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This highlights the need for responsible management to meet Sustainable Development Goals (SDGs) 3, 6, 12, 13, 14, and 15, which promote health, access to clean water, responsible consumption, climate action, and the protection of life on land and below water. This study aimed to produce activated carbon from cocoa, baru, and monguba residues for the removal of contaminants dyes (methylene blue, bromocresol green, and methyl red) presented in wastewater. The three materials were carbonized at 500 \u00b0C for one hour under a nitrogen atmosphere and activated with H3PO4. The samples were characterized using TGA, SEM, XRD, FT-IR, pHPZC, and ASAP, in addition to conducting kinetic and thermodynamic parameter assays for the dyes. Monguba carbon exhibited the highest pore volume (1.57 cm3\u00b7g\u22121), surface area (1604 m2\u00b7g\u22121), and adsorption capacity for methylene blue and methyl red (50 mg\u00b7g\u22121). The data were analyzed using pseudo-first and pseudo-second order kinetic models. It was concluded that monguba carbon shows potential for the sustainable removal of organic dyes and molecules with similar characteristics in contaminated water or wastewater.<\/jats:p>","DOI":"10.3390\/su17052036","type":"journal-article","created":{"date-parts":[[2025,2,27]],"date-time":"2025-02-27T03:37:57Z","timestamp":1740627477000},"page":"2036","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Agro-Industrial Waste Upcycling into Activated Carbons: A Sustainable Approach for Dye Removal and Wastewater Treatment"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8930-4139","authenticated-orcid":false,"given":"Beatriz","family":"Alvez-Tovar","sequence":"first","affiliation":[{"name":"Institute of Experimental Biology, Faculty of Sciences, Central University of Venezuela-UCV, University City of Caracas, Capital District, Caracas 47604, Venezuela"},{"name":"School of Civil and Environmental Engineering, Federal University of Goi\u00e1s-UFG, Colemar-Natal Campus, Goi\u00e2nia 74690-900, Goi\u00e1s, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0833-7826","authenticated-orcid":false,"given":"Paulo Sergio","family":"Scalize","sequence":"additional","affiliation":[{"name":"School of Civil and Environmental Engineering, Federal University of Goi\u00e1s-UFG, Colemar-Natal Campus, Goi\u00e2nia 74690-900, Goi\u00e1s, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-7649-960X","authenticated-orcid":false,"given":"Giovanny","family":"Angiolillo-Rodr\u00edguez","sequence":"additional","affiliation":[{"name":"Postgraduate Program in Agroecology, State University of Maranh\u00e3o-UEMA, Paulo VI University City, S\u00e3o Lu\u00eds 65800-000, Maranh\u00e3o, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7099-0685","authenticated-orcid":false,"given":"Antonio","family":"Albuquerque","sequence":"additional","affiliation":[{"name":"GeoBioTec, Civil Engineering and Architecture Department, University of Beira Interior, Fonte Cal\u00e7ada do Lameiro, 6201-001 Covilh\u00e3, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-8496-5712","authenticated-orcid":false,"given":"Malorie Ndemengane","family":"Ebang","sequence":"additional","affiliation":[{"name":"Stricto Sensu Graduate Program in Environmental and Sanitary Engineering (PPGEAS), School of Civil and Environmental Engineering, Federal University of Goi\u00e1s-UFG, Colemar-Natal Campus, Goi\u00e2nia 74690-900, Goi\u00e1s, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8852-5471","authenticated-orcid":false,"given":"Tatianne Ferreira","family":"de Oliveira","sequence":"additional","affiliation":[{"name":"Department of Food Engineering, School of Agronomy, Federal University of Goi\u00e1s-UFG, Samambaia Campus, Goi\u00e2nia 74690-900, Goi\u00e1s, Brazil"}]}],"member":"1968","published-online":{"date-parts":[[2025,2,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"111544","DOI":"10.1016\/j.inoche.2023.111544","article-title":"Adsorption of Methyl Red on Porous Activated Carbon from Agriculture Waste: Characterization and Response Surface Methodology Optimization","volume":"158","author":"Bouzid","year":"2023","journal-title":"Inorg. 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