Performance of a contact stabilization process for domestic wastewater treatment of cali, colombia

The contact stabilization process has been applied in full-scale plants which treat domestic wastewater. The main advantage of this process is the short hydraulic retention time (HRT) in the contact reactor (CR), allowing treatment volumes significantly lower than in conventional activated sludge pr...

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Autores:
Vásquez Sarria, Nancy
Rodríguez Victoria, Jenny Alexandra
Torres Lozada, Patricia
Madera Parra, Carlos Arturo
Tipo de recurso:
Article of journal
Fecha de publicación:
2011
Institución:
Universidad Nacional de Colombia
Repositorio:
Universidad Nacional de Colombia
Idioma:
spa
OAI Identifier:
oai:repositorio.unal.edu.co:unal/37997
Acceso en línea:
https://repositorio.unal.edu.co/handle/unal/37997
http://bdigital.unal.edu.co/28082/
Palabra clave:
Activated sludge
contact stabilization
organic matter removal
secondary wastewater treatment
Rights
openAccess
License
Atribución-NoComercial 4.0 Internacional
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repository_id_str
spelling Atribución-NoComercial 4.0 InternacionalDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Vásquez Sarria, Nancy9853dc5e-e8a9-421d-aa46-73daf5ba9781300Rodríguez Victoria, Jenny Alexandraeb40de1b-7fae-4b7b-a2fe-4269576d03df300Torres Lozada, Patricia2efc2da0-0823-4e06-ab5b-b5bcb22ea6dc300Madera Parra, Carlos Arturo35963ae1-4d9d-49ec-b422-c80a2884c1803002019-06-28T02:11:39Z2019-06-28T02:11:39Z2011https://repositorio.unal.edu.co/handle/unal/37997http://bdigital.unal.edu.co/28082/The contact stabilization process has been applied in full-scale plants which treat domestic wastewater. The main advantage of this process is the short hydraulic retention time (HRT) in the contact reactor (CR), allowing treatment volumes significantly lower than in conventional activated sludge processes. This paper presents an analysis of the influence of the HRT and sludge recycle rate (r), on the performance of a contact stabilization process to remove organic matter and solids from the domestic wastewater of the city of Cali (Colombia). The research was carried out at Cañaveralejo Wastewater Treatment Plant (C-WWTP) facilities. The contact stabilization process was assessed at a pilot-scale unit treating raw wastewater influent to the C-WWTP. The HRT varied between 0.84 to 1.66 h in the contact reactor and 2.56 to 4.65 h in the stabilization reactor (SR). The evaluation of HRT was carried out with different r varying between 40 and 100%. The operational conditions that allowed for us to obtain the best performance in terms of organic load removal (14.05 kgCOD.d¯¹), with removal efficiencies of chemical oxygen demand (COD), biological oxygen demand (BOD₅), and total suspended solids (TSS) of 86, 87, and 82 %, respectively, were an HRT of 0.84 h in CR, and 4.11 h in SR, with a sludge recycle rate of 40%. In order to guarantee this performance, average values of sludge retention time (SRT) of 6 d; a volumetric organic load (VOL) of 2.13 kgBOD₅.(mᶾ.d) ¯¹; a food microorganism relation (F/M) of 0.89 kgBOD₅.(kgVSS.d)¯¹; and a mixed liquor volatile suspended solids (MLVSS) of 1125 mg.L¯¹ in CR, and 3173 mg.L¯¹ in SR, must be maintained.application/pdfspaUniversidad Nacional de Colombia Sede Medellínhttp://revistas.unal.edu.co/index.php/dyna/article/view/26019Universidad Nacional de Colombia Revistas electrónicas UN DynaDynaDyna; Vol. 78, núm. 168 (2011); 98-107 DYNA; Vol. 78, núm. 168 (2011); 98-107 2346-2183 0012-7353Vásquez Sarria, Nancy and Rodríguez Victoria, Jenny Alexandra and Torres Lozada, Patricia and Madera Parra, Carlos Arturo (2011) Performance of a contact stabilization process for domestic wastewater treatment of cali, colombia. Dyna; Vol. 78, núm. 168 (2011); 98-107 DYNA; Vol. 78, núm. 168 (2011); 98-107 2346-2183 0012-7353 .Performance of a contact stabilization process for domestic wastewater treatment of cali, colombiaArtículo de revistainfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/ARTActivated sludgecontact stabilizationorganic matter removalsecondary wastewater treatmentORIGINAL26019-164654-1-PB.htmltext/html45391https://repositorio.unal.edu.co/bitstream/unal/37997/1/26019-164654-1-PB.html154dfb3f2c3eb4a7d78ef774bd7cb72fMD5126019-91138-1-PB.pdfapplication/pdf575922https://repositorio.unal.edu.co/bitstream/unal/37997/2/26019-91138-1-PB.pdfd6ec0eb0ff55a3882a5eb6abc0fe271bMD52THUMBNAIL26019-91138-1-PB.pdf.jpg26019-91138-1-PB.pdf.jpgGenerated Thumbnailimage/jpeg8841https://repositorio.unal.edu.co/bitstream/unal/37997/3/26019-91138-1-PB.pdf.jpg80a15fcfaf25b2c8e3c9421d1e1d1d2dMD53unal/37997oai:repositorio.unal.edu.co:unal/379972023-01-17 23:12:40.422Repositorio Institucional Universidad Nacional de Colombiarepositorio_nal@unal.edu.co
dc.title.spa.fl_str_mv Performance of a contact stabilization process for domestic wastewater treatment of cali, colombia
