Characterization and Beneficiation of Iron Ore Tailings by …
— In the present paper, an attempt has been made to beneficiate iron ore tailings by selective flocculation using guar gum and starch as flocculants along with …
Effect of anionic flocculant on settling rate of iron ore ultra …
— The hematite iron ore from one of the mines of Odisha was taken for this study. The hematite iron ore fines contain reasonable amount of clay minerals, which gives negative affect in wet process for preparation of pellet feed material. ... This study highlights the utilization of different flocculants in the settling of Iron Ore Tailings slurry ...
Rheological characterization and performance of flocculants in iron ore
DOI: 10.1016/J.MATPR.2021.01.128 Corpus ID: 233800522; Rheological characterization and performance of flocculants in iron ore tailings management @article{Krishna2021RheologicalCA, title={Rheological characterization and performance of flocculants in iron ore tailings management}, author={R. S. Krishna and Gonzalo R. …
Towards a Sustainable and Enhanced Iron Ore Recovery: Bio …
— An overview of iron ore beneficiation techniques, including their limitations and environmental concerns, iron ore bio-beneficiation techniques, and future outlook …
OneMine | The use of filter aids on iron ore fines
— A current trend amongst producers is the increase in dewatering of iron ore fines (<0.5 mm), due to an increase in wet beneficiation processes used to upgrade lower quality ore deposits, increased water content in orebodies located below the water table, and increasing focus on transportable moisture limits (TML). Vacuum filtration is …
Improving Flocculation Performance of Copper Flotation …
— The dewatering of tailings is one of the serious challenges that the mining and mineral processing industries have encountered internationally. Solid–liquid separation methods are applied to wastewater, which generally consists of fine particles and water; fine particles are settled in thickeners by the flocculation method and the cleaned water is …
Increasing efficiency of thickener operation in concentrate plant …
Six different combinations of acryl-type anionic flocculants and polyamine-type cationic coagulants were selected to conduct kinetic tests on turbidity removal in mine water. ... (Cm) Efficiency of thickener in iron ore mine 30 y = -0.6986x + 33.692 R² = 0.9865 25 20 15 10 5 30 y = -0.478x + 33.336 R² = 0.9898 25 20 15 10 5 0 0 0 50 100 Time ...
Cationic starches as flocculants of iron ore tailing slime
— The results found reveal that this iron ore tailing slime sample is representative of the iron ore tailing slimes commonly found in the Iron Quadrangle. 3.2. Preparation and characterization of hematite and quartz. Hematite had a D 90 of 45.76 μm and an average diameter of 11.27 μm. The density of solids found using gas pycnometer …
OneMine | Minerals Beneficiation
This article discusses the effect of physical and chemical modifications of starches on the anionic and cationic flotation of silica from oxidized iron ores and magnetite-taconite concentrates. It also deals with the results of the interaction of starch, pH, and calcium ions on the flocculation, clarification, and filtration of iron ore slimes and magnetite-taconite …
The Use Of Starches And Starch Derivatives As Depressants …
This article discusses the effect of physical and chemical modifications of starches on the anionic and cationic flotation of silica from oxidized iron ores and magnetite-taconite concentrates, and the results of the interaction of starch, pH, and calcium ions on the flocculation, clarification, and filtration of iron ore slimes and magnetite-taconite tailings. …
Rheological characterization and performance of flocculants in iron ore
— Experiments have shown that it is possible to obtain a concentrate containing 65% iron, 1.8% alumina and 1.4% silica with an iron recovery of 80% from the tailings of Barsuan iron ore plant ...
An experimental study on the flocculating settling of
— Introduction. Mine backfilling plays a significant role in improving ground stability, increasing ore recovery, and controlling underground pressure and thus has both economic and environmental benefits [1–3].Therefore, mine backfilling is being widely used all over the world in many underground mines [4–6].The development of backfilling …
Flocculants and tailings – Process productivity
— Synthetic flocculants improve dewatering capabilities but are they having a negative affect on TSF management? In our latest blog, we discuss whether flocculant choice plays a role in tailings treatment, and …
Flocculants in iron ore tailings slurry?
Use of flocculant in iron making industries is mainly for dewatering application which produces drier cake of the sample. After beneficiation of the ore sample, it becomes a slurry and the ...
The effect of residual flocculants in the circulating water on
DOI: 10.1016/j.mineng.2022.107440 Corpus ID: 247091349; The effect of residual flocculants in the circulating water on dewatering of Gol-e-Gohar iron ore @article{BahmaniGhaedi2022TheEO, title={The effect of residual flocculants in the circulating water on dewatering of Gol-e-Gohar iron ore}, author={Abdolreza Bahmani …
Rheological Characterization and Performance of Flocculants …
— This paper deals with experimental work to improve the settling and filtration characteristics of an industrial sludge from an iron-ore mine using synthetic polymeric …
Effect of anionic flocculant on settling rate of iron ore ultra …
DOI: 10.1016/j.matpr.2020.01.594 Corpus ID: 212824058; Effect of anionic flocculant on settling rate of iron ore ultra-fines @article{Sadangi2020EffectOA, title={Effect of anionic flocculant on settling rate of iron ore ultra-fines}, author={Jitendra Kumar Sadangi and Ashok Kumar Sahoo and B. R. Sushobhan and N. Choudhury}, journal={Materials …
The flocculation performance of grafted sodium alginate …
— Two varieties of iron ore slimes were collected from iron ore mines Kiriburu (Orissa, India) and Joda (Bihar, India), respectively. The iron ore slimes are abbreviated as K and J. For the flocculation experiment, the following flocculants were used.
