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Adsorbent potential of cocoa pod husk activated charcoal to remove metals from the Ucayali River

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dc.contributor.authorLozano-Reátegui, R.M.
dc.contributor.authorAsencios-Tarazona, V.
dc.contributor.authorRuiz-Yance, I.O.
dc.contributor.authorGuerrero-Ochoa, M.R.
dc.contributor.authorPinedo-Chambi, W.
dc.contributor.authorMendoza-Carlos, M.M.
dc.date.accessioned2024-02-07T13:11:32Z
dc.date.available2024-02-07T13:11:32Z
dc.date.issued2024
dc.descriptionReceived: October 1st, 2023 ; Accepted: January 12th, 2024 ; Published: January 26th, 2024 ; Correspondence: rlozanor@unia.edu.peeng
dc.description.abstractThe problem of river water contamination due to the presence of dangerous metals for ichthyological flora and fauna and human health has motivated the search for innovative and feasible solutions. Therefore, the production of activated carbon from cocoa pod husks was investigated to eliminate metals present in the Ucayali River. Response surface methodology was used to optimize the manufacturing of the adsorbent and test its effectiveness in removing metals from water using a factorial design of 33 and 32, with three replicates each. The optimal amount of activated carbon (18.41 g) was obtained from 200 g of fresh cocoa pod husks. It was converted into activated carbon under the following conditions: thermal modification at 100, 150, and 200 °C; activation time of 1.0, 1.5, and 2.0 h; and pyrolysis and activation at 400, 500, and 600 °C. This allowed the elimination by efficient adsorption of 56.8% Fe2+, 68.4% Al3+, 65.9% Cu2+, and 55.5% Zn2+ from Ucayali River, thus demonstrating its adsorbent power. The results will make it possible to manufacture filters to decontaminate water containing heavy metals, thus guaranteeing its consumption.eng
dc.identifier.issn2228-4907
dc.identifier.publicationAgronomy Research, 2024, vol. 22, Special Issue 2, pp. 659–671eng
dc.identifier.urihttp://hdl.handle.net/10492/8840
dc.identifier.urihttps://doi.org/10.15159/ar.24.007
dc.publisherEstonian University of Life Scienceseng
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)eng
dc.rightsinfo:eu-repo/semantics/openAccesseng
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectadsorptioneng
dc.subjectheavy metalseng
dc.subjectpyrolysiseng
dc.subjectthermal modificationeng
dc.subjectwater pollutioneng
dc.subjectarticleseng
dc.titleAdsorbent potential of cocoa pod husk activated charcoal to remove metals from the Ucayali Rivereng
dc.typeinfo:eu-repo/semantics/articleeng

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2024, Vol. 22, Special Issue 2