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Trans. Nonferrous Met. Soc. China 30(2020) 2792-2801 Flotation performance and adsorption mechanism of novel 1-(2-hydroxyphenyl)hex-2-en-1-one oxime flotation collector to malachite Fang-xu LI1,2,3,4... Resources, Guangzhou 510650, China Received 15 January 2020; accepted 15 July 2020 Abstract: A novel collector 1-(2-hydroxyphenyl)hex-2-en-1-one oxime (HPHO) was synthesized from 2-hydroxy acetophenone......
of oxime extractants LIX984N under impact of acid solution and phase disengagement of copper solvent extraction LIU Xiao-rong1, SHEN Jun-hui1, LIU Yan-jun2, ZHU Yan-hao1, ZHANG Hao1 (1. School of Materials...: The degradation of oxime extractants is triggered once contacted with sulfuric acid solution in copper solvent extraction practices. The degradation of LIX984N and its impacts on the phase disengagement......
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] and the dehydration reaction [26] of oxime, hindered the practical application of GC-MS method in the determination of salicylaldoxime, albeit the injector temperature was repeatedly optimized... (-OH) and an oxime group (-HC=N-OH). Under different pH conditions, various molecular species of salicylaldoxime could be formed, like C7H8NO2+, C7H7NO2, C7H6NO2–, or C7H5NO22– (Figure 3). TSHUMA et al......
was made by Zijin Mining Group Co., Ltd., China. The reagent is mainly composed of 2-hydroxy-5- nonylacetophenone oxime and 5-nonylsalicyaldehyde oxime. Both the aldoxime and the ketoxime have......
rates of Mo and Ni reached 95.8% and 91.3%, respectively (average of the three results). The molybdenum in leaching solution can be extracted by oxime extractant HBL101 [19]. After removing impurity... L S. Direct extraction of molybdenum from high acid leach solutions of Ni-Mo ore using an oxime extractant of HBL101 [J]. Int Journal of Refractory Metals and Hard Materials, 2015, 51: 14-18. [20......
precipitation and releach steps [9–12]. The reagent LIX63 (5, 8-diethyl-7-hydroxy-6-dodecanone oxime) is versatile synergistic reagent [13, 14]. CHENG et al [11, 12] reported that the separation of nickel... acid), Mextral 622H and the diluent DT100 were purchased from Kopper Chemical Industral Corp., Ltd. The composition of the Mextral 622H was reported by active oxime component in a diluent. All......
Circuit Information, 2010(4): 52-54. [10] 刘晓荣, 申君辉, 刘妍君, 等. 羟肟萃取剂LIX984N酸解和铜萃取分相性能[J]. 中国有色金属学报, 2017, 27(4): 818-824. LIU Xiao-rong, SHEN Jun-hui, LIU Yan-jun, et al. Degradation of oxime extractants.... LIX63 stability in the presence of Versatic 10 under proposed commercial extract and strip conditions, part Ⅲ: Effect of manganese and cobalt loading on oxime stability at 30 ℃[J]. Hydrometallurgy......
, cadmium can be separated from copper from sulfate solutions as their pH0.5 values were found to be 1.6 and 3.0, respectively. They also reported that using an oxime reagent(MEX), copper can be separated over cadmium. In the present investigation, the IL behaves similarly to the oxime (MEX) reagent. Fig. 12 Plot of extraction rate and separation factor versus initial pH 3.2.3 In the presence of iron......