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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.ORCID iD: 0000-0003-4983-8229
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, id: diva2:999188
Note
Godkänd; 2000; 20070317 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-06-08Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Output format
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