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Transformation of an environmental friendly hydraulic oil in soil using gas chromatography and FTIR as tools for identification of individual
Linköping University, The Tema Institute, Department of Water and Environmental Studies.
2007 (English)Independent thesis Advanced level (degree of Magister), 20 points / 30 hpStudent thesis
Abstract [en]

Production and use of hydraulic ester oil is on the increase worldwide. This becomes a substitute to mineral based hydraulic oil and has drawn more concern because of its more friendly environmental effects. Based on the growing use of hydraulic ester oils in automobiles, transformation of fresh and old hydraulic ester oil was studied in a podsol soil (soil 1) and a clayey soil (soil 2). Functional groups present in the oil and effect of soil types on transformation of the oil were also determined. Replicates of the two soils types were contaminated with fresh or old ester based hydraulic fluid. The oils were recovered from the soil by extraction with acetone. The organic phase was evaporated to dryness, and a small drop of the resulting extract was used for Fourier Transformation Infra Red Spectrometer analysis. The remaining extract was dissolved in hexane and analyzed by gas chromatography. Different intermediate compound patterns were observed in the two studied soils during the transformation studies, which went on for 30 days. Aliphatic-, carbonyl-, aromatic- and ether- groups were the main functional groups present in the tested hydraulic ester oils. Presence or absence of these functional groups distinguishes ester oil from mineral oil.

Place, publisher, year, edition, pages
Tema vatten i natur och samhälle , 2007. , 38 p.
Keyword [en]
Transformation of an environmental friendly hydraulic oil in soil using gas chromatography and FTIR as tools for identification of individual
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:liu:diva-9552ISRN: LIU-TEMA/ES-D--07/02--SEOAI: oai:DiVA.org:liu-9552DiVA: diva2:23971
Presentation
2007-06-01, Faros, Tema Huset, Linkoping University, Linkoping, 15:15 (English)
Uppsok
fysik/kemi/matematik
Supervisors
Examiners
Available from: 2007-08-10 Created: 2007-08-10Bibliographically approved

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Department of Water and Environmental Studies
Environmental Sciences

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf