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Abatement of styrene waste gas emission by biofilter and biotrickling filter: comparison of packing materials and inoculation procedures

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Abatement of styrene waste gas emission by biofilter and biotrickling filter: comparison of packing materials and inoculation procedures

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dc.contributor.author Pérez Gil, María del Carmen
dc.contributor.author Álvarez Hornos, Francisco Javier
dc.contributor.author Portune, Kevin Joseph
dc.contributor.author Gabaldón García, Carmen
dc.date.accessioned 2015-11-05T12:51:11Z
dc.date.available 2015-11-05T12:51:11Z
dc.date.issued 2015
dc.identifier.citation Pérez Gil, María del Carmen Álvarez-Hornos, Francisco Javier Portune, K. Gabaldón García, Carmen 2015 Abatement of styrene waste gas emission by biofilter and biotrickling filter: comparison of packing materials and inoculation procedures Applied Microbiology and Biotechnology 99 19 32
dc.identifier.uri http://hdl.handle.net/10550/48065
dc.description.abstract The removal of styrene was studied using 2 biofilters packed with peat and coconut fibre (BF1-P and BF2-C, respectively) and 1 biotrickling filter (BTF) packed with plastic rings. Two inoculation procedures were applied: an enriched culture with strain Pseudomonas putida CECT 324 for biofilters and activated sludge from a municipal wastewater treatment plant for the BTF. Inlet loads (ILs) between 10 and 45 g m-3 h-1 and empty bed residence times (EBRTs) from 30 to 120 s were applied. At inlet concentrations ranging between 200 and 400 mg Nm-3, removal efficiencies between 70 and 95% were obtained in the 3 bioreactors. Maximum elimination capacities (ECs) of 81 and 39 g m-3 h-1 were obtained for the first quarter of the BF1-P and BF2-C, respectively (IL of 173 g m-3 h-1 and EBRT of 60 s in BF1-P; IL of 89 g m-3 h-1 and EBRT of 90 s in BF2-C). A maximum EC of 52 g m-3 h-1 was obtained for the first third of the BTF (IL of 116 g m-3 h-1, EBRT of 45 s). Problems regarding high pressure drop appeared in the peat biofilter, whereas drying episodes occurred in the coconut fibre biofilter. DGGE revealed that the pure culture used for biofilter inoculation was not detected by day 105. Although 2 different inoculation procedures were applied, similar styrene removal at the end of the experiments was observed. The use as inoculum of activated sludge from municipal wastewater treatment plant appears a more feasible option.
dc.language.iso eng
dc.relation.ispartof Applied Microbiology and Biotechnology, 2015, vol. 99, p. 19-32
dc.subject Química
dc.title Abatement of styrene waste gas emission by biofilter and biotrickling filter: comparison of packing materials and inoculation procedures
dc.type journal article es_ES
dc.date.updated 2015-11-05T12:51:11Z
dc.identifier.doi 10.1007/s00253-014-5773-9
dc.identifier.idgrec 099020
dc.rights.accessRights open access es_ES

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