2006-10-1 · Bolani iron ore slime containing 53% Fe, 9.56% Al 2 O 3 and 6.14% SiO 2 was subjected to bio-beneficiation studies. In situ leaching by A. niger removed about 38% of alumina in 15 days, while B. circulans could removed 39% of alumina after six days at 10% pulp density. Culture filtrate leaching with A. niger removed 20% alumina with 13 day ...
Read More2011-12-13 · Beneficiation of iron ore slimes * S. D. Ruche and ** M. S. Prakasa Rao INTRODUCTION : National Mineral Development Corpora-tion (NMDC) is a premier mining organisation in the field of iron ore mining in India. The acti-vities of NMDC for the last 25 years broadly relate to explore, develop and exploit mineral
Read MoreBeneficiation of high alu mina iron ore fines fro m Noamundi, India is studied for producing sinter/ pellet grade concentrate. The iron ore fine sample has a feed
Read More2014-7-28 · Fig 4.5 A typical SEM output of Iron ore slime with high Al content 38 Fig 5.1 An integrated approach to removal of alumina from slime 43 Fig 5.2 Flowchart for beneficiation of
Read More2012-12-18 · The beneficiation tests on Bolani iron ore slime by hydrocyclone showed the possibility of upgrading the slime to 63.5%Fe, 1.8 Si02 and 2.8%A1203 with 31.1% product recovery from the slime feed assaying 53.71% Fe, 5.25%
Read More2018-1-30 · examined at pH 8 for beneficiation of iron ore slime and fines and vis-à-vis the removal of gangue minerals. A typical example on the use of AN103(P)) showed that the surface-active agent significantly removes and disperses alumina containing gangue minerals in the suspension and increases the iron value in the concentrate of iron ore fines.
Read Moreiron ore slime. 2. Experimental Iron ore slime collected for this study was screened by wet sieving technique into three broad size classes such as coarser than 50 μm, between 50 to 25 μm and finer than 25μm. This classification is based on the prevailing under-standing that existing beneficiation methods are suitable for
Read More2015-1-8 · iron ore by utilizing slime. The results from the reference research work had showed that the application of beneficiation process for the iron ore slime in India may lead to the sustainable growth of iron ore industries and it has also opened up answers for several questions regarding waste utilization and disposal strategies.
Read More2015-1-1 · Recovery of iron values from the Barsua iron ore slimes containing 56% Fe, 4.8% SiO 2, 7.2% Al 2 O 3 and 7.0% LOI by the addition of synthetic colloidal magnetite and oleate colloidal coating followed by high gradient magnetic separation technique was investigated. The effects of concentration of colloidal magnetite, pH, and magnetic field strength were studied.
Read More2011-12-13 · Beneficiation of iron ore slimes * S. D. Ruche and ** M. S. Prakasa Rao INTRODUCTION : National Mineral Development Corpora-tion (NMDC) is a premier mining organisation in the field of iron ore mining in India. The acti-vities of NMDC for the last 25 years broadly relate to explore, develop and exploit mineral
Read More2015-3-14 · Beneficiation is the process of separating iron ore from the gangue particles like alumina, silica. Increasing the iron ore demand, with the faster depletion of high grade iron ore, it is the time to use low grade iron ore slime as a feed stock rather leaves as a waste. Mainly coarser fraction is rich in iron content and finer fraction contained large amount of gangue.
Read MoreThe beneficiation potentials of two Indian iron ore slime samples by flotation technique using both cationic and anionic collectors are investigated. The direct and reverse flotation of slimes using oleic acid and dodecylamine as the collector have been studied using both conventional cell and flotation column to upgrade the iron content. The characterisation studies of iron ore slimes ...
Read More2018-1-30 · examined at pH 8 for beneficiation of iron ore slime and fines and vis-à-vis the removal of gangue minerals. A typical example on the use of AN103(P)) showed that the surface-active agent significantly removes and disperses alumina containing gangue minerals in the suspension and increases the iron value in the concentrate of iron ore fines.
