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Comparison of inoculums in the removal of 2-butoxyethanol from air emissions by biotrickling filter: Performance and microbial monitoring

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Comparison of inoculums in the removal of 2-butoxyethanol from air emissions by biotrickling filter: Performance and microbial monitoring

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dc.contributor.author	Pérez Gil, María del Carmen
dc.contributor.author	Álvarez Hornos, Francisco Javier
dc.contributor.author	Dobslaw, Daniel
dc.contributor.author	Engesser, Karl H.
dc.contributor.author	Gabaldón García, Carmen
dc.date.accessioned	2015-08-31T07:50:16Z
dc.date.available	2015-08-31T07:50:16Z
dc.date.issued	2014
dc.identifier.citation	Pérez Gil, María del Carmen Alvarez Hornos, Francisco Javier Dobslaw, Daniel Engesser, Karl H. Gabaldón García, 2014 Comparison of inoculums in the removal of 2-butoxyethanol from air emissions by biotrickling filter: Performance and microbial monitoring New Biotechnology 31 Supplement S133 S134
dc.identifier.uri	http://hdl.handle.net/10550/46761
dc.description.abstract	2-butoxyethanol is one of the most used glycol ether in industrial activities and the treatment of air 2-butoxyethanol-emissions become necessary. Biotechnologies are potential treatment technologies due to their low operational costs. The use of two inoculums in the treatment of 2-butoxyethanol by biotrickling filters (BTFs) packed with polyurethane-foam was studied. A pure culture of Pseudomonas putida, previously adapted to 2-butoxyethanol, was used as inocula in a BTF operated in the University of Stuttgart. Fresh activated sludge from a municipal waste water treatment plant was used as inocula in a BTF operated in the University of Valencia. An empty bed residence time of 12.5 s and inlet concentrations of 400 and 800 mg/Nm3 were applied. After 40 days of operation at 400 mg/Nm3, the BTF inoculated with Pseudomonas putida reached removal efficiencies (REs) ∼ 80%, whereas the BTF inoculated with activated sludge presented REs ∼ 60%. At 800 mg/Nm3, the BTF inoculated with Pseudomonas putida reached REs ∼ 60%. Microbial community was monitored in both BTFs by using denaturing gradient gel electrophoresis analysis (DGGE) with subsequent 16S sequencing and plating methods using 2-butoxyethanol as sole carbon source.
dc.language.iso	eng
dc.relation.ispartof	New Biotechnology, 2014, vol. 31, num. Supplement, p. S133-S134
dc.subject	Biotecnologia
dc.title	Comparison of inoculums in the removal of 2-butoxyethanol from air emissions by biotrickling filter: Performance and microbial monitoring
dc.type	journal article	es_ES
dc.date.updated	2015-08-31T07:50:17Z
dc.identifier.doi	10.1016/j.nbt.2014.05.1942
dc.identifier.idgrec	098862
dc.rights.accessRights	open access	es_ES