Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System
A bicarbonate-peroxide (BAP) system was evaluated to improve the quality of industrial tannery wastewater using an I-optimal experimental design with four variables (temperature, initial pH, bicarbonate, and H2O2 concentration). The response variables were COD removal, ammonia nitrogen removal, and...
- Autores:
-
Urbina-Suarez, Nestor Andres
Salcedo Pabón, Cristian Jesús
López Barrera, German Luciano
García-Martinez, Janet
Barajas Solano, andres F
Machuca-Martínez, Fiderman
- Tipo de recurso:
- Article of journal
- Fecha de publicación:
- 2023
- Institución:
- Universidad Francisco de Paula Santander
- Repositorio:
- Repositorio Digital UFPS
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.ufps.edu.co:ufps/6748
- Acceso en línea:
- https://repositorio.ufps.edu.co/handle/ufps/6748
https://doi.org/10.3390/chemengineering7040062
- Palabra clave:
- BAP system
bicarbonate
AOPs
hydrogen peroxide
COD
ammonium oxidation
tannery wastewater
- Rights
- openAccess
- License
- https://creativecommons.org/licenses/by/4.0/
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Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System |
| title |
Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System |
| spellingShingle |
Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System BAP system bicarbonate AOPs hydrogen peroxide COD ammonium oxidation tannery wastewater |
| title_short |
Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System |
| title_full |
Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System |
| title_fullStr |
Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System |
| title_full_unstemmed |
Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System |
| title_sort |
Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System |
| dc.creator.fl_str_mv |
Urbina-Suarez, Nestor Andres Salcedo Pabón, Cristian Jesús López Barrera, German Luciano García-Martinez, Janet Barajas Solano, andres F Machuca-Martínez, Fiderman |
| dc.contributor.author.none.fl_str_mv |
Urbina-Suarez, Nestor Andres Salcedo Pabón, Cristian Jesús López Barrera, German Luciano García-Martinez, Janet Barajas Solano, andres F Machuca-Martínez, Fiderman |
| dc.subject.proposal.eng.fl_str_mv |
BAP system bicarbonate AOPs hydrogen peroxide COD ammonium oxidation tannery wastewater |
| topic |
BAP system bicarbonate AOPs hydrogen peroxide COD ammonium oxidation tannery wastewater |
| description |
A bicarbonate-peroxide (BAP) system was evaluated to improve the quality of industrial tannery wastewater using an I-optimal experimental design with four variables (temperature, initial pH, bicarbonate, and H2O2 concentration). The response variables were COD removal, ammonia nitrogen removal, and nitrate concentration. The most critical variables were optimized using a The process was carried out in 500 mL reactors, the operational volume of 250 mL, and the agitation was at 550 rpm. A new I-optimal reaction surface design at two levels (bicarbonate concentration 0.01–0.3 mol/L and H2O2 0.05–0.35 mol/L) was used to obtain the optimal data of the experimental design. Optimal conditions were validated by one-way ANOVA statistical analysis using Prism software. Temperatures above 50 °C promote the efficiency of the BAP system, and slightly acidic initial pHs allow stabilization of the system upon inclusion of bicarbonate and peroxide in the concentration of bicarbonate, which is critical for the reaction with peroxide and formation of reactive oxygen species. With the validated optimal data, removal percentages above 78% were achieved for nitrites, ammonia nitrogen, chromium, TSS, BOD, conductivity, chromium, and chlorides; for COD and TOC, removal percentages were above 45%, these results being equal and even higher than other AOPs implemented for this type of water. |
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2023 |
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2023-07-16 |
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2024-03-21T16:13:04Z |
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2024-03-21T16:13:04Z |
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https://repositorio.ufps.edu.co/handle/ufps/6748 |
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https://doi.org/10.3390/chemengineering7040062 |
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https://repositorio.ufps.edu.co/handle/ufps/6748 https://doi.org/10.3390/chemengineering7040062 |
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eng |
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Urbina-Suarez, N.A.; Salcedo-Pabón, C.J.; López-Barrera, G.L.; García-Martínez, J.B.; Barajas-Solano, A.F.; Machuca-Martínez, F. Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System. ChemEngineering 2023, 7, 62. https://doi.org/10.3390/ chemengineering7040062 |
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Vol.7 N°62 (2023) |
