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Enhanced styrene removal in a two-phase partitioning bioreactor operated as a biotrickling filter: Towards full-scale applications

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Enhanced styrene removal in a two-phase partitioning bioreactor operated as a biotrickling filter: Towards full-scale applications

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dc.contributor.author	San-Valero, Pau
dc.contributor.author	Gabaldón García, Carmen
dc.contributor.author	Peñarrocha Oltra, Josep Manuel
dc.contributor.author	Quijano, Guillermo
dc.date.accessioned	2017-05-15T15:34:07Z
dc.date.available	2019-02-01T05:45:04Z
dc.date.issued	2017
dc.identifier.citation	San-Valero, Pau Gabaldón García, Carmen Peñarrocha Oltra, Josep Manuel Quijano, Guillermo 2017 Enhanced styrene removal in a two-phase partitioning bioreactor operated as a biotrickling filter: Towards full-scale applications Chemical Engineering Journal 309 588 595
dc.identifier.uri	http://hdl.handle.net/10550/58536
dc.description.abstract	Styrene vapor abatement was investigated in a two-phase partitioning bioreactor operated as a biotrickling filter (TPPB-BTF). The removal performance of the TPPB-BTF was simultaneously compared with a conventional BTF, which served as a control. Industrial-grade silicone oil was used as the non-aqueous phase in the TPPB-BTF due to its high affinity for styrene. Both bioreactors were operated at styrene inlet concentrations ranging from 55 to 323 mg C m−3 and empty bed residence times (EBRT) of 15-30 s, corresponding to pollutant loading rates of 13-77 g C m−3 h−1. Both bioreactors exhibited styrene removal efficiencies (REs) higher than 90% at an EBRT of 30 s. Nevertheless, the TPPB-BTF showed a superior removal performance than that recorded in the control BTF at EBRTs shorter than 30 s. REs of 89%, 84% and 57% were recorded in the TPPB-BTF at EBRT of 15 s and loading rates of 13, 22 and 77 g C m−3 h−1, respectively, while the control BTF supported removal efficiencies of 64%, 42% and 18-42% under the same experimental conditions. The resilience and robustness of the TPPB-BTF over styrene shock loadings and transient inlet concentration was also confirmed, the TPPB-BTF being able to recover a stable RE of 89% one day after such operation disturbances. The potential of the TPPB-BTF towards full scale applications was also critically discussed based on the experimental determination of silicone oil loses through aqueous phase renewal, which accounted for 0.4% of the initial volume of oil added to the TPPB-BTF after 87 days of operation.
dc.language.iso	eng
dc.relation.ispartof	Chemical Engineering Journal, 2017, vol. 309, p. 588-595
dc.subject	Aire Anàlisi
dc.subject	Aire Contaminació
dc.title	Enhanced styrene removal in a two-phase partitioning bioreactor operated as a biotrickling filter: Towards full-scale applications
dc.type	journal article	es_ES
dc.date.updated	2017-05-15T15:34:07Z
dc.identifier.doi	10.1016/j.cej.2016.10.054
dc.identifier.idgrec	114410
dc.embargo.terms	2 years
dc.rights.accessRights	open access	es_ES