Browsing by Author "Valenzuela, Fernando"
Now showing items 1-4 of 4
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Basualto Flores, Carlos; Poblete, Maritza; Marchese, José; Ochoa, Ariel; Acosta, Adolfo; Sapag Hagar, Jaime; Valenzuela, Fernando (SOC BRASILEIRA QUIMICA, 2006-12)It is studied the extraction of cadmium( II) ions from acidic aqueous solutions using a stirred transfer cell-type emulsion liquid membrane ( ELM) prepared by dissolving in kerosene, with D2EHPA ( an alkylphosphoric acid) ...
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Kamio, Eiji; Fujiwara, Yasuhide; Matsumoto, Michiaki; Valenzuela, Fernando; Kondo, Kazuo (ELSEVIER, 2008-05-15)Extraction of lanthanum, samarium and erbium into a microcapsule containing 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester (EHPNA) is studied. The extraction kinetic model used to predict uptake curves is based on the ...
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Valdés, Hugo; Sepúlveda, Rossana; Romero, Julio; Valenzuela, Fernando; Sánchez, José (Elsevier, 2013)The aim of this work is the experimental and theoretical characterization of the mass transfer in a membrane-based dense gas extraction of metal ions from aqueous solutions using a hollow fiber contactor. Extractions of ...
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Valenzuela, Fernando; Yazdani-Pedram Zobeiri, Mehrdad; Araneda, Claudio; Basualto Flores, Carlos; Kamio, Eiji; Kondo, Kazuo (SOCIEDAD CHILENA DE QUIMICA, 2005-12)It is studied the uptake of Zn(II) and Cu(II) from acid aqueous solutions using microcapsules containing 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester, a non-specific extractant, as an alternative method for metals ...