Therefore, this paper focuses on studying the optimal process parameters and the mechanism of sulphation roasting followed by water leaching achieving efficient synchronous extraction of nickel...
DOI: 10.1016/J.CJCHE.2015.06.002 Corpus ID: 93668284; Recovery of nickel, cobalt, copper and zinc in sulphate and chloride solutions using synergistic solvent extraction @article{Cheng2016RecoveryON, title={Recovery of nickel, cobalt, copper and zinc in sulphate and chloride solutions using synergistic solvent extraction}, …
The feasibility of the successful separation of nickel from cobalt sulphate solutions was further explored through the simulation of industrial counter-current extraction. Section snippets Materials and methods. The battery-grade cobalt sulphate used as feed in this study was provided by Guangdong Guanghua. It was dissolved in DI-water to make ...
Simultaneous recovery of nickel and cobalt from aqueous solutions by complexation-ultrafiltration process with polyethylenimine (PEI) was studied. Experiments were performed as a function of polymer/metal ratio (P/M), solution pH, and ionic strength. Effects of concentration time on metal rejection and membrane flux were also studied. At …
LIX63 in combination with DNNS selectively extracts nickel and/or cobalt from acidic leach liquors with pH values as low as 1.0. Nickel/cobalt and cobalt/nickel selectivities are achieved by varying the relative concentrations of LIX63 and DNNS. Increasing LIX63 concentration retards both extraction and stripping rates while DNNS has the opposite …
The solution was filtered and separated to obtain the nickel removal solution. According to the content of metal in the solution after nickel removal, ... The recovery rates of nickel cobalt manganese lithium for the whole process were calculated as 96.84 %, 81.46 %, 92.65 % and 91.39 % respectively.
The pH isotherm of nickel with Versatic 10 was significantly affected by the addition of Acorga 5443A or CLX50, a 3,5-pyridine ester (Fig. 2).The pH 50 value of nickel was reduced by 0.60 and 0.93 pH units by adding 5% and 10% CLX50 to the organic solution, respectively (Table 1).The pH isotherm of calcium was not affected by the …
The separation of cobalt and nickel from a 0.1 M Na 2 SO 4 solution [9] was carried out using 0.03, 0.05 and 0.06 M NaD2EHPA, NaPC88A and NaCyanex 272 in which the extraction of metal ions increased with pH and extractant concentrations and the separation factor for cobalt–nickel was the highest with 0.05 M Cyanex 272.
It was obtained as a result of the sulfuric acid leaching of lateritic nickel-cobalt ore in autoclave and two-stage solution purification with limestone slurry. In order to determine the composition of the PLS, preliminary characterization was performed and chemical composition of the solution was determined.
For example, sulfide precipitation has been applied for the effective removal of heavy metals (in the presence of copper, nickel, cobalt, zinc, etc.) from manganese sulfate solutions (Paixão et ...
The selective separation of cobalt from nickel is of major importance for the recovery of cobalt from primary or secondary sources, as well as for analytical purposes. …
This detailed work provides a systematic description of advances in solvent extraction processes developed globally for the recovery and separation of cobalt and …
ABSTRACT. A new process has been developed jointly by CSIRO and CESL, for separating cobalt from nickel in an impure leach solution. The process uses synergistic …
1. Introduction. With the rapid development of the new energy industry, the consumption of nickel and cobalt is increasing quickly (Jia et al., 2023).The proportion of refractory laterite nickel ore utilization is expanding rapidly (Zhou et al., 2017).The production of nickel and cobalt from limonitic laterite nickel ore is achieved through a …
Zinc, nickel, and cobalt ions removal from aqueous solution and plating plant wastewater by modified Aspergillus flavus biomass: A dataset ... The data showed that the maximum bioadsorption ...
