treatment plants connected to a pharmaceutical factory, and using select enzymes. Aerobic biodegradation of PVP in a conventional wastewater environment was ineffective, even after adaptation of activated sludge using the nearly identical monomer 1-methyl-2-pyrrolidone. Another potential method for PVP removal involves pretreating the polymer prior to biological degradation. Based on the results (approximately 10 to 15% biodegradation), pretreatment was partially effective, realistically, it could only be applied with difficulty at wastewater treatment plants. Sorption of PVP to an active carbon sorbent (Chezacarb S), which corresponded to the Langmuir isotherm, and sorption to activated sludge, which corresponded to the Freundlich isotherm, were also evaluated. From these sorption tests, it can be concluded that the considerable adsorption of PVP to activated sludge occurred primarily at low PVP concentrations. Based on the test results, the authors recommend the following methods for PVP removal from wastewater: (1) sorption; (2) application of specific microorganisms; and (3) alkaline hydrolysis, which is the least suitable of the three for use in wastewater treatment plants. en
utb.faculty Faculty of Technology
utb.faculty University Institute
dc.identifier.uri http://hdl.handle.net/10563/1003057
utb.identifier.rivid RIV/70883521:28110/12:43868123!RIV13-MSM-28110___
utb.identifier.rivid RIV/70883521:28610/12:43868123!RIV13-MSM-28610___
utb.identifier.obdid 43868216
utb.identifier.scopus 2-s2.0-84870415328
utb.identifier.wok 000311942800007
utb.identifier.coden WAERE
utb.source j-scopus
dc.date.accessioned 2012-12-18T08:35:40Z
dc.date.available 2012-12-18T08:35:40Z
utb.ou Centre of Polymer Systems
utb.contributor.internalauthor Julinová, Markéta
utb.contributor.internalauthor Kupec, Jan
utb.contributor.internalauthor Houser, Josef
utb.contributor.internalauthor Slavík, Roman
utb.contributor.internalauthor Marušincová, Hana
utb.contributor.internalauthor Červenáková, Lenka
utb.contributor.internalauthor Klívar, Stanislav
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