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16 |
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62.(2023) |
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Urbina-Suarez, Nestor Andres3e8ce1897f5d9382bb88755e9ec9cb96600Salcedo Pabón, Cristian Jesús8d988cbcaab55614218af3571f358f88600López Barrera, German Luciano332ac6b52127580d0633e118d7f54cb8600García-Martinez, Janet80edb67ba4cf51c8ef0d2bf62e0faa4d600Barajas Solano, andres F7237a5ca918751f9d045f15b62fd2f1f600Machuca-Martínez, Fiderman9a1fd86dddd0f27fd5ac46364f0a3a8d6002024-03-21T16:13:04Z2024-03-21T16:13:04Z2023-07-16https://repositorio.ufps.edu.co/handle/ufps/6748https://doi.org/10.3390/chemengineering7040062A bicarbonate-peroxide (BAP) system was evaluated to improve the quality of industrial tannery wastewater using an I-optimal experimental design with four variables (temperature, initial pH, bicarbonate, and H2O2 concentration). The response variables were COD removal, ammonia nitrogen removal, and nitrate concentration. The most critical variables were optimized using a The process was carried out in 500 mL reactors, the operational volume of 250 mL, and the agitation was at 550 rpm. A new I-optimal reaction surface design at two levels (bicarbonate concentration 0.01–0.3 mol/L and H2O2 0.05–0.35 mol/L) was used to obtain the optimal data of the experimental design. Optimal conditions were validated by one-way ANOVA statistical analysis using Prism software. Temperatures above 50 °C promote the efficiency of the BAP system, and slightly acidic initial pHs allow stabilization of the system upon inclusion of bicarbonate and peroxide in the concentration of bicarbonate, which is critical for the reaction with peroxide and formation of reactive oxygen species. With the validated optimal data, removal percentages above 78% were achieved for nitrites, ammonia nitrogen, chromium, TSS, BOD, conductivity, chromium, and chlorides; for COD and TOC, removal percentages were above 45%, these results being equal and even higher than other AOPs implemented for this type of water.16 Páginasapplication/pdfengChemEngineeringUrbina-Suarez, N.A.; Salcedo-Pabón, C.J.; López-Barrera, G.L.; García-Martínez, J.B.; Barajas-Solano, A.F.; Machuca-Martínez, F. Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System. ChemEngineering 2023, 7, 62. https://doi.org/10.3390/ chemengineering7040062Vol.7 N°62 (2023)1662.(2023)17© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).https://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessAtribución 4.0 Internacional (CC BY 4.0)http://purl.org/coar/access_right/c_abf2https://www.mdpi.com/2305-7084/7/4/62Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide SystemArtículo de revistahttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1Textinfo:eu-repo/semantics/articlehttp://purl.org/redcol/resource_type/ARTinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/version/c_970fb48d4fbd8a85BAP systembicarbonateAOPshydrogen peroxideCODammonium oxidationtannery wastewaterUrbina-suarez, N.A.; Machuca-martínez, F.; Barajas-solano, A.F. Advanced Oxidation Processes and Biotechnological Alternatives for the Treatment of Tannery Wastewater. 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[CrossRef]ORIGINALUsing the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System.pdfUsing the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System.pdfapplication/pdf2559031https://repositorio.ufps.edu.co/bitstream/ufps/6748/1/Using%20the%20Response%20Surface%20Methodology%20to%20Treat%20Tannery%20Wastewater%20with%20the%20Bicarbonate-Peroxide%20System.pdffe69533c1f276e6a41360bda07849051MD51open accessLICENSElicense.txtlicense.txttext/plain; charset=utf-814828https://repositorio.ufps.edu.co/bitstream/ufps/6748/2/license.txt2f9959eaf5b71fae44bbf9ec84150c7aMD52open accessTEXTUsing the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System.pdf.txtUsing the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System.pdf.txtExtracted texttext/plain69473https://repositorio.ufps.edu.co/bitstream/ufps/6748/3/Using%20the%20Response%20Surface%20Methodology%20to%20Treat%20Tannery%20Wastewater%20with%20the%20Bicarbonate-Peroxide%20System.pdf.txt08fb3618431f02a1e020667b95de4e70MD53open accessTHUMBNAILUsing the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System.pdf.jpgUsing the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System.pdf.jpgGenerated Thumbnailimage/jpeg15806https://repositorio.ufps.edu.co/bitstream/ufps/6748/4/Using%20the%20Response%20Surface%20Methodology%20to%20Treat%20Tannery%20Wastewater%20with%20the%20Bicarbonate-Peroxide%20System.pdf.jpg336592270d6f189c57b537355d044712MD54open accessufps/6748oai:repositorio.ufps.edu.co:ufps/67482024-03-22 03:00:27.161An error occurred on the license name.|||https://creativecommons.org/licenses/by/4.0/open accessRepositorio Universidad Francisco de Paula 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 incorporada en las Obras Colectivas.

