This is supported herein by kinetic control of sulfidation selectivity between iron and rare-earth oxides (iron (III) oxide (Fe 2 O 3) and lanthanide (III) oxide (Ln 2 O 3 ), melting points 1,597 ...

Vancouver, British Columbia--(Newsfile Corp. - October 24, 2022) - Doubleview Gold Corp. (TSXV: DBG) (OTCQB: DBLVF) (FSE: 1D4) ("Doubleview") is pleased to announce that the Company's ongoing testwork program investigating the potential for scandium extraction and recovery has resulted in a significant …

Scandium concentrate can be obtained by gravity separation, magnetic separation, flotation, and other methods; therefore, it is very important to select the appropriate beneficiation method for the subsequent extraction of scandium.

Preliminary metallurgical extraction tests on flotation tailings in sulphate media at elevated temperatures demonstrated that 89% of the scandium in the flotation tailings could be extracted into solution. …

Process optimization resulted in copper and cobalt recoveries of 99.77% and 97.92%, respectively under the following conditions: the sulfuric acid mass flow rate of 23.72 kg/h, SMBS mass flow rate of 6.49 kg/h, temperature of 65.25 °C, and leaching time of 4.39 h. ... Kapiamba KF (2021) Statistical investigation of flotation parameters for ...

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The obtained optimization results showed that at the following optimum conditions: 0.006 mol/L concentration of K 2.2.2 and DC18C6, 11 min contact time, pH 4 of the aqueous solution and 75 mg/L initial Sc concentration resulted in an optimum extraction efficiency of 99.7% and 15.2%, respectively. ... Studying the extraction of scandium(III) …

Among different REEs present in red mud, scandium is the most strategic one because of the game-changing properties it offers to the modern society. With an average crustal abundance of around 22 ...

A good flotation optimization method should consider the following aspects: the data collection and analysis methods, the mathematical models and algorithms, the optimization criteria and ...

Vancouver, British Columbia--(Newsfile Corp. - October 24, 2022) - Doubleview Gold Corp. (TSXV: DBG) (OTCQB: DBLVF) (FSE: 1D4) ("Doubleview") is pleased to announce that the Company's ongoing ...

As the result of the optimization of the attrition scrubbing test parameters, feed that initially contains 105 ppm Sc., was enriched to 120 ppm at 85.06 % scandium recovery. Moreover, 42.93 % of Ca, 30.88 % of Mg, and 33.73 % of Si were removed in the tailings of the attrition scrubbing tests.

Initial scandium recovery rates of 89% from flotation tailings with the anticipation of higher recoveries with optimization is extremely encouraging. Scandium …

1. Introduction1.1. Vanadium properties and applications. Vanadium is primarily used as an additive to steel in the form of ferrovanadium (Moskalyk and Alfantazi, 2003).Around 85% of the vanadium produced globally is used for this purpose (Swinbourne et al., 2016).Only minor amounts of vanadium are needed for this purpose, with …

Supplementary copper flotation test work showed that 99.5% of the scandium associated with the gangue minerals reported to the flotation tailings. The scandium grade of the tailings from the ...

For comparison a standard froth flotation was optimized for LiAlO 2 and Melilite s.s. using sodium oleate (300 g/t) as the best collector resulting in 69% for LiAlO 2 and 34% for Melilite s.s ...

Initial scandium recovery rates of 89% from flotation tailings with the anticipation of higher recoveries with optimization is extremely encouraging. Scandium …

DOI: 10.1007/s40831-024-00794-6 Corpus ID: 267965187; Optimization Extraction of Scandium from Scandium Concentrate with Titanium Dioxide Wastewater by Response Surface Methodology

Leaching Behaviors of Lithium-Rich Bauxite Flotation Tailings in Sodium Bicarbonate Solution. Dong-zhan Han; Lei-ting Shen; Zhi-hong Peng; Research Article 05 February 2024 Pages: 241 ... Optimization Extraction of Scandium from Scandium Concentrate with Titanium Dioxide Wastewater by Response Surface Methodology. Junhui Xiao; …

In this study, we investigated the separation of iron and scandium from Sc-bearing red mud. The red mud object of our study contained 31.11% total iron (TFe), 0.0045% Sc, hematite (Fe2O3) and ...

select article Selective depression of talc in azurite sulfidization flotation by tamarind polysaccharide gum: Flotation response and adsorption mechanism ... Microscopic liberation mechanisms of oolitic iron ore under microwave irradiation and optimization of irradiation parameters. Like Qin, Guodong Chen, Guoqiang Xu, Gang Zhen, Hailiang Jia ...

Mechanical flotation cells can be broken down into two broad categories based on how air is introduced to the cell. In a self aspirated flotation cell air is introduced to the slurry, …

In this study, a scandium concentrate with Sc2O3 content of 66.24 g/t was obtained from V-Ti magnetite tailings by physical concentration, and the main Sc-bearing minerals were augite and hornblende. A novel process of roasting and leaching was proposed to extract scandium from scandium concentrate with titanium dioxide …

Higher levels of scandium extraction are anticipated with optimization of extraction conditions. These results are an important accomplishment in the metallurgical development of the Company's Hat Deposit. ... copper flotation test work showed that 99.5% of the scandium associated with the gangue minerals reported to the flotation …

This work demonstrates the viability of scandium oxide deposition on silicon by means of high pressure sputtering. Deposition pressure and radio frequency power are varied for optimization of the properties of the thin films and the ScO x /Si interface. The physical characterization was performed by ellipsometry, Fourier transform infrared …

Flotation 360™. End-to-End Flotation Optimization. Flotation is at the heart of mineral processing. An optimized flotation circuit can positively impact valuable product recovery and grade. Flotation 360 is a comprehensive, end-to-end solution for mineral processing plants. The program combines chemistry, technical service, and actionable ...

Higher levels of scandium extraction are anticipated with optimization of extraction conditions. These results are an important accomplishment in the metallurgical development of the Company's Hat Deposit. ... copper flotation test work showed that 99.5% of the scandium associated with the gangue minerals reported to the flotation …

In this study, the optimization of scandium selective leaching process from BR with sulfuric acid is investigated using Taguchi methodology. Sulfuric acid was preferred for its mild environmental impact. ... A.M.D. Comparative study of approaches based on the taguchi and anova for optimising the leaching of copper–cobalt flotation tailings ...

Preliminary metallurgical extraction tests on flotation tailings in sulphate media at elevated temperatures demonstrated that 89% of the scandium in the flotation …

Improved flotation operation can be achieved by improved control in terms of stabilization, regulation and optimization of the plant. Through stable operation, the performance of the plant is observed without being obscured by the effects of disturbances and fluctuations. This allows for the optimum conditions to be easily identified.