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The current research work initially presented the impact of flocculant in the circulating water on the dewatering of Gol-e-Gohar iron ore. To this end, the role of four key parameters including solid content, pH, flocculant type, and its dosages were studied on Gol-e-Gohar iron ore thickener. The following results are the main highlights: •
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1. Introduction. The mineral extraction and ore processing industry has grown significantly over the last several years, raising concerns regarding its impact on the environment [].Tailings generated during mineral extraction are mainly made of water and fine particles that form a stable colloidal system and make water recycling difficult [].Even though the …
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Garmsiri and Haji Amin Shirazi (2014) Talc pH Based on the type of flocculant, flocculation efficiency can be improved or decreased Ozkan (2003) Iron ore Flocculation stages As the flocculation ...
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Selective flocculation process has been commercialized in the iron ore industry for the processing of finely disseminated large deposits of oxidized taconites containing predominantly hematite and ...
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Here the study focuses on the application of selective flocculation process for beneficiation of synthetic mixtures of iron ore and kaolinite as well as iron ore tailings.
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assaying 66.2% Fe and <2% Al with a yield of 67.4% by weight (with a recovery of 77% of iron. values) using PVP (1 ppm dosage) and corn starch (20 ppm) for one of the slim e sample (Sample. I) as ...
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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. The main purpose of this study is to determine the modified starch to be a novel flocculant for iron fines processing. Chemical composition …
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Experiments indicated that iron ores, such as massive hard ores, laminated hard ores, fine powdery ore and blue dust ore, do not require complicated processing, however at the other end; sub grade ores, …
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The performance of flocculation process is affected by flocculant (molecular weight, charge density and functionality) and slurry properties (particle size, surface charge, ... (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 ...
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Also, there are literature available with hetero flocculation of process tailings such as iron ore [7], [18], coal [22], [23], [24] etc. However, very few articles are available with hetero flocculation of the complex mineral system like chromite ore process tailings. ... Analysis of the flocculation process of fine tailings particles in ...
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The results indicated that selective flocculation enhanced the Fe grade from 58.2% to 64.6% and an Fe recovery of 66.3% using polyacrylamine as a flocculant whereas when guar gum was used the iron ...
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Here the study focuses on the application of selective flocculation process for beneficiation of synthetic mixtures of iron ore and kaolinite as well as iron ore tailings. …
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A huge quantity of iron ore tailings was generated every year from the iron ore washing plants during beneficiation. These discarded tailings were stored in the tailing pond. Safe storage and handling of these tailings are a major concern to the management. Due to depletion of high-grade ore, the government of India had reduced the cut-off grade from …
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These iron values can be recovered by further beneficiating the fines, slimes and tailing by selective flocculation, which is defined as the selective agglomeration of iron ore …
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This research attempted to investigate the feasibility of using drinking water treatment sludge (ferric chloride sludge, FCS) as a coagulant for turbidity removal from iron ore tailings slurry. The evaluation was performed in two phases. In the first phase, the one factor at a time (OFAT) approach was used to study the effects of FCS dosage, initial …
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Iron ore tailings generated during beneficiation process of low grade iron ore fines from Rungta mines, Barbil, Odisha, India were used for the present studies. The slurry density of tailings received for dewatering studies was 1125–1200 kg m −3 and the particle density was around 3500–3600 kg m −3. The Magnafloc-1011 an anionic and ...
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The beneficiation of iron ore tailings by selective flocculation was studied. Starch and guar gum were used as flocculant, along with sodium hexametaphosphate (SHMP) as a dispersant. The selective flocculation process showed that the Fe grade could be enhanced from 58.24 to 65.32% Fe using starch as a flocculant with a recovery …
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Blue dust is a naturally very rich and. pure fine haematite iron ore which can be easily beneficiated to remove silica down to 0.30%. So, it. can be valuable source for high quality sponge iron ...
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Selective flocculation studies were carried out on Barsuan iron ore tailings having 50.5% iron, 7.2% alumina, and 7.8% silica in the absence and presence of ultrasonication at different ...
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A selective flocculation approach was employed to the iron ore tailings which contain 50.98% of Fe (T) with 8.86% of Al 2 O 3 assay. It was observed that, when applying a …
DetailsBeneficiation 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 ...
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Bonai Iron ore ranges in Jharkhand and Orissa and in adjoining areas in eastern sector • BHQ/BHJ formations • Mineralization occurs as massive ore (58%–66% Fe), laminated ore, shaly ore, and blue dust (64%–68% Fe). B: N-S trending linear belt in Central India in the States of Chhattisgarh, MP and East MS • Associated with BHQ •
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Effect of primary flocculant type on a two-step flocculation process on iron ore fine tailings under alkaline environment @article{Yang2019EffectOP, title={Effect of primary flocculant type on a two-step flocculation process on iron ore fine tailings under alkaline environment}, author={Ying Yang and Aixiang Wu and Bern Klein and Hong …
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This review delves into recent bio-beneficiation advancements for enhanced low-grade iron ore recovery using microbes. Research has revealed that bio-beneficiation methods …
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Zeta potential measurements were conducted to verify 1) if iron ore tailing sludge is promoting delayed flocculation due to the great abundance of iron oxyhydroxide in the composition; 2) if delayed flocculation is dependent on salts and/or pH differences between the fluvial Doce River environment and marine waters; and 3) if the new …
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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).
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The separation of iron oxide minerals from aluminium minerals like gibbsite and clay is relevant in the beneficiation of Indian iron ores. 1. Tata Research Development and Design Centre, 54B ...
DetailsThis paper reviews the industrial practices and fundamental research surrounding iron ore flotation. The advantages and disadvantages of direct flotation, cationic reverse flotation, …
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Very high-grade blue dust ore (friable and powdery hematitewith~67% Fe), high-grade massive, hard laminated hematitic ores (~66% Fe) and medium to low grade goethitic/lateritic ores (50%–60% Fe ...
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Both Anionic Magnafloc-155 and 1011 could be used as flocculants for Kudremukh Iron Ore fines and that the use of both of them resulted in rapid and complete settling. …
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Experiments indicated that iron ores, such as massive hard ores, laminated hard ores, fine powdery ore and blue dust ore, do not require complicated processing, however at the other end; sub grade ...
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The loss of silica and redistribution of iron is the result of strong subtropical weathering.16 Hypogene fluids have indeed played an important role in the evolution of these ore.10 The origin of Blue Dust by leaching of iron ore has been proposed by many researchers.14,36,52,53 Spencer and Percival53 suggested that the Blue Dust of …
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The flocculation and settling studies of 8 wt.% iron ore tailings were carried out by adding known volume of 0.05 wt.% anionic and non-ionic polyacrylamide flocculants in an 1 l graduated cylinder. After adding the flocculant, the graduated cylinder was closed with stop cork and the cylinder was shaked by making it up and down for 10 …
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A maximum settling rate of 1.58 cm/s was obtained at a high dosage (3.0 mg/g) of AP-g-PAA. Similarly, settling rates of 1.37 and 1.19 cm/s were obtained at the same dosages (3.0 mg/g) with AP and ...
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Fig. 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings. Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately 2.5–3 tons of IOTs are generated for every 1 ton of iron ore concentrate produced [7].In 2019, …
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2.1.2 Dust and Particulate Matter Emissions. ... 3.3 Bio-flocculation of Iron Ore. Bio-flocculation is an iron ore beneficiation method utilizing microbes, bacteria, algae, or fungi to aggregate and flocculate fine iron ore particles for separation in slurries enriched with cultures. ... (2019) A rheological study of the bioleaching process of ...
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