b.	Distribuir copias o fonogramas de las Obras, exhibirlas públicamente, ejecutarlas públicamente y/o ponerlas a disposición pública, incluyéndolas como incorporadas en Obras Colectivas, según corresponda.

c.	Distribuir copias de las Obras Derivadas que se generen, exhibirlas públicamente, ejecutarlas públicamente y/o ponerlas a disposición pública.
Los derechos mencionados anteriormente pueden ser ejercidos en todos los medios y formatos, actualmente conocidos o que se inventen en el futuro. Los derechos antes mencionados incluyen el derecho a realizar dichas modificaciones en la medida que sean técnicamente necesarias para ejercer los derechos en otro medio o formatos, pero de otra manera usted no está autorizado para realizar obras derivadas. Todos los derechos no otorgados expresamente por el Licenciante quedan por este medio reservados, incluyendo pero sin limitarse a aquellos que se mencionan en las secciones 4(d) y 4(e).

4. Restricciones.
La licencia otorgada en la anterior Sección 3 está expresamente sujeta y limitada por las siguientes restricciones:

a.	Usted puede distribuir, exhibir públicamente, ejecutar públicamente, o poner a disposición pública la Obra sólo bajo las condiciones de esta Licencia, y Usted debe incluir una copia de esta licencia o del Identificador Universal de Recursos de la misma con cada copia de la Obra que distribuya, exhiba públicamente, ejecute públicamente o ponga a disposición pública. No es posible ofrecer o imponer ninguna condición sobre la Obra que altere o limite las condiciones de esta Licencia o el ejercicio de los derechos de los destinatarios otorgados en este documento. No es posible sublicenciar la Obra. Usted debe mantener intactos todos los avisos que hagan referencia a esta Licencia y a la cláusula de limitación de garantías. Usted no puede distribuir, exhibir públicamente, ejecutar públicamente, o poner a disposición pública la Obra con alguna medida tecnológica que controle el acceso o la utilización de ella de una forma que sea inconsistente con las condiciones de esta Licencia. Lo anterior se aplica a la Obra incorporada a una Obra Colectiva, pero esto no exige que la Obra Colectiva aparte de la obra misma quede sujeta a las condiciones de esta Licencia. Si Usted crea una Obra Colectiva, previo aviso de cualquier Licenciante debe, en la medida de lo posible, eliminar de la Obra Colectiva cualquier referencia a dicho Licenciante o al Autor Original, según lo solicitado por el Licenciante y conforme lo exige la cláusula 4(c).

b.	Usted no puede ejercer ninguno de los derechos que le han sido otorgados en la Sección 3 precedente de modo que estén principalmente destinados o directamente dirigidos a conseguir un provecho comercial o una compensación monetaria privada. El intercambio de la Obra por otras obras protegidas por derechos de autor, ya sea a través de un sistema para compartir archivos digitales (digital file-sharing) o de cualquier otra manera no será considerado como estar destinado principalmente o dirigido directamente a conseguir un provecho comercial o una compensación monetaria privada, siempre que no se realice un pago mediante una compensación monetaria en relación con el intercambio de obras protegidas por el derecho de autor.

