— This study highlights the utilization of different flocculants in the settling of Iron Ore Tailings slurry (IOTs) in a tailings pond. Performances of different flocculants such as polyacrylamide, guar gum, and alstafloc are used to study the efficiency of the settling …
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— 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 …
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— The flocculation characteristics of sodium alginate-g-polyacrylamide (grade VI) SAG-VI developed in authors' laboratory was compared with some commercially available flocculants in aqueous suspensions of 0.5 wt.% iron ore slimes. Two varieties of iron ore slimes were taken, one is denser than other, for comparison. The iron ore slime …
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— 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 …
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Iron ore; Phosphate and potash; Sand, gravel and aggregate ... Nalco's mining and process technologies and application expertise, coupled with our core water treatment knowledge, make us the perfect partner to assist with all aspects of improved sustainable water use. ... POL-E-Z® Liquid Flocculants-quick inverting flocculant technology ...
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— 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 ...
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— India is endowed with huge iron ore deposits. During processing of these iron ores, a large amount of extremely fine particles (typically less than 45 microns), …
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— Indian mining industries primarily depend upon high-grade fines mainly because of two factors, one is lack of beneficiation infrastructure and high cost of low-grade fines, the second one is lack of proper tail disposal system. Due to lapses in our policies, miners get better premium by selling high-grade fines over low-grade fines. This restricts …
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— 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 ...
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— Water plays a crucial role in mineral beneficiation, and thus dewatering the tailings from mineral processing plants has great importance. This paper discusses the influence of chemical conditions (pH, flocculants, surfactants, and coagulants) on the filtration performance of iron ore tailings. The results indicated that Ca 2+ and Na + ions …
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— 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. ...
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— 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 ...
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— 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 ...
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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 …
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— The effect of anionic and non-ionic flocculants dosages on the electrokinetic zeta potential of iron ore tailings particles is shown in Fig. 4, Fig. 5 respectively at pH 6.5 and 10. The zeta potential measured in the absence of flocculant dosage at pH 6.5 and 10 are −12 and −26.5 mV respectively (Fig. 2).With the addition of anionic PAM flocculant, …
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— 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 …
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— Eswaraiah et al. studied the settling characteristics of iron ore slurry with anionic, cationic, and nonionic flocculants at different ranges of slurry pH values and found that the flocculants increase the settling …
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— An overview of iron ore beneficiation techniques, including their limitations and environmental concerns, iron ore bio-beneficiation techniques, and future outlook …
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— Considering the high gypsum content and slow sedimentation of ultra-fine tailings in Chenchao Iron Mine, natural and flocculant sedimentation experiments of …
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— 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 …
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— 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 …
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— 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 ...
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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 …
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— Rheological characterization and performance of flocculants in iron ore tailings management ... Increasing efficiency of thickener operation in concentrate plant of iron ore mine using coagulation ...
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— 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.
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— The tailings used in this study were iron ore waste tailings originally supplied by ArcelorMittal USA, steel and mining company operating in the USA. The tailings preparation process comprised of a number of steps, the first of which was taking a 45-kg wet sample of +4.0 mm feed size from the waste tailings, and passing it through a …
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— With anionic or nononic polymer as primary flocculant, two-step flocculation was used for iron fine tailings treatment. •. Better flocculation effect was achieved with …
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Flocculants and coagulants for mining operations. ... KemPel organic binders for agglomeration of iron-ore can be used as an alternative to, or in conjunction with, bentonite in the pelletization process. Kemira is working in cooperation with leading pellet producers, industry leaders like Outotec and research centers such as IPT in São Paulo ...
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— The new polymer flocculants performed better than the commercially available polyacrylamides but retained high amounts of water in the sediments. This …
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— 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 ...
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— Kudremukh iron ore of India, Brazilian iron ore, and Chinese iron ore containing high silica are amenable to flotation. 4. Conclusions. The studies of pure minerals and different iron ores with variations in alumina and silica content were subjected to flotation studies to understand the influence of these elements in flotation.
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— 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 …
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