Reuse potential of residues of artichoke (Cynara scolymus L.) from industrial canning processing as sorbent of heavy metals in multimetallic effluents
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Saavedra De Santiago, María Isabel; Doval Miñarro, Marta; Moreno Angosto, José Manuel; Fernández López, José AntonioÁrea de conocimiento
Tecnologías del Medio AmbientePatrocinadores
This research is part of the QUIMYTEC R&D group and was financially supported by the ACI B 510 program of the Technical University of Cartagena. The excellent technical assistance of M.J. 511 Roca, L.A. Alcolea and M. Vázquez (Technical Research Support Service, UPCT) and the work 512 carried out by S. Alarcón, M. Fernández and M. Verdoodt is greatly appreciated.Fecha de publicación
2019-09-30Editorial
ElsevierCita bibliográfica
María I. Saavedra, Marta Doval Miñarro, José M. Angosto, José A. Fernández-López. (2019). Reuse potential of residues of artichoke (Cynara scolymus L.) from industrial canning processing as sorbent of heavy metals in multimetallic effluents. Industrial Crops and Products 141, 111751. https://doi.org/10.1016/j.indcrop.2019.111751Revisión por pares
siPalabras clave
artichokeCynara Scolymus
agrowaste biomass
competitive adsorption
heavy metals
Resumen
The suitability of reusing artichoke agrowaste biomass from industrial canning processing as a low-cost and ecofriendly sorbent for the bioremoval of Pb(II), Cd(II) and Cu(II) in multi-metallic aqueous solutions is reported. Understanding the dynamic of heavy metals in the sorption process is critical to assess the removal of these contaminants in aquatic systems. The Taguchi approach was used to design a series of experiments to find the optimum conditions for maximum total sorption capacity, analysing the signal-to-noise (S/N) ratio to assess the experimental responses. Ranks of five controllable factors (the initial concentrations of Pb(II), Cd(II) and Cu(II), sorbent dosage and pH), at three levels each one, in a L27 array were conducted in batch sorption tests. The highest sorption capacity (241 μmol·g−1) was shown with initial concentrations of 315 μmol L−1 Cu(II), 445 μmol L−1 Cd(II) and 241 μmol L−1 Pb(II), pH 5 and 0.5 g L−1 of sorbent dosage. The metal ion predominantly adsorbed ...
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