Sodium Sulfate Ore Beneficiation

Valorization of Solid Residue from the Lateritic Nickel Ore …

Sodium sulfate is needed in the RMS to break the iron and nickel from magnesium silicate structure (lizardite). Without the presence of sodium sulfate, which might be has similar …

A Critical Review on the Flotation Reagents for Phosphate Ore Beneficiation

Phosphate ore is the dominating natural resource for the production of fertilizers and phosphorous chemical products. Flotation is the most widely employed technique to enrich apatite and remove the impurities for the separation of the phosphate ore. The flotation reagents play an important role in this efficient separation of phosphate ores. In the last few decades, …

Feasibility of co-reduction roasting of a saprolitic laterite ore …

Large scale utilization is still an urgent problem for waste red mud with a high content of alkaline metal component in the future. Laterite ores especially the saprolitic laterite ore are one refractory nickel resource, the nickel and iron of which can be effectively recovered by direct reduction and magnetic separation. Alkaline metal salts were usually added to enhance …

Optimal conditions for selective reduction process of …

In this present work, the reduction process of low-grade nickel ore was carried out by using anthracite containing high sulfur as reductant, which had higher fix carbon than …

Application and Mechanism of Anionic Collector Sodium Dodecyl Sulfate

DOI: 10.3390/MIN7020029 Corpus ID: 9166968; Application and Mechanism of Anionic Collector Sodium Dodecyl Sulfate (SDS) in Phosphate Beneficiation @article{Sun2017ApplicationAM, title={Application and Mechanism of Anionic Collector Sodium Dodecyl Sulfate (SDS) in Phosphate Beneficiation}, author={Kun Sun and Tao Liu and Yi-min Zhang and Xin Liu and Bo …

PAPER OPEN ACCESS Effect of reduction temperature …

% of sodium sulfate [7]. Jiang et al. (2013) reported that the addition of 10 wt. % of sodium sulfate and 2 wt.% of coal in nickel laterite ore (1.49% Ni and 34.69% Fe) processing by reduction process at 1200ºC for 50 minutes which reported a nickel …

Ore Beneficiation

Iron ore beneficiation can be brought about through three approaches, namely, selective dissolution, microbially induced flotation, and selective flocculation–dispersion. ... possible to selectively float quartz from hematite with dodecylammonium chloride or float hematite from quartz with sodium dodecyl sulfate. This is illustrated in Figure ...

The effect of sodium sulphate on the hydrogen reduction …

Li et al. (2012) studied the beneficiation of nickeliferous laterite by reduction roasting in the presence of sodium sulfate and noticed when the laterite was mixed with sodium sulfate and then ...

Effect of Sodium Sulfate on Preparation of Ferronickel …

studied the effect of sodium sulfate on the hydrogen reduc-tion process of nickel laterite ore. The maximum nickel content of 5.6 mass% and nickel recovery of 83.6% could be obtained from the reduction of nickel laterite ore at 800°C for 220 min in the presence of 20.0 mass% sodium sulfate at a total gas flow rate of 5.6×10−5 m3/s (V H2:V ...

A Robust Recovery of Ni From Laterite Ore …

Lu et al. (2013) investigated the effect of sodium sulfate on the hydrogen reduction process of nickel laterite ore. In conclusion, the alkali metal additives can be used to improve the reactivity of reducing agents, and to …

Rare earth elements resources and beneficiation: A review

Therefore, the requirements for the beneficiation process are high, and the ore properties must be analyzed. The beneficiation process is formulated and continuously improved in production practices based on the physical and chemical properties of the ore composition. ... 2018), sodium dodecyl sulfate (SDS) (Zhang et al., 2021), and sesbania ...

‪Mingjun Rao ()‬

Beneficiation of nickeliferous laterite by reduction roasting in the presence of sodium sulfate. G Li, T Shi, M Rao, T Jiang, Y Zhang. Minerals Engineering 32, 19-26, 2012. 239: ... Reductive roasting of nickel laterite ore with sodium sulphate for Fe-Ni production. Part II: Phase transformation and grain growth. M Rao, G Li, X Zhang, J Luo, Z ...

Application of various methods of benefication to low-grade hematite ore

Study examined the influence of adding sodium sulfate and tetraborate on the beneficiation of hematite oolitic ores. The scheme involved grinding the ore to less than 74 microns, briquetting with different ratios of Na 2 SO 4 and Na 2 B 4 O 7, reducing roasting at temperatures from 950 to 1100 °C using coal as a reducing agent, re-grinding ...

