Extraction of copper from ammoniacal solutions with LIX 84 and LIX 54 used alone and their mixture was studied, and a chemical model was proposed and verified. The …
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A large synergic enhancement in the extraction of lanthanoids by a mixture of LIX 54 and bidentate amines is produced owing to the formation of adduct complexes with neutral ligands. …
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Water is essential for living beings and animals. There is plenty of water on the earth's surface; however, the chemical composition of water is one of the important factors that …
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Acidic carriers like LIX-54-100 need a pH above their pKa to dissociate and form the chelate with interest species. The LIX-54-100 pKa value was not determined but it would …
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A method capable of selectively extracting and concentrating lithium from diluted alkaline aqueous media is proposed using a polymer inclusion membrane composed of …
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The best degree of lithium extraction was obtained with [LIX 54] to [TRPO] ratio of 1:1. At equilibrium pH of 11.5, [LIX 54]:[TRPO] ratio of 5:5, the synergistic extraction coefficient …
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Kinugasa et al. [28] applied the β-diketone•organophosphate mixture of LIX 54•TOPO for lithium extraction, testing with molar ratios between 1 and 5. Pranolo et al. [29] …
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Extraction of copper from ammoniacal solutions with LIX 84 and LIX 54 used alone and their mixture was studied, and a chemical model was proposed and verified. The …
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O. For LIX 54-100 the extraction recovery was 58% for LIX 84 I 51 and 48% for TOA. Figure 2 presents the effect of NH 3·H 2 O concentration on extraction of zinc. It appears that the …
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There have been data on LIX 984N-C [9], LIX 54 [10], LIX 84 [11] for copper extraction by LEMs. In this sudy extractant LIX 664N has been selected based on the excellent extractive property of LIX ...
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LIX 54 is particularly attractive for extraction of copper since it combines the most desirable features of its components. The extractive strength and fast kinetics of b-diketone are …
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of zinc using LIX 54, Hydrometallurgy, 53: 203−209. Arzutug, M E, Kocakerim, M M and Copur, M, 2004. Leaching of malachite ore in NH3 -saturated water, Industrial
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LIX 54 was designed for the extraction of copper from ammoniacal leach liquors. Its ease of stripping, low ammonia loading, fast kinetics, good phase separation, high copper …
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In the early 1960's General Mills Chemicals, Inc. developed a solvent designated LIX 63, for the extraction of copper from splutions of pH greater than 4.0. It was thus very suitable for treating the product from the …
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The extraction of Cu(II) by LIX 54-100 (ß-diketone) in Iberfluid (kerosene type diluent) from ammoniacal/ammonium sulphate solutions has been investigated. The analysis of metal …
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The commercial extractant LIX 54-100 containing six isomeric 1-phenyldecane-1,3-diones (Dziwinski and Szymanowski, 1996) was used for the extraction of Cu(II) from acidic waste solutions...
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The percentage copper extraction at different equilibrium pH values as shown in Fig. 1 indicated an increase in percentage extraction from 5.46 to 50.08 for LIX 84-I and from …
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A number of extractants which extract copper from ammoniacal solution were studied, including hydroxyoximes (LIX-84) and beta-diketons (LIX-54) [24], [25], [26].LIX-54 …
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Nickel extraction from ammoniacal media, containing initially 0.5 g/l of nickel, by LIX 54 in an aliphatic diluent, Iberfluid, has been studied as a function of aqueous pH, equilibration …
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QN, LIX 54, LIX 973, LIX 984 and LIX 34 are used for the extraction, sep aration and recover y of copper, nickel and zinc from sulphate solutions (Reddy and Priya, 2005),
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Copper leached solution is guided through the solvent extraction process, using LIX-54 as a solvent and sulphuric acids as stripping agent to generate copper sulfate solution …
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The use of LIX 54 to separate copper from ammoniacal etch solutions is described by patent applications (2–4) and an information paper of Henkel KGaA. The extraction of …
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If the concentration of LIX 54 remains in the range of 0.015–0.10 kmol m −3, the extraction process will be then controlled by chemical reaction and diffusion in the aqueous …
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Lix 54, 26, 34 [8-10]. ... Co pper ext ra cted, g/ l. Time, min. Fig. 2. Kinetic of copper extraction by Lix 984 20%, fr om HMCCLS: pH = 0.6; Øo/Øa = 1:1. K. Elamari et al.
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There ha ve been d ata on LIX 984N-C [9], LIX 54 [10], LIX 84 [11] for copper extraction by LEMs. In this sudy In this sudy extractant LIX 664N ha s been selected bas ed on the excellent ext ...
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Studies on solvent extraction of uranium(VI) by a commercially available chelating extractant LIX-54 (a β-diketone derivative) (HA) and its mixtures with tri-n-butyl phosphate (TBP) in benzene …
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The extraction of Cu(II) by LIX 54-100 (ß-diketone) in Iberfluid (kerosene type diluent) from ammoniacal/ammonium sulphate solutions has been investigated. The analysis of …
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LIX 54 was introduced as a commercial reagent for the recovery of copper from ammoniacal solutions. 29 The 2: 1 complex in the extraction process shown in eqn (6) is assumed to have a planar structure analogous to that of the …
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