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dc.contributor.authorBehling de Calmón, Elisabeth
dc.contributor.authorMarín Leal, Julio César
dc.contributor.authorChirinos, Ana
dc.contributor.authorRincón Lizardo, Nancy
dc.contributor.authorColina Andrade, Gilberto
dc.contributor.authorMesa, Johan
dc.date.accessioned2020-01-08T19:04:30Z
dc.date.available2020-01-08T19:04:30Z
dc.date.issued2012-12-01
dc.identifierhttps://revistas.unimilitar.edu.co/index.php/rcin/article/view/238
dc.identifier10.18359/rcin.238
dc.identifier.urihttp://hdl.handle.net/10654/33086
dc.descriptionThis paper deals with the organic load rate (OLR) influence upon removal efficiency of aerobic rotating biological contactor (RBC), i.e. 3-stage reactors by treatment of an industrial synthetic effluent in order to establish adjustment of closing effluent in compliance with Venezuelan legislation. Upon experiment and based on standard methods we evaluated pH, total alkalinity, dissolved oxygen, biological oxygen demand (BOD), chemical oxygen demand (COD), total suspended solid (TSS), overall Kjeldahl nitrogen (TKN), NH4 +, NO2 - and NO3 - . A variation of OLR applied was obtained by modifying hydraulic retention time (HRT) (24, 12, and 6 h), staying constant the initial COD (synthetic influent of sucrose+ urea.) The greater efficiency of COD removal was got for an overall OLR of 11.68 gCOD/m2 .d (96.25%, HRT=12 h.) Removal efficiencies of overall N-total in HRT 24 and 12 h were 66.92 and 62.95%, respectively. The major C&N removal was got during the first stage of reactors to comply with Venezuelan COD allowable limit  (<350 mg/L). A likely occurrence of nitrification process triggered increased inorganic nitrogen concentrations by final effluent. eng
dc.descriptionEl presente artículo incluye el estudio de la influencia de la carga orgánica (CO) sobre la eficiencia de reactores biológicos rotativos de contacto (RBC), aerobios de tres etapas, al tratar un efluente industrial sintético, con la finalidad de establecer la adecuación del efluente final con respecto a los límites de descarga establecidos en la normativa de Venezuela. Durante la experimentación, se evaluaron pH, alcalinidad total, oxígeno disuelto, demanda biológica de oxígeno (DBO), demanda química de oxígeno (DQO), sólidos suspendidos totales (SST), nitrógeno total Kjeldahl (NTK), NH4+, NO2- y NO3-, de acuerdo con los métodos estándares. La variación de la CO aplicada se obtuvo mediante modificación del tiempo de retención hidráulico (TRH), (24, 12 y 6 h), y se mantuvo constante la DQO de entrada (influente sintético de sacarosa+ urea). La mayor eficiencia de remoción de DQO se obtuvo para un CO global de 11,68 gDQO/m2.d (96,25%; TRH=12 h). Para los TRH 24 y 12 h, la eficiencia de remoción global de N-total fue de 66,92 y 62,95%, respectivamente. La mayor remoción de C y de N se obtuvo en la primera etapa de los reactores y se logró cumplir con el límite venezolano permisible de descarga para DQO (<350 mg/L). La posible ocurrencia del proceso de nitrificación repercutió sobre el aumento de las concentraciones de nitrógeno inorgánico en el efluente final.spa
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dc.publisherUniversidad Militar Nueva Granadaspa
dc.rightsDerechos de autor 2016 Ciencia e Ingeniería Neogranadinaspa
dc.rightshttps://creativecommons.org/licenses/by-nc-nd/4.0spa
dc.sourceCiencia e Ingenieria Neogranadina; Vol 22 No 2 (2012); 7-24eng
dc.sourceCiencia e Ingeniería Neogranadina; Vol. 22 Núm. 2 (2012); 7-24spa
dc.sourceCiencia e Ingeniería Neogranadina; v. 22 n. 2 (2012); 7-24por
dc.source1909-7735
dc.source0124-8170
dc.titleAn organic load influence upon 3-stage RBC reactors performance to treat a synthetic effluenteng
dc.titleInfluencia de la carga orgánica sobre la eficiencia de reactores RBC de tres etapas en el tratamiento de un efluente industrial sintéticospa
dc.typeinfo:eu-repo/semantics/article
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dc.subject.proposalBiological treatmenteng
dc.subject.proposalhydraulic retention timeeng
dc.subject.proposalindustrial wastewaterseng
dc.subject.proposalorganic load rateeng
dc.subject.proposalRBC reactor.eng
dc.subject.proposalaguas residuales industrialesspa
dc.subject.proposalcarga orgánicaspa
dc.subject.proposalreactor RBCspa
dc.subject.proposaltiempo de retención hidráulicospa
dc.subject.proposaltratamiento biológicospa


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