Synchronous Upgrading Iron and Phosphorus …

Li et al. reported the effect of sodium sulfate on reduction roasting and P removal from high-phosphorus oolitic hematite ore.The results showed that a magnetic concentrate with total iron grade of 92.7% and phosphorus content …

Beneficiation of Nickel from Ultramafic Ores: Using Sodium …

Beneficiation Tailings Treatment; Adheres to conveyors, idlers, screens: ... Along with sodium dodecyl sulfate (SDS), is chemisorbed onto the mineral surfaces; strength of adsorption is celescite > calcite > fluorite for SDS and fluorite > calcite > celescite for sodium citrate. ... Pentlandite-Serpentine (Yanbian Ore) Addition of Sodium ...

Can sodium sulfate be used as an additive for the reduction …

The iron ore, coal, and sodium sulfate and an appropriate amount of water (8% to 12%) were fully mixed and pressed to briquettes in a steel die (30 ... (Fig. 5), which can be explained that FeS was oxidized during beneficiation and drying processes since it was not stable at room temperature. This S-bearing material occurred at several microns ...

Sulfide ore flotation collector sodium Isopropyl Xanthate

Sulfide ore flotation collector sodium Isopropyl Xanthate . Short Description: The invention of xanthate has greatly promoted the progress of beneficiation technology. All kinds of xanthate can be used as collectors for froth flotation, and the amount used in ... The daily capacity of copper sulphate is 100 tons, zinc sulphate is 200 tons. We ...

PAPER OPEN ACCESS Effect of reduction temperature …

The results showed that the nickel grade was increased with the increasing of reduction temperature for nickel ore with sodium sulfate additive. Nevertheless, it was relatively constant …

How to Process Copper Ore: Beneficiation Methods and Equipment

Semi-preferential bulk-separation flotation of copper sulfide ore beneficiation ... Process flow: The dosage of sodium sulfide can reach 1~2kg/t during vulcanization. Because the film produced by vulcanization is not stable and is easy to fall off after vigorous stirring, and sodium sulfide itself is easily oxidized, sodium sulfide should be ...

Lithium extraction from hard rock lithium ores (spodumene, …

Substituting cheap sodium sulfate for potassium sulfate, and calcining with calcium sulfate and lepidolite (0.15:0.45:1) at 900°C, the lithium recovery rate can also reach more than 90% (Vieceli N et al., 2016), but the leaching rate of lepidolite was 84% when calcining only with calcium sulfate at 1050°C (Siame E and Pascoe RD, 2011).

Process and Mechanism of Sulfate Roasting …

The results show that roasting temperature has a great influence on lithium leaching rate, and the leaching effect of lithium is better in the appropriate roasting temperature range. 40% potassium sulfate, 20% sodium …

Mining and Beneficiation of Phosphate Ore | IntechOpen

The first commercial production of phosphate rock began in England in 1847. A wide variety of techniques and equipment is used to mine and process phosphate rocks in order to beneficiate low-grade ores and remove impurities. The eighth chapter of this book deals with mining and beneficiation of phosphate ore. The principle and operating conditions of important …

A brief analysis of the role of copper sulfate in ore beneficiation …

A brief analysis of the role of copper sulfate in ore beneficiation and flotation. Copper sulfate, which appears as blue or blue-green crystals, is a widely used activator in sulfide ore flotation. ... When sodium cyanide inhibits sphalerite, stable zinc cyanide ions are formed on the surface of sphalerite, and copper cyanide ions are more ...

A Robust Recovery of Ni From Laterite Ore Promoted by Sodium …

Li et al. (2012) studied the beneficiation of nickeliferous laterite by reduction roasting in the presence of sodium sulfate and noticed when the laterite was mixed with sodium sulfate and then reduced at 1,100°C for 60 min, the Ni grade of the concentrate and recovery were increased to 9.48 and 83.01%, respectively.

Niobium-Tantalum Ore Beneficiation

Tantalum-niobium ore beneficiation technology. ... sodium alkyl sulfate and sodium isooctyl phosphate detailed study of niobium-iron ore – tantalite floatability. Tests have shown that: when using fatty acids as trapping agents, the trapping ability of saturated hydrocarbon groups is worse than unsaturated ones. Flotation of niobium iron ore ...