Conclusion. Results indicate that kaolinite shows the following absorption affinity order for metal ions: Cu (II)>Ni (II)>Co (II)>Mn (II) and sorption of copper, nickel, cobalt and manganese ions on kaolinite conformed to the linear form of Langmuir adsorption equation. Also, kaolinite is relatively plentiful and it does not need any treatment.
1. Introduction. Cobalt is a widely used metal for numerous applications, from alloys to rechargeable lithium-ion batteries (close to 50% of the world's cobalt supplied today) [1], [2], [3].Cobalt demand is expected to rise strongly with the growth of the rechargeable battery market for electric vehicles [3], [4] that could result in a significant …
A mixed solution of zinc (20 g/L), copper (0.9 mg/L), cobalt (0.8 mg/L), and nickel (1.0 mg/L) was prepared. The concentration curve of nickel estimated by extended Kalman filter spectrophotometry is shown in Fig. 8, where the true concentration is indicated by a horizontal line.
Briefly, immersing nickel oxide in alkaline electrolyte turns it into a hydrous α-Ni(OH) 2 phase. Upon aging in alkaline solution, the α-Ni(OH) 2 phase is further transformed into the anhydrous β-Ni(OH) 2 phase. Applying positive potential causes the oxidation of these hydroxide phases to form γ-NiOOH and β-NiOOH.
Standard solutions of 100, 500, 1000, and 5000 ppb cobalt/nickel were prepared by diluting the ICP calibration standards (cobalt/nickel standard for ICP TraceCERT®, 1000 mg/L in nitric acid ...
David B. Dreisinger & Denise C. R. Espinosa. 3754 Accesses. 51 Citations. 3 Altmetric. Explore all metrics. Abstract. Copper and cobalt can be found on nickel …
Abstract. Alkali addition for iron precipitation, associated with sulfuric acid leaching of nickel laterites, has been considered periodically since the late 1960s, shortly after the development of the jarosite process for iron control in zinc refining. In the late 1990's a series of flowsheets were proposed and tested involving simultaneous ...
sorbent and on the acidity of a contacting solution. It was found that, after Co(II) and Ni(II) ions are extracted from weak or strong sulfuric acid solutions, they can be effectively eluted from the ion exchangers under study with a 2 M hydrochloric acid solution to an extent of 85–95% (nickel) and 87–95% (cobalt). DOI: 10.1134 ...
Received 2 April 2001; received in revised form 16 January 2002; accepted 18 July 2002. Abstract. The removal of some heavy metals such as Mn (II), Co (II), Ni (II), and Cu (II) from aqueous ...
Nickel and cobalt exhibited a similar trend to that of copper and maximum nickel and cobalt sorption (11%) was reached at 10 g l −1. This might be attributable to the formation of aggregates occurred at higher concentration of BSAEM resulting in lower number of functional groups available for metal ions [56], [57].
Abstract. The close proximity of cobalt and nickel on the Periodic Table and their frequent occurrence together in nature means that their separation in …
An effective multifaceted strategy is demonstrated to increase active edge site concentration in Ni 0.33 Co 0.67 Se 2 solid solutions prepared by in situ selenization process of nickel cobalt precursor. The simultaneous control of surface, phase, and morphology result in as-prepared ternary solid solution with extremely high …
Optimized technology solutions for nickel and cobalt products tailored to raw material and end-user needs. Unique laboratory facilities and expertise. Process guarantees. …
To the best of our knowledge, DOWEX M 4195 (M4195) and Lewatit® MonoPlus TP 220 (TP220) are the representative commercial pyridine chelating resins with the macroporous structure, based on polystyrene-divinylbenzene copolymer, and have been widely applied in the separation of nickel from cobalt solutions [20].
ABSTRACT. A new process has been developed jointly by CSIRO and CESL, for separating cobalt from nickel in an impure leach solution. The process uses synergistic solvent extraction (SSX) with commercially available reagents, but in a novel and efficient manner using kinetic factors. It is applicable to dilute nickel leach liquors containing ...