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Mostrando ítems 11-20 de 3012
Estudo da extração líquido-líquido do Cobre em efluentes industriais a partir de óleos vegetais e querosene
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia Química, 2017-11-04)
The study of an alternative method for heavy metal extraction Copper simulating an industrial effluent. The technique used for extraction of the aqueous phase was solvent extraction (liquid-liquid extraction) and the ...
Lithium Metal Protection by a Cross-Linked Polymer Ionic Liquid and Its Application in Lithium Battery
(American Chemical Society, 2020-01)
Lithium (Li) metal has been considered as an important anode candidate to reach more powerful energy storage devices with higher gravimetric and volumetric capacities. Nevertheless, the growth of high surface area lithium ...
Metal separation from mixed types of batteries using selective precipitation and liquid-liquid extraction techniques
(PERGAMON-ELSEVIER SCIENCE LTD, 2011)
The purpose of this paper is to study metal separation from a sample composed of a mixture of the main types of spent household batteries, using a hydrometallurgical route, comparing selective precipitation and liquid-liquid ...
Extração líquido-líquido em sistemas de fluxoLiquid-liquid extraction in flow systems
(Sociedade Brasileira de Química, 1998)
Development of preconcentration strategies for the simultaneous ultratrace determination of As, Cd and Pb in foods by ICP-OES: knotted-reactor vs. dispersive liquid–liquid microextraction
(Royal Society of Chemistry, 2020-03)
Determination of As, Cd and Pb in food samples by means of inductively coupled plasma optical emission spectrometry (ICP-OES) is challenging due to detection limits being close to the maximum levels established by current ...
Magnetohydrodynamic siphon for tapping out liquid metals
(2007)
The evacuation of liquid metals or mattes from metallurgical furnaces presents many operational challenges due to safety issues and the fast destruction of tapping blocks. Particularly, a continuous smelting and converting ...
Rapid determination of total metals: synergic effect of ultrasound energy and ionic liquids on the digestion of sediment samples
(Springer Verlag Berlín, 2021-08-12)
Purpose: The aim of this study was to develop a new and rapid sample digestion procedure for metal extraction using ultrasonic energy together with a combination of an ionic liquid and mineral acids as extractants. Methods: ...
Metal sulfide precipitation: Recent breakthroughs and future outlooks
(MDPI, 2021)
The interest in metal sulfide precipitation has recently increased given its capacity to efficiently
recover several metals and metalloids from different aqueous sources, including wastewaters
and hydrometallurgical ...
SPEEK-based proton exchange membranes modified with MOF-encapsulated ionic liquid
(2019-10-01)
Ionic liquids (ILs) 1-butyl-3-methylimidazolium hydrogensulfate (BMI.HSO4), 1-butylimidazole hydrogensulfate (BImH.HSO4) and 3-triethylammonium propane sulfonic hydrogensulfate (TEA-PS.HSO4) were encapsulated in UiO-66 ...