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Toxicity assessment and biodegradation potential of water-soluble sludge containing 2,4,6-trinitrotoluen
Mälardalen University, School of Business, Society and Engineering, Future Energy Center. (ACWA/FUTURE ENERGY)ORCID iD: 0000-0003-3311-9465
Latvia University.
Mälardalen University, School of Business, Society and Engineering, Future Energy Center. (ACWA/FUTURE ENERGY)ORCID iD: 0000-0001-5480-0167
Mälardalen University, School of Business, Society and Engineering, Future Energy Center. Institute for Catalan Water Research. (ACWA/FUTURE ENERGY)
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2013 (English)In: Water Science & Technology, ISSN 0273-1223, Vol. 68, no 8, 1707-1714 p.Article in journal (Refereed) Published
Abstract [en]

he water-soluble phase of trinitrotoluene-containing sludge (SLP) was characterized with regard to trinitrotoluene (TNT) concentration, ecotoxicity, and a model biodegradation experiment as evaluation criteria for further development of appropriate treatment technologies. SLP contained 67.8 mg TNT/l. The results of germination and root-elongation tests indicated that SLP had a species-specific phytotoxic effect. The results of a 21 day degradation experiment demonstrated TNT conversion to 4-amino-2,6-DNT and 2-amino-4,6-DNT, with a simultaneous reduction in the total concentration of nitroaromatics. Addition of inoculum stimulated the TNT degradation process. The presence of the sludge solid phase inhibited microbial activity. Measurement of microbial enzyme activity was used to assess changes in the microbial community during the biodegradation process.

Place, publisher, year, edition, pages
IWA Publishing, 2013. Vol. 68, no 8, 1707-1714 p.
Keyword [en]
biodegradation; enzyme activity; indigenous microorganisms; phytotoxicity; solubility; TNT
National Category
Water Treatment
Research subject
Energy- and Environmental Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-22751DOI: 10.2166/wst.2013.416ISI: 000327140500004Scopus ID: 2-s2.0-84888255856OAI: oai:DiVA.org:mdh-22751DiVA: diva2:663518
Projects
BIOREX
Available from: 2013-11-12 Created: 2013-11-12 Last updated: 2015-11-12Bibliographically approved

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Publisher's full textScopushttp://www.iwaponline.com/wst/06808/wst068081707.htm

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Nehrenheim, EmmaOdlare, MonicaRodriguez, Adrian
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CiteExportLink to record
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Citation style
  • apa
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