Effect of primary flocculant type on a two-step
— With anionic or nononic polymer as primary flocculant, two-step flocculation was used for iron fine tailings treatment. •. Better flocculation effect was achieved with …
Iron ore slimes beneficiation using optimised hydrocyclone …
— The selected feed iron ore slimes are subjected to sizing in a conventional vibrating sieve shaker followed by assaying for each fraction. The Scanning Electron Microscope - Energy Dispersive X-ray spectroscopy (SEM-EDX) average and spot wise analysis focused predominantly to recognise the elemental composition of the mineral …
Flotation of Iron Ores: A Review
— According to the U.S. Geological Survey there are approximately 170 billion tons of iron ore available in the world, representing 83 billion tons of metallic iron which could be extracted. ...
Exploring Alternatives to Polyacrylamide: A Comparative …
— The new polymer flocculants performed better than the commercially available polyacrylamides but retained high amounts of water in the sediments. This …
Biopolymer-based flocculants: a review of recent technologies
Biopolymer-based flocculants have become a potential substitute for inorganic coagulants and synthetic organic flocculants due to their wide natural reserves, environmental friendliness, easy natural degradation, and high material safety. In recent years, with more and more attention to clean technologies, a lot of researches on the modification and …
Cationic starches as flocculants of iron ore tailing slime
— This study aimed to evaluate the use of cross-linked cationic starch and pregelatinized cationic starch as flocculants in the sedimentation of iron ore tailing slime seeking a less toxic and less expensive alternative when compared with the use of polyacrylamide. ... Currently in the mining industry, the minerals of interest's liberation ...
BASF Performance Products plc
The range includes flocculants for use in decanters, washers and hydrate thickening, crystal growth modifiers and rheology modifiers. ... LKAB's Kiruna is the world's largest, most modern underground iron ore mine …
Improving flocculation and dewatering performance of iron …
— This necessitates optimization of dewatering systems particularly in arid and semi-arid mining regions. ... (containing 51% iron) is treated to produce 350–400 t/h concentrate with iron contents of 63%. The tailing of the iron ore beneficiation plant (containing 17% iron) at a mass flow rate of 300–350 t/h in slurry form with 5–8% w/v ...
Effect of primary flocculant type on a two-step
— Flocculating settling technology is important in the tailings filling in mines [5][6][7]. Flocculants are added to a dispersed ... Field application of this model in Sijiaying Iron Ore Mine, China ...
Comprehensive reutilization of iron in iron ore tailings: …
Comprehensive reutilization of iron in iron ore tailings: preparation and characterization of magnetic flocculants Yunyi Li1 & Xiaoyu Tian1 & Xiao He2 & Yangsheng Liu2 & Jiangyu Ye1 & Yunmei Wei1 Received: 7 December 2019/Accepted: 15 June 2020 # Springer-Verlag Germany, part of Springer Nature 2020 Abstract
Enhanced recovery of low-grade iron ore by selective …
— Beneficiation of low-grade iron ore was carried out by selective flocculation process using different flocculants, namely starch amylopectin (AP) and grafted copolymer of amylopectin (GAP). The iron ore used in the investigation contained 56.98% Fe, 5.45% Al 2 O 3, and 4.22% SiO 2. Flocculant dosage, number of floc washing, and pH were ...
Characterization and Beneficiation of Iron Ore Tailings by …
— The present investigation aims at detailed beneficiation of the low-grade goethitic ore of Gua iron ore mines from Jharkhand using selective flocculation process and modified starch as flocculant ...
Selective Flocculation of Iron Ore Slimes: Results of …
— A significant portion of currently mined iron ores, that is, 15–20% of run of mine ore, typically ends up as slimes—a slurry of fine particles (<45 micron) with relatively higher alumina contents (7–15% Al2O3). The only viable option currently is to dispose these slimes in tailing ponds for water recovery and future use. Due to increasing demand for …
Challenges and Opportunities of Biocoagulant/Bioflocculant …
— The chemical compounds commonly used as coagulants/flocculants include iron salts (FeCl 3 or Fe 2 (SO 4) 3), aluminum salts (Al 2 (SO 4) 3) [8,9], hydrated lime, magnesium carbonate, and polymers (aluminum chlorohydrate, polyaluminum chloride (PAC), polyaluminum sulfate chloride, and polyferric sulfate) . Some of the mentioned …
Flocculation Settling Characteristics of Ultra‐Fine Iron …
— Considering the high gypsum content and slow sedimentation of ultra-fine tailings in Chenchao Iron Mine, natural and flocculant sedimentation experiments of …
Flocculants
Iron ore; Minor metals; Non-Metallic Mineral Mining and Quarrying; Precious Metals and Minerals; ... As Nasaco specialises in the mining industry it has built its flocculant range based on 20 years experience in the field and offers a range of products in the following categories: ... All of our flocculants are manufactured and supplied as ...