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Sánchez-Hernández, Ruth ; Padilla, Isabel ; López Andrés, Sol ; López Delgado, Aurora | Hindawi Publishing Corporation | 2018This work evaluates the use of a synthetic NaP1 zeolite obtained from a hazardous Al-containing waste for the removal of ammonium (NH4+) from aqueous solutions by batch experiments. Experimental parameters, such as pH (6–8), contact time (1–360?[...]texto impreso
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Jiménez, Jose A. ; Padilla, Isabel ; López Delgado, Aurora ; Fillali, Laila ; López Andrés, Sol | Wiley | 2015-01Boehmite synthesized through a sol?gel route from a nonconventional raw material, as an aluminum waste, was calcined at temperatures between 500 and 1500°C. Quantification of crystalline phases was performed by the Rietveld refinement of the XRD[...]texto impreso
Sanchez Hernández, Ruth ; Padilla, Isabel ; López Andrés, Sol ; López Delgado, Aurora | Elsevier | 2017-09The feasibility of developing an eco-friendly bench-scale zeolitization process of NaP1 from an Alcontaining waste and under recycling of effluents was evaluated.Prior lab-scale tests were performed to optimize the synthesis conditions. The mixt[...]texto impreso
López Delgado, Aurora ; Rodríguez Largo, Olga ; Padilla Rodríguez, Isabel ; Galindo Llorach, Roberto ; López Andrés, Sol | 2014In Spain, the secondary aluminum industry is a mature activity which produces 35% of the total aluminum production. This industry generates slag (black dross) with a valuable content of aluminum which is recovered by dry milling processes in the[...]texto impreso
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López Delgado, Aurora ; López Andrés, Sol ; García Martínez, O. ; Millán Pastor, Pilar ; Rojas, R.M. | Springer Netherlands | 1987-06The utilization of some nickel basic salts, nickel hydroxychloride and nickel hydroxynitrate, as inorganic precursors in the obtention of nickel powder, has been studied. When these materials are thermally decomposed in an X-ray high-temperature[...]texto impreso
Sanchez Hernández, Ruth ; López Delgado, Aurora ; Padilla, Isabel ; Galindo Llorach, Roberto ; López de Andrés, Sol | Elsevier | 2016NaP1, SOD, and ANA zeolites were synthesized from a hazardous aluminum waste as main aluminosilicate source by a one-step hydrothermal synthesis. This allowed the total transformation of the waste and no other solid residues were produced. The c[...]texto impreso
Gonzalo Delgado, Laura ; López Delgado, Aurora ; López Andrés, Sol ; López Gómez, Félix Antonio ; Alguacil, Francisco José | NST. CIENCIAS CONSTRUCCIÓN EDUARDO TORROJA | 2009Boehmite was synthesized by a low temperature hydrothermal procedure, via sol-gel, from an aluminium hazardous waste (AHW). The method consisted of a first stage of acid digestion to solubilize the metal content, and a second stage of gel precip[...]texto impreso
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Fillali, Laila ; Tayibi, H. ; López Andrés, Sol ; Jiménez Rodríguez, José A. ; Padilla Rodríguez, Isabel ; López Delgado, Aurora | 2012-03La dernière Directive Européenne, 2008/98/CE, relative au traitement des déchets a pour objectif la réduction de l’exploitation des ressources naturelles par la gestion des ressources secondaires. Afin d’atteindre cet objectif, cette étude a été[...]texto impreso
López Andrés, Sol ; Fillali, Laila ; Jiménez Martín, Juan Ángel ; Tayibi, H. ; Padilla Rodríguez, Isabel ; López Delgado, Aurora | CVR – Centro para a valorização de Resíduos | 2011A hazardous waste generated in slag milling process by the aluminium industry was used as a raw material for the synthesis of alumina, ?-Al2O3. This waste is considered as hazardous material in the European legislation due to the release of toxi[...]texto impreso
Padilla, Isabel ; López Delgado, Aurora ; López Andrés, Sol ; Álvarez Aguirre, Marta ; Galindo Llorach, Roberto ; Vázquez Vaamonde, Alfonso J. | Hindawi Publishing Corporation | 2014-01The aim of this paper is to evaluate the feasibility of obtaining alumina from boehmite using a free, clean, and unlimited power source as the solar energy. Boehmite was obtained by hydrothermal treatment of a hazardous waste coming from aluminu[...]texto impreso
García Martínez, O. ; López Delgado, Aurora ; Millán , P. ; López Andrés, Sol ; Rojas López, Rosa María ; Tigeras , P. | (s.n) | 1985The thermal decomposition reactions of Ni(OH)Cl.l½H20 in still air and in nitrogen and ?-CO2(OH)3Cl and ?-Cu2(OH)3Cl in nitrogen atmosphere, have been studied by DTA and TG analysis, and the intermediates and final products have been characteriz[...]texto impreso
López Delgado, Aurora ; Robla Villalba, José Ignacio ; Padilla, Isabel ; López Andrés, Sol ; Romero, Maximina | Elsevier | 2020-05A potential route to minimize the environmental impact of industrial activities is, among other approaches, the use of hazardous wastes as less-common raw materials for the preparation of other materials. Realistic technologies for waste managem[...]
