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Biobeneficiation of bauxite using bacillus polymyxa calcium and iron

  • Unlimited Access to Peer-Reviewed Journals - DeepDyve
    Unlimited Access to Peer-Reviewed Journals - DeepDyve

    DeepDyve is the largest online rental service for scholarly research with thousands of academic publications available at your fingertips

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  • Biobeneficiation of bauxite using Bacillus polymyxa
    Biobeneficiation of bauxite using Bacillus polymyxa

    Abstract. Calcium and iron removal from a bauxite ore by Bacillus polymyxa has been demonstrated. Within a period of 7 days, the above organism could remove all the calcium and about 45% of iron from the ore in the presence of 2% sucrose in a Bromfield medium

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  • (PDF) Bio-beneficiation Possibility of Lowgrade Bauxite
    (PDF) Bio-beneficiation Possibility of Lowgrade Bauxite

    calcium and iron from bauxite. ... bauxite using Bacillus polymyxa: calcium and iron removal. ... R & D needs in mineral biobeneficiation. Hydrometallurgy 104: 465–470

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  • Biobeneficiation Of Bauxite Ore Using Bacillus Polymyxa
    Biobeneficiation Of Bauxite Ore Using Bacillus Polymyxa

    Confidentiality . Your privacy will not be spoiled by any 3-rd party. We keep all information about our clients and Biobeneficiation Of Bauxite Ore Using Bacillus Polymyxa: Surface Modification Of Quartz, Calcite And Magnetite Using Bacillus Polymyxa|Vijaya Banashettappa their payment transactions safe. You will pass through several steps of protection to be

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  • Roles of adhered Paenibacillus polymyxa in the dissolution
    Roles of adhered Paenibacillus polymyxa in the dissolution

    A soil bacterium Paenibacillus polymyxa was recently shown to selectively remove calcium and iron impurities from low grade bauxite ( 50% Al), for

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  • Froth Flotation of Iron Ores
    Froth Flotation of Iron Ores

    Jan 02, 2012 With the depleting reserves of high-grade iron ore in the world, froth flotation has become increasingly important to process intermediate- and low-grade iron ore in an attempt to meet the rapidly growing demand on the international market. In over half a century’s practice in the iron ore industry, froth flotation has been established as an efficient method to remove

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  • Hidden values in bauxite residue (red mud): recovery of
    Hidden values in bauxite residue (red mud): recovery of

    Sep 27, 2014 Red mud, in most cases, contains elevated concentrations of iron in addition to aluminium, titanium, sodium and valuable rare earth elements. Given the scarcity of iron supply globally, the iron content of red mud has attracted increasing research interest. ... Biobeneficiation of bauxite using Bacillus polymyxa: calcium and iron removal. Anand

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  • Effects of Calcium Oxide on Sintering-Separation of High
    Effects of Calcium Oxide on Sintering-Separation of High

    Abstract: Reduction sintering - magnetic separation process was adopted to deal with high iron-bearing bauxite. The effects of calcium oxide on sintering and Al-Fe separation effect of sintering product were analyzed. Components and microstructure of the reduced sintering product added different dosage of calcium oxide were studied by X-ray diffraction and scanning electron

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  • Biobenefication of Oxide Minerals from Bacillus subtilis
    Biobenefication of Oxide Minerals from Bacillus subtilis

    Biobeneficiation processes involving the separation of valuable minerals from ores and materials using conventional flotation and flocculation methods have been shown to be promising in recent years. There is an enormous potential to utilize microorganisms as flocculating agents, flotation collectors and/or depressants. The study involves Biobeneficiation of oxide minerals using

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  • Publications | Jayant M Modak
    Publications | Jayant M Modak

    Sep 10, 2021 Calcium removal from bauxite using Paenibacillus polymyxa. Mineral biotechnology. Microbial aspects of mineral beneficiation, metal extraction, and environmental control , Edited by: K. Kawatra S and K. A. Natarajan, 183--190, Society for Mining, Metallurgy, and Exploration (SME), USA

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  • (PDF) Biobeneficiation of bauxite using Bacillus
    (PDF) Biobeneficiation of bauxite using Bacillus

    It is evident that both direct bacterial attachment as well as indirect mechanisms have a role to play in the biobeneficiation process by Bacillus polymyxa. Calcium is present as calcite (CaCO 3) and iron as hematite (Fe203) and goethite [FeO(OH)] in the ore

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  • Biobeneficiation of Bauxite ore using Bacillus
    Biobeneficiation of Bauxite ore using Bacillus

    Buy Biobeneficiation of Bauxite ore using Bacillus polymyxa: Surface Modification of Quartz, Calcite and Magnetite using Bacillus polymyxa on

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  • Calcium removal from bauxite using Paenibacillus polymyxa
    Calcium removal from bauxite using Paenibacillus polymyxa

    Nov 01, 1999 The biological removal of calcium from a bauxite ore in the presence of the soil bacterium Paenibacillus polymyxa is demonstrated. A column bioreactor that can be either operated in a fluidized-bed (FB) mode for coarser particles or in a total-recycle-slurry (TRS) mode for finer particles was designed, fabricated and tested for this purpose

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  • Some microbiological aspects of bauxite
    Some microbiological aspects of bauxite

    May 01, 1997 Biogenesis thus plays a significant role in bauxite mineralization. Various types of bacteria and fungi, such as Bacillus polymyxa, Bacillus coagulans and Aspergillus niger, were found to be efficient in significant calcium solubilization and partial iron removal from bauxite ore. Probable mechanisms in the biobeneficiation process are analyzed

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  • Characterization of Bacillus Polymyxa from Jamnagar
    Characterization of Bacillus Polymyxa from Jamnagar

    Biobeneficiation of bauxite ore using B.polymyxa was carried out in Bromfield medium. 10% of active inoculum was inoculated into sterile medium containing 5% bauxite ore and the flask was incubated at 30 C on a rotary shaker at 240rpm to allow the growth of the cells and leaching of the ore. At regular intervals the solid residue of the

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  • [PDF] Characterization of Bacillus polymyxa from
    [PDF] Characterization of Bacillus polymyxa from

    Sep 30, 2011 Thus, B. polymyxa plays a significant role in biobenficiation of bauxite mineral. These observations clearly indicated that a direct mechanism through bacterial attachment to the ore and an indirect mechanism through leaching with metabolites are involved in the biobeneficiation process

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  • Biobeneficiation of Iron Ores
    Biobeneficiation of Iron Ores

    Jan 02, 2012 Microorganisms such as Paenibacillus polymyxa, Bacillus subtilis, Saccharomyces cerevisiae (yeast) and Desulfovibrio desulfuricans (SRB) are capable of significantly altering the surface chemical behavior of iron ore minerals such as hematite, corundum, calcite, quartz and apatite. Differing mineral surface affinities of microbial cells and

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