Catalytic Oxidation of Ponceau 4R in Aqueous Solution using Iron-impregnated Al-pillared Bentonite: Optimization of the Process
The application of the Fenton-like process for the oxidation of an aqueous solution of Ponceau 4R dye, using an aluminum pillared clay impregnated with iron (Fe(wt%)/Al-PILC) as catalyst, was investigated. The Response Surface Methodology (RSM), based on a Central Composite Design (CCD) was used to...
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| Format: | Article |
| Language: | English |
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Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)
2021-09-01
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| Series: | Bulletin of Chemical Reaction Engineering & Catalysis |
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| Online Access: | https://journal.bcrec.id/index.php/bcrec/article/view/10757 |
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| author | Paula Andrea Henao-Aguirre Iván Fernando Macías-Quiroga Gloria Inés Giraldo-Gómez Nancy Rocío Sanabria-González |
| author_facet | Paula Andrea Henao-Aguirre Iván Fernando Macías-Quiroga Gloria Inés Giraldo-Gómez Nancy Rocío Sanabria-González |
| author_sort | Paula Andrea Henao-Aguirre |
| collection | DOAJ |
| description | The application of the Fenton-like process for the oxidation of an aqueous solution of Ponceau 4R dye, using an aluminum pillared clay impregnated with iron (Fe(wt%)/Al-PILC) as catalyst, was investigated. The Response Surface Methodology (RSM), based on a Central Composite Design (CCD) was used to evaluate and optimize the oxidation process of a Ponceau 4R solution. Three independent variables were studied in the experimental design: the amount of H2O2 expressed in multiples of times of stoichiometry dose, iron concentration incorporated by impregnation onto aluminum pillared clay (Fe(wt%)), and amount of catalyst (Fe(wt%)/Al-PILC). The response variables were decolorization and total organic carbon (TOC) removal. The significance of independent variables and their interactions were tested by means of analysis of variance (ANOVA), with a 95% confidence level. With low stoichiometric dose of H2O2 (0.96 and 1.54 times), medium amount of catalyst (374.4 and 391.3 mg) and high Fe concentration impregnated in pillared clay (9.3 and 7.7 wt%), the total decolorization and high TOC removal were achieved. Under multi-objective optimization conditions (3.0 times the stoichiometric dose of H2O2, 420 mg Fe(wt%)/Al-PILC and 5.5 wt% Fe impregnated in Al-PILC), it was possible to achieve 86.18% decolorization and 66.81% TOC removal after 5 h of reaction at 25 °C, with the additional advantage of showing an iron leaching of less than 0.10 mg/L. The established models' soundness is confirmed by a good fit between predictive models and experimental results. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). |
| first_indexed | 2024-03-11T22:51:08Z |
| format | Article |
| id | doaj.art-d72e582ba8b84b619b99c61da82c2eaa |
| institution | Directory Open Access Journal |
| issn | 1978-2993 |
| language | English |
| last_indexed | 2024-03-11T22:51:08Z |
| publishDate | 2021-09-01 |
| publisher | Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS) |
| record_format | Article |
| series | Bulletin of Chemical Reaction Engineering & Catalysis |
