Results 11 to 20 of about 59 (33)
Rare earth elements recovery from E-wastes by solvent extraction and supported liquid membrane processes [PDF]
, 2019 Tesi en modalitat de compendi de publicacions, i amb fragments retallats per drets de l'editorPremi Extraordinari de Doctorat 2021 (promoció del curs 2018-2019). Àmbit d’Enginyeria IndustrialNowadays, rare earth elements (REEs) have gained importance due
Pavón Regaña, Sandra
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The use of primary amines in gold (I) extraction from cyanide solutions
, 1996 The application possibilities of gold(I) extraction from cyanide media by three primary amines, Primene 81R, Primene JMT and tridecylamine, has been studied taking in account several variables such as temperature, amine and initial metal concentrations ...
Alguacil, Francisco José +5 more
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, 2010 The transport of iron(III) from acidic media using pseudo-emulsion based hollow fiber strip dispersion (PEHFSD) technology is investigated. As a carrier, (PJMTH+)2(SO4 2−) ionic liquid, generated by direct reaction of the commercially available ...
Alonso Gámez, Manuel +5 more
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Desenvolupament de vies de valorització per a un residu industrial [PDF]
, 2017 L’augment de la demanda i el progressiu esgotament dels jaciments minerals per a produir metalls emprats en la indústria galvànica, fa que els residus d’aquesta industria, que habitualment són gestionats als abocadors com un rebuig, siguin avui dia un ...
Reynaldos i Sistané, Ricard
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, 1993 La recuperación de oro de disoluciones cianuradas tradicionalmente se ha realizado mediante cementación, adsorción en carbón o cambio ionico. Sin embargo, la técnica de la extracción con disolventes no se ha empleado con la misma asiduidad en este campo,
Caravaca Moreno, Concepción
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Recovery of gold from thiosulfate solutions and pulps with anion-exchange resins
, 2002 With growing environmental and occupational safety concerns over the use of cyanide in gold processing, more acceptable alternatives are receiving increased interest. The most promising of the possible alternatives is thiosulfate.
O'Malley, Glen Peter
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Recuperación de Cromo (VI) mediante extracción con membranas líquidas soportadas
, 2006 Se ha llevado a cabo un estudio experimental para estudiar la extracción de cromo (VI) a través de una membrana líquida soportada conteniendo distintos agentes de extracción: Aliquat 336 (sal de amonio cuaternario), Hostarex A327 (amina ter-ciaria ...
Alonso Gámez, Manuel +3 more
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, 2010 Includes bibliographical references (leaves 63-65).Anglo Research (AR), a division of Anglo Operations Limited, is developing a chloride-based processing route for the recovery of zinc from sulfide ores.
Gangazhe, Takalani
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Экстракция ванадия из сернокислых растворов N-(2-гидрокси-5-нонилбензил)-β,β-дигидроксиэтиламином.
, 2009 N-(2-hydroxy-5-nonylbenzyl)-ββ-dihydroxyethylamin is shown to appear the efficient extractant for the extraction of vanadium from the weak acidic solutions. Basic regularities the extraction of vanadium has been investigated.
В. И. Букин +7 more
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