Read More2020-5-6 · Earlier work indicates that beneficiation of iron ore slime is not difficult, but the beneficiation of iron ore slime containing very low iron content and very high alumina content is difficult. Also it is difficult to know the characteristic properties of the particles where most of the population is below 50 micron.
Read Moreiron ore slime. 2. Experimental Iron ore slime collected for this study was screened by wet sieving technique into three broad size classes such as coarser than 50 μm, between 50 to 25 μm and finer than 25μm. This classification is based on the prevailing under-standing that existing beneficiation methods are suitable for
Read More2013-12-24 · The beneficiation of iron ore slime produced from washing plants and tailing ponds of Kiriburu mines was studies [1] using wet high intensity magnetic separator followed by classification in a hydrocyclone. They showed that a concentrate assaying 63% Fe and 3.3% alumina could be produced with an overall iron recovery
Read More2021-8-3 · Keywords: Iron ore Slimes, Flotation. INTRODUCTION In order to effectively utilize iron ore slime, research was oriented towards technology development for slime beneficiation. The goal of this research work is to investigate possibilities for development of an effective and profitable technology through flotation to obtain hematite
Read MoreThe characteristics of the tailings dictate the type of disposal facility required. Characteristics of the tailings, transportation from beneficiation plants and disposal system are described. Studies on tailing slime have been carried out at iron ore mines in Orissa and the results are discussed.
Read More2015-3-14 · Beneficiation is the process of separating iron ore from the gangue particles like alumina, silica. Increasing the iron ore demand, with the faster depletion of high grade iron ore, it is the time to use low grade iron ore slime as a feed stock rather leaves as a waste. Mainly coarser fraction is rich in iron content and finer fraction contained large amount of gangue.
Read MoreThe beneficiation potentials of two Indian iron ore slime samples by flotation technique using both cationic and anionic collectors are investigated. The direct and reverse flotation of slimes using oleic acid and dodecylamine as the collector have been studied using both conventional cell and flotation column to upgrade the iron content. The characterisation studies of iron ore slimes ...
Read Moreiron ore slime. 2. Experimental Iron ore slime collected for this study was screened by wet sieving technique into three broad size classes such as coarser than 50 μm, between 50 to 25 μm and finer than 25μm. This classification is based on the prevailing under-standing that existing beneficiation methods are suitable for
Read More2021-8-3 · Keywords: Iron ore Slimes, Flotation. INTRODUCTION In order to effectively utilize iron ore slime, research was oriented towards technology development for slime beneficiation. The goal of this research work is to investigate possibilities for development of an effective and profitable technology through flotation to obtain hematite
Read More2014-6-19 · To identify and establish beneficiation techniques for slime, a comprehensive research work was carried out on beneficiation plant 2 thickener underflow (Tailing). Iron ore slimes (-45 micron ~80.0%) generated at
Read MoreThe characteristics of the tailings dictate the type of disposal facility required. Characteristics of the tailings, transportation from beneficiation plants and disposal system are described. Studies on tailing slime have been carried out at iron ore mines in Orissa and the results are discussed.
Read MoreAbstractDuring production of calibrated (sized) ore, more than 50 % of the generated fines and rejects (Slimes) cannot be directly utilised in iron making due to its unfavourable granulometry, low iron content, high alumina and silica content. Approximately 10–20 % of the process plant input is discarded as slimes into slime ponds/tailing dams.
Read More2018-3-27 · Beneficiation of Iron Ores. These ores ca n be directly used in the production of iron and steel. All other ores need benefaction and certain processing before they are used in t he production of iron and steel. Low grade iron ores cannot be used as such for the production of iron and SST eel and need to be upgraded to reduce its gangue content ...
Read More2015-8-5 · Two extremophilic microbes were isolated from iron ore slime samples which grew in silicate rich media at pH 7.0 and 35 °C. The native microbes isolated from iron ore slimes namely CNIOS-1 and CNIOS-2 have the potential to preferentially grow
Read More2019-8-18 · Depressants and Flocculants in Iron Ore Beneficiation – Starches and Starch Derivatives. This article discusses the effect of physical and chemical modifications of starches on the anionic and cationic flotation of silica from
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