Taguchi design-based enhancement of heavy metals bioremoval by agroindustrial waste biomass from artichoke
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Fernández López, José Antonio; Moreno Angosto, José Manuel; Roca Hernández, María José; Doval Miñarro, MartaÁrea de conocimiento
Ingeniería QuímicaPatrocinadores
This research is part of the QUIMYTEC R&D group. This work was supported by the ACI B program of the Technical University of Cartagena. The excellent technical assistance of Luis A. Alcolea, Magdalena Vázquez and Vicente Muñoz (Technical Research Support Service, UPCT) is greatly appreciated.Fecha de publicación
2019-02Editorial
ElsevierCita bibliográfica
Fernández-López, J. A., Angosto, J. M., Roca, M. J., & Doval Miñarro, M. (2019). Taguchi design-based enhancement of heavy metals bioremoval by agroindustrial waste biomass from artichoke. Science of the Total Environment, 653, 55–63. https://doi.org/10.1016/j.scitotenv.2018.10.343Revisión por pares
siPalabras clave
Agricultural wasteLow-cost sorbent
Cynara scolymus by-products
Lignocellulosic biomass
Taguchi methodology
Resumen
The Taguchi method of designing experiments is based on a system of tabulated designs (arrays) that enables the maximum number of variables to be estimated in a neutral (orthogonal) balanced manner with a minimum number of experimental sets. Heavy metals remediation of aqueous streams is of special concern due to its highly toxic and persistent nature. Taguchi approach was used for enhanced bioadsorptive removal of Pb(II), Cu(II) and Cd(II) from aqueous solutions using agroindustrial waste biomass from globe artichoke as inexpensive sorbent. Sorbent biomass was characterized as to its chemical composition by infrared spectroscopy (FTIR), revealing the presence of hydroxyl, carboxyl, sulphonic and amine functional groups. Ranks of four factors (pH, temperature, sorbent dosage and initial metal concentration) at three levels each, in a L9 array were conducted, in batch sorption tests, for the individual metal ions of concern. The sorption capacity (qe) values were transformed into an ...
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