Leachate Treatment by Fenton Oxidation and Adsorption on Eggshell and Activated Carbon
E. Zamora-Villafranco, I. D. Barceló-Quintal, A. Vega-Paz, H. E. Solís-Correa, R. I. Méndez-Novelo, G. Giacomán-Vallejos
Current Journal of Applied Science and Technology · pp. 1–18 · Published 27 Aug 2016
10.9734/BJAST/2016/28051Abstract
The aim of this study was to evaluate the treatment of leachate from landfill through to Fenton advanced oxidation process with subsequent adsorption on the eggshell (ES) and activated carbon (AC). The project was carried out in laboratories of the Area of Chemistry and Physical Chemistry in Environmental of the University Autonomous Metropolitan-Azcapotzalco, between January 2012 and October 2014. The raw leached was chemically characterized by different techniques, some organic compounds by IR and chromatography coupled to mass gases were identified in the crude leached, pH was adjusted and relationship [Fe2+]/[H2O2] was optimized for oxidation treatment; followed by adsorption with eggshell by the technique of batch. ES particle size was selected by adsorption. The adsorbent treatment was completed with activated carbon, therefore the surface area of both adsorbents was measured and leached oxidized was characterized after each adsorption. Finally adsorption kinetics of pseudo- first-order and pseudo-second-order were obtained, where both kinetics were fulfilled. Freundlich and Temkin isotherms were calculated where the latter presented the best fit. With ES as adsorbent there was good COD removal, saving the use of activated carbon in all adsorption processes. Also to use ES as this investigation, contributes to environment as it is a residue. The liquid finally obtained with all complete treatment satisfied the NOM-001-SEMARNAT-1996 Mexican Standard.
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Cited by 4
A. A. May-Marrufo, R. Méndez-Novelo, Icela Dagmar Barceló-Quintal · 2017
Díaz Sebastián, Solís Correa Hugo Eduardo, Gómez Salazar Sergio · Journal of Environmental Protection · 2021
Universidad Escuela de Administración, Finanzas y Tecnología (EAFIT), Edison GilPavas, Paula Eliana Arbeláez-Castaño · Revista Internacional de Contaminación Ambiental · 2018
Showing 3 of 4 known citations — external sources report more than can currently be individually listed.
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