c.	Si usted distribuye, exhibe públicamente, ejecuta públicamente o ejecuta públicamente en forma digital la Obra o cualquier Obra Derivada u Obra Colectiva, Usted debe mantener intacta toda la información de derecho de autor de la Obra y proporcionar, de forma razonable según el medio o manera que Usted esté utilizando: (i) el nombre del Autor Original si está provisto (o seudónimo, si fuere aplicable), y/o (ii) el nombre de la parte o las partes que el Autor Original y/o el Licenciante hubieren designado para la atribución (v.g., un instituto patrocinador, editorial, publicación) en la información de los derechos de autor del Licenciante, términos de servicios o de otras formas razonables; el título de la Obra si está provisto; en la medida de lo razonablemente factible y, si está provisto, el Identificador Uniforme de Recursos (Uniform Resource Identifier) que el Licenciante especifica para ser asociado con la Obra, salvo que tal URI no se refiera a la nota sobre los derechos de autor o a la información sobre el licenciamiento de la Obra; y en el caso de una Obra Derivada, atribuir el crédito identificando el uso de la Obra en la Obra Derivada (v.g., "Traducción Francesa de la Obra del Autor Original," o "Guión Cinematográfico basado en la Obra original del Autor Original"). Tal crédito puede ser implementado de cualquier forma razonable; en el caso, sin embargo, de Obras Derivadas u Obras Colectivas, tal crédito aparecerá, como mínimo, donde aparece el crédito de cualquier otro autor comparable y de una manera, al menos, tan destacada como el crédito de otro autor comparable.

d.	Para evitar toda confusión, el Licenciante aclara que, cuando la obra es una composición musical:

i.	Regalías por interpretación y ejecución bajo licencias generales. El Licenciante se reserva el derecho exclusivo de autorizar la ejecución pública o la ejecución pública digital de la obra y de recolectar, sea individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, SAYCO), las regalías por la ejecución pública o por la ejecución pública digital de la obra (por ejemplo Webcast) licenciada bajo licencias generales, si la interpretación o ejecución de la obra está primordialmente orientada por o dirigida a la obtención de una ventaja comercial o una compensación monetaria privada.

ii.	Regalías por Fonogramas. El Licenciante se reserva el derecho exclusivo de recolectar, individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, los consagrados por la SAYCO), una agencia de derechos musicales o algún agente designado, las regalías por cualquier fonograma que Usted cree a partir de la obra (“versión cover”) y distribuya, en los términos del régimen de derechos de autor, si la creación o distribución de esa versión cover está primordialmente destinada o dirigida a obtener una ventaja comercial o una compensación monetaria privada.

e.	Gestión de Derechos de Autor sobre Interpretaciones y Ejecuciones Digitales (WebCasting). Para evitar toda confusión, el Licenciante aclara que, cuando la obra sea un fonograma, el Licenciante se reserva el derecho exclusivo de autorizar la ejecución pública digital de la obra (por ejemplo, webcast) y de recolectar, individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, ACINPRO), las regalías por la ejecución pública digital de la obra (por ejemplo, webcast), sujeta a las disposiciones aplicables del régimen de Derecho de Autor, si esta ejecución pública digital está primordialmente dirigida a obtener una ventaja comercial o una compensación monetaria privada.

5. Representaciones, Garantías y Limitaciones de Responsabilidad.
A MENOS QUE LAS PARTES LO ACORDARAN DE OTRA FORMA POR ESCRITO, EL LICENCIANTE OFRECE LA OBRA (EN EL ESTADO EN EL QUE SE ENCUENTRA) “TAL CUAL”, SIN BRINDAR GARANTÍAS DE CLASE ALGUNA RESPECTO DE LA OBRA, YA SEA EXPRESA, IMPLÍCITA, LEGAL O CUALQUIERA OTRA, INCLUYENDO, SIN LIMITARSE A ELLAS, GA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