Conversion of chemical scrubbers to biotrickling filters for VOCs and H2S treatment at low contact times

The purpose of this work was to evaluate the technical and economical feasibility of converting three chemical scrubbers in series to biotrickling filters (BTFs) for the simultaneous removal of H2S and volatile organic compounds (VOCs). The conversion of the full-scale scrubbers was based on previou...

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Autores: Santos, Alfredo, Guimerà Villalba, Xavier|||0000-0002-4156-2988, Dorado Castaño, Antonio David|||0000-0003-0238-5867, Gamisans Noguera, Javier|||0000-0003-1856-8692, Gabriel Buguña, David
Tipo de recurso: artículo
Fecha de publicación:2015
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/26316
Acceso en línea:https://hdl.handle.net/2117/26316
https://dx.doi.org/10.1007/s00253-014-5796-2
Access Level:acceso abierto
Palabra clave:Gases -- Purification
Chemical scrubbers’ conversion
Biotrickling filterm
H2S
VOCs
Neutral pH operation
Gasos -- Depuració
Àrees temàtiques de la UPC::Enginyeria química
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spelling Conversion of chemical scrubbers to biotrickling filters for VOCs and H2S treatment at low contact timesSantos, AlfredoGuimerà Villalba, Xavier|||0000-0002-4156-2988Dorado Castaño, Antonio David|||0000-0003-0238-5867Gamisans Noguera, Javier|||0000-0003-1856-8692Gabriel Buguña, DavidGases -- PurificationChemical scrubbers’ conversionBiotrickling filtermH2SVOCsNeutral pH operationGasos -- DepuracióÀrees temàtiques de la UPC::Enginyeria químicaThe purpose of this work was to evaluate the technical and economical feasibility of converting three chemical scrubbers in series to biotrickling filters (BTFs) for the simultaneous removal of H2S and volatile organic compounds (VOCs). The conversion of the full-scale scrubbers was based on previous conversion protocols. Conversion mainly required replacing the original carrier material and recycle pumps as well as modifying the controls and operation of the reactors. Complete removal of H2S and VOCs on a routine basis was reached at neutral pH in a longer period of time compared to previous conversions reported. Biotrickling filters operated at a gas contact time of about 1.4 s per reactor and at pH controlled between 6.5 and 6.8. Inlet average concentrations below 10 ppmv of H2S and below 5 ppmv for VOCs were often completely removed. The first and second bioreactors played a primary role in H2S removal. Year-round operation of the biotrickling filters proved the ability of the system to handle progressive load increases of H2S and VOCs. However, fast, sudden load changes often lead to reduced removal efficiencies. Odor analyses showed average removal efficiencies above 80 %. Gas chromatography-mass spectrometry of selected samples showed that outlet odor concentration was due to limited removal of VOCs. The conversion showed was economically viable taking into account the theoretical consumption of chemicals needed for the absorption and oxidation of both H2S and VOCs.Peer Reviewed20152015-01-0120152015-02-12journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/26316https://dx.doi.org/10.1007/s00253-014-5796-2reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/263162026-05-27T15:37:01Z
dc.title.none.fl_str_mv Conversion of chemical scrubbers to biotrickling filters for VOCs and H2S treatment at low contact times
title Conversion of chemical scrubbers to biotrickling filters for VOCs and H2S treatment at low contact times
spellingShingle Conversion of chemical scrubbers to biotrickling filters for VOCs and H2S treatment at low contact times
Santos, Alfredo
Gases -- Purification
Chemical scrubbers’ conversion
Biotrickling filterm
H2S
VOCs
Neutral pH operation
Gasos -- Depuració
Àrees temàtiques de la UPC::Enginyeria química
title_short Conversion of chemical scrubbers to biotrickling filters for VOCs and H2S treatment at low contact times
title_full Conversion of chemical scrubbers to biotrickling filters for VOCs and H2S treatment at low contact times
title_fullStr Conversion of chemical scrubbers to biotrickling filters for VOCs and H2S treatment at low contact times
title_full_unstemmed Conversion of chemical scrubbers to biotrickling filters for VOCs and H2S treatment at low contact times
title_sort Conversion of chemical scrubbers to biotrickling filters for VOCs and H2S treatment at low contact times
dc.creator.none.fl_str_mv Santos, Alfredo
Guimerà Villalba, Xavier|||0000-0002-4156-2988
Dorado Castaño, Antonio David|||0000-0003-0238-5867
Gamisans Noguera, Javier|||0000-0003-1856-8692
Gabriel Buguña, David
author Santos, Alfredo
author_facet Santos, Alfredo
Guimerà Villalba, Xavier|||0000-0002-4156-2988
Dorado Castaño, Antonio David|||0000-0003-0238-5867
Gamisans Noguera, Javier|||0000-0003-1856-8692
Gabriel Buguña, David
author_role author
author2 Guimerà Villalba, Xavier|||0000-0002-4156-2988
Dorado Castaño, Antonio David|||0000-0003-0238-5867
Gamisans Noguera, Javier|||0000-0003-1856-8692
Gabriel Buguña, David
author2_role author
author
author
author
dc.subject.none.fl_str_mv Gases -- Purification
Chemical scrubbers’ conversion
Biotrickling filterm
H2S
VOCs
Neutral pH operation
Gasos -- Depuració
Àrees temàtiques de la UPC::Enginyeria química
topic Gases -- Purification
Chemical scrubbers’ conversion
Biotrickling filterm
H2S
VOCs
Neutral pH operation
Gasos -- Depuració
Àrees temàtiques de la UPC::Enginyeria química
description The purpose of this work was to evaluate the technical and economical feasibility of converting three chemical scrubbers in series to biotrickling filters (BTFs) for the simultaneous removal of H2S and volatile organic compounds (VOCs). The conversion of the full-scale scrubbers was based on previous conversion protocols. Conversion mainly required replacing the original carrier material and recycle pumps as well as modifying the controls and operation of the reactors. Complete removal of H2S and VOCs on a routine basis was reached at neutral pH in a longer period of time compared to previous conversions reported. Biotrickling filters operated at a gas contact time of about 1.4 s per reactor and at pH controlled between 6.5 and 6.8. Inlet average concentrations below 10 ppmv of H2S and below 5 ppmv for VOCs were often completely removed. The first and second bioreactors played a primary role in H2S removal. Year-round operation of the biotrickling filters proved the ability of the system to handle progressive load increases of H2S and VOCs. However, fast, sudden load changes often lead to reduced removal efficiencies. Odor analyses showed average removal efficiencies above 80 %. Gas chromatography-mass spectrometry of selected samples showed that outlet odor concentration was due to limited removal of VOCs. The conversion showed was economically viable taking into account the theoretical consumption of chemicals needed for the absorption and oxidation of both H2S and VOCs.
publishDate 2015
dc.date.none.fl_str_mv 2015
2015-01-01
2015
2015-02-12
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/26316
https://dx.doi.org/10.1007/s00253-014-5796-2
url https://hdl.handle.net/2117/26316
https://dx.doi.org/10.1007/s00253-014-5796-2
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,301603

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