title Performance of a contact stabilization process for domestic wastewater treatment of cali, colombia
spellingShingle Performance of a contact stabilization process for domestic wastewater treatment of cali, colombia
Activated sludge
contact stabilization
organic matter removal
secondary wastewater treatment
title_short Performance of a contact stabilization process for domestic wastewater treatment of cali, colombia
title_full Performance of a contact stabilization process for domestic wastewater treatment of cali, colombia
title_fullStr Performance of a contact stabilization process for domestic wastewater treatment of cali, colombia
title_full_unstemmed Performance of a contact stabilization process for domestic wastewater treatment of cali, colombia
title_sort Performance of a contact stabilization process for domestic wastewater treatment of cali, colombia
dc.creator.fl_str_mv Vásquez Sarria, Nancy
Rodríguez Victoria, Jenny Alexandra
Torres Lozada, Patricia
Madera Parra, Carlos Arturo
dc.contributor.author.spa.fl_str_mv Vásquez Sarria, Nancy
Rodríguez Victoria, Jenny Alexandra
Torres Lozada, Patricia
Madera Parra, Carlos Arturo
dc.subject.proposal.spa.fl_str_mv Activated sludge
contact stabilization
organic matter removal
secondary wastewater treatment
topic Activated sludge
contact stabilization
organic matter removal
secondary wastewater treatment
description The contact stabilization process has been applied in full-scale plants which treat domestic wastewater. The main advantage of this process is the short hydraulic retention time (HRT) in the contact reactor (CR), allowing treatment volumes significantly lower than in conventional activated sludge processes. This paper presents an analysis of the influence of the HRT and sludge recycle rate (r), on the performance of a contact stabilization process to remove organic matter and solids from the domestic wastewater of the city of Cali (Colombia). The research was carried out at Cañaveralejo Wastewater Treatment Plant (C-WWTP) facilities. The contact stabilization process was assessed at a pilot-scale unit treating raw wastewater influent to the C-WWTP. The HRT varied between 0.84 to 1.66 h in the contact reactor and 2.56 to 4.65 h in the stabilization reactor (SR). The evaluation of HRT was carried out with different r varying between 40 and 100%. The operational conditions that allowed for us to obtain the best performance in terms of organic load removal (14.05 kgCOD.d¯¹), with removal efficiencies of chemical oxygen demand (COD), biological oxygen demand (BOD₅), and total suspended solids (TSS) of 86, 87, and 82 %, respectively, were an HRT of 0.84 h in CR, and 4.11 h in SR, with a sludge recycle rate of 40%. In order to guarantee this performance, average values of sludge retention time (SRT) of 6 d; a volumetric organic load (VOL) of 2.13 kgBOD₅.(mᶾ.d) ¯¹; a food microorganism relation (F/M) of 0.89 kgBOD₅.(kgVSS.d)¯¹; and a mixed liquor volatile suspended solids (MLVSS) of 1125 mg.L¯¹ in CR, and 3173 mg.L¯¹ in SR, must be maintained.
publishDate 2011
dc.date.issued.spa.fl_str_mv 2011
dc.date.accessioned.spa.fl_str_mv 2019-06-28T02:11:39Z
dc.date.available.spa.fl_str_mv 2019-06-28T02:11:39Z
dc.type.spa.fl_str_mv Artículo de revista
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url https://repositorio.unal.edu.co/handle/unal/37997
http://bdigital.unal.edu.co/28082/
dc.language.iso.spa.fl_str_mv spa
language spa
dc.relation.spa.fl_str_mv http://revistas.unal.edu.co/index.php/dyna/article/view/26019
dc.relation.ispartof.spa.fl_str_mv Universidad Nacional de Colombia Revistas electrónicas UN Dyna
Dyna
dc.relation.ispartofseries.none.fl_str_mv Dyna; Vol. 78, núm. 168 (2011); 98-107 DYNA; Vol. 78, núm. 168 (2011); 98-107 2346-2183 0012-7353
dc.relation.references.spa.fl_str_mv Vásquez Sarria, Nancy and Rodríguez Victoria, Jenny Alexandra and Torres Lozada, Patricia and Madera Parra, Carlos Arturo (2011) Performance of a contact stabilization process for domestic wastewater treatment of cali, colombia. Dyna; Vol. 78, núm. 168 (2011); 98-107 DYNA; Vol. 78, núm. 168 (2011); 98-107 2346-2183 0012-7353 .
dc.rights.spa.fl_str_mv Derechos reservados - Universidad Nacional de Colombia
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dc.rights.license.spa.fl_str_mv Atribución-NoComercial 4.0 Internacional
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dc.rights.accessrights.spa.fl_str_mv info:eu-repo/semantics/openAccess
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Derechos reservados - Universidad Nacional de Colombia
http://creativecommons.org/licenses/by-nc/4.0/
http://purl.org/coar/access_right/c_abf2
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dc.publisher.spa.fl_str_mv Universidad Nacional de Colombia Sede Medellín
institution Universidad Nacional de Colombia
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