| spelling | doaj.art-d72e582ba8b84b619b99c61da82c2eaa2023-09-22T03:36:06ZengMasyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)Bulletin of Chemical Reaction Engineering & Catalysis1978-29932021-09-0116349150610.9767/bcrec.16.3.10757.491-5065059Catalytic Oxidation of Ponceau 4R in Aqueous Solution using Iron-impregnated Al-pillared Bentonite: Optimization of the ProcessPaula Andrea Henao-Aguirre0Iván Fernando Macías-Quiroga1Gloria Inés Giraldo-Gómez2Nancy Rocío Sanabria-González3https://orcid.org/0000-0002-4081-4004Department of Chemical Engineering, Faculty of Engineering and Architecture, Universidad Nacional de Colombia sede Manizales, Campus La Nubia, km 7 Vía al Aeropuerto, AA 127 Manizales, ColombiaDepartment of Chemical Engineering, Faculty of Engineering and Architecture, Universidad Nacional de Colombia sede Manizales, Campus La Nubia, km 7 Vía al Aeropuerto, AA 127 Manizales, ColombiaDepartment of Physics and Chemical, Faculty of Exact and Natural Sciences, Universidad Nacional de Colombia sede Manizales, Campus La Nubia, km 7 Vía al Aeropuerto, AA 127 Manizales, ColombiaDepartment of Chemical Engineering, Faculty of Engineering and Architecture, Universidad Nacional de Colombia sede Manizales, Campus La Nubia, km 7 Vía al Aeropuerto, AA 127 Manizales, ColombiaThe application of the Fenton-like process for the oxidation of an aqueous solution of Ponceau 4R dye, using an aluminum pillared clay impregnated with iron (Fe(wt%)/Al-PILC) as catalyst, was investigated. The Response Surface Methodology (RSM), based on a Central Composite Design (CCD) was used to evaluate and optimize the oxidation process of a Ponceau 4R solution. Three independent variables were studied in the experimental design: the amount of H2O2 expressed in multiples of times of stoichiometry dose, iron concentration incorporated by impregnation onto aluminum pillared clay (Fe(wt%)), and amount of catalyst (Fe(wt%)/Al-PILC). The response variables were decolorization and total organic carbon (TOC) removal. The significance of independent variables and their interactions were tested by means of analysis of variance (ANOVA), with a 95% confidence level. With low stoichiometric dose of H2O2 (0.96 and 1.54 times), medium amount of catalyst (374.4 and 391.3 mg) and high Fe concentration impregnated in pillared clay (9.3 and 7.7 wt%), the total decolorization and high TOC removal were achieved. Under multi-objective optimization conditions (3.0 times the stoichiometric dose of H2O2, 420 mg Fe(wt%)/Al-PILC and 5.5 wt% Fe impregnated in Al-PILC), it was possible to achieve 86.18% decolorization and 66.81% TOC removal after 5 h of reaction at 25 °C, with the additional advantage of showing an iron leaching of less than 0.10 mg/L. The established models' soundness is confirmed by a good fit between predictive models and experimental results. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).https://journal.bcrec.id/index.php/bcrec/article/view/10757fenton likepillared clayponceau 4rdecolorizationexperimental design |
| spellingShingle | Paula Andrea Henao-Aguirre Iván Fernando Macías-Quiroga Gloria Inés Giraldo-Gómez Nancy Rocío Sanabria-González Catalytic Oxidation of Ponceau 4R in Aqueous Solution using Iron-impregnated Al-pillared Bentonite: Optimization of the Process Bulletin of Chemical Reaction Engineering & Catalysis fenton like pillared clay ponceau 4r decolorization experimental design |
| title | Catalytic Oxidation of Ponceau 4R in Aqueous Solution using Iron-impregnated Al-pillared Bentonite: Optimization of the Process |
| title_full | Catalytic Oxidation of Ponceau 4R in Aqueous Solution using Iron-impregnated Al-pillared Bentonite: Optimization of the Process |
| title_fullStr | Catalytic Oxidation of Ponceau 4R in Aqueous Solution using Iron-impregnated Al-pillared Bentonite: Optimization of the Process |
| title_full_unstemmed | Catalytic Oxidation of Ponceau 4R in Aqueous Solution using Iron-impregnated Al-pillared Bentonite: Optimization of the Process |
| title_short | Catalytic Oxidation of Ponceau 4R in Aqueous Solution using Iron-impregnated Al-pillared Bentonite: Optimization of the Process |
| title_sort | catalytic oxidation of ponceau 4r in aqueous solution using iron impregnated al pillared bentonite optimization of the process |
| topic | fenton like pillared clay ponceau 4r decolorization experimental design |
| url | https://journal.bcrec.id/index.php/bcrec/article/view/10757 |
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