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A rockwool biofilter for the treatment of restaurant emissions
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.
2000 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Over the past 20 years, the use of biological air pollution control has become a popular treatment alternative for contaminated gas streams. The objective of this licentiate thesis was to investigate the feasibility of a compact rockwool biofilter to treat emissions from a restaurant, to identify an appropriate microbial population for the inoculation of the biofilter, and suitable environmental conditions for this culture. Rockwool mats with pre-set structures were shown to have a good structural stability, developed low pressure drop, did not compact, and seemed to be a appropriate habitat for microorganisms. Bacteria from different environments were enriched in batch cultures; it was found that all cultures were able to oxidize rape-seed oil. Nutrients, mainly phosphorus and nitrogen, must be added occasionally to the bacterial culture. Clogging due to high depositions of grease could be prevented by using a mechanical collector installed upstream of the biofilter. The off-gas from the fryer consisted of a complex mixture of partially oxidized hydrocarbons and the short residence times (<10 s) provided in the filter were not sufficient to achieve a significant reduction of aldehydes or fatty acids.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2000. , p. 16
Series
Licentiate thesis / Luleå University of Technology, ISSN 1402-1757 ; 2000:44
National Category
Water Engineering
Research subject
Urban Water Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-26029Local ID: c3c8adc0-d4cb-11db-8550-000ea68e967bOAI: oai:DiVA.org:ltu-26029DiVA: diva2:999188
Note
Godkänd; 2000; 20070317 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-24Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • Other style
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  • de-DE
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Output format
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