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Ionic liquids versus amine solutions in biogas upgrading: the level of volatile organic compounds
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2013 (English)In: Biofuels, ISSN 1759-7269, Vol. 4, no 3, 295-311 p.Article in journal (Refereed) Published
Abstract [en]

Background: This article provides information related to the occurrence of volatile organic compounds before and after biogas purification, by means of both aqueous amine solutions and ionic liquids. Results & discussion: Encouraging results were obtained. Under the experimental conditions, 1-butyl-3-methylimidazolium acetate ionic liquid appeared to perform at least two-times better than aqueous amines solutions, since it captured 65 wt% of the identified volatile organic compounds, while aqueous amine solutions retained around 35 wt% only. However, in the case of octamethylcyclotetrasiloxane and dichlorobenzene, aqueous amine solutions rendered better purification performance and diminished the concentration of aforementioned compounds by a factor of five and ten, respectively. Conclusion: This paper sheds new light on ionic liquids as potential separation sorbents and contributes to the understanding of the complex science of biogas upgrading and utilization of renewable energy resources.

Place, publisher, year, edition, pages
future science ltd , 2013. Vol. 4, no 3, 295-311 p.
National Category
Chemical Sciences
URN: urn:nbn:se:umu:diva-68044DOI: 10.4155/BFS.13.4OAI: diva2:615579
Available from: 2013-04-11 Created: 2013-04-11 Last updated: 2013-05-31Bibliographically approved

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Mikkola, Jyri-Pekka
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Department of Chemistry
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