research articles on biobeneficiation of metallic ore

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  • Hypnotherapist Past life regression Bach flower

    Oral presentation on Biobeneficiation of iron ores with respect to environmental protection in Two days Seminar on Recent Trends in Microbial Biotechnology organized by Microbiological and Biotechnological Society Department of Microbiology and Biotechnology at Bangalore University 2012...

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  • Hanumantha Rao Kota

    My research in the minerals biobeneficiation area was noticed internationally and I have contributed an invited chapter on Bioflotation and bioflocculation of relevance to minerals bioprocessing to the book on Microbialprocessing of Metal Sulphides E Donati W Sand...

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  • Biobeneficiation of Iron Ores

    Jan 02 2012 0183 32 Utilization of aerobic and anaerobic microorganisms in iron ore beneficiation is discussed 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...

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  • What are the advancement in the biobeneficiation of Bauxite

    The late Prof Dr Antonio de Barros Machado Director of the Dundo Museum of Zoology and Anthropology in Angola 1947-1974 studied during more than 30 years of intense work until 2003 in...

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  • Processes Free Full

    Flotation constitutes a gravity separation process which originated from the minerals processing field However it has nowadays found several other applications as for example in the wastewater treatment field Concerning the necessary bubble generation method typically dispersed-air or dissolved-air flotation was mainly used Various types of biological materials were tested and floated...

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  • Biobeneficiation of bauxite using Bacillus polymyxa

    Nov 01 1996 0183 32 Further research is necessary to establish the above factors The reported results however establish the significant potential of biobeneficiation for removal of calcium and iron from bauxite ores for refractory and ceramic applications Through appropriate P Anand et al/ lnt J Miner...

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  • Mineral biotechnology Microbial aspects of mineral

    misc etde_20310183 title = Mineral biotechnology Microbial aspects of mineral beneficiation metal extraction and environmental control author = Kawatra S K and Natarajan K A abstractNote = Papers in this book illustrate the utility of mineral biotechnology with respect to biobeneficiation bioleaching bioremediation and biomineralization...

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  • Application of biotechnology in iron ore beneficiation

    Jan 01 2015 0183 32 Biobeneficiation of sulfide ores1341 Commercial bioleaching acidophilic bacteria Research into the biobeneficiation of sulfide mineral systems was driven by a desire to use bioreagents to replace or augment xanthate and fatty amine collectors to upgrade the ore as these conventional collectors are expensive and environmentally damaging...

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  • PDF Biobeneficiation of Iron Ores

    22 H Sarvamanga la et al Biobeneficiation of Iron Ores corun dum-adap ted bacterial cel ls in th e re moval of alu mina from ir o n ores is d iscusse d...

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  • IBERLID A lead isotope database and tool for metal

    There are magmatic- plutonic volcanic and hydrothermal shear-zone- sedimentary- and stratabound-related ore deposits that range from scattered and artisan exploitations to giant ore deposits Also different metallic ores have been exploited during the long history of mining activity since at least the 3rd Millennium BC Lunar et al 2002...

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  • Composition and evolution of ore fluids in a magmatic

    The relative Cu Pb and Zn concentrations in fluid inclusions at Bismark are consistent with those measured from base-metal ores in high-temperature carbonate- replacement deposits throughout Mexico and suggest that the bulk-metal budget of these deposits is primarily controlled by magmatic-hydrothermal fluids deficient in Cu...

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  • Granitic Pegmatites as Sources of Strategic Metals

    Abstract Rare-element granitic pegmatites are well recognized for the diversity and concentrations of metal ores that they host The supply of some of these elements is of concern and the European Commission recently designated metals such as tantalum and niobium as...

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  • Toxicity mechanism and health effects of some heavy metals

    Nov 15 2014 0183 32 Arsenic Arsenic is one of the most important heavy metals causing disquiet from both ecological and individual health standpoints Hughes et al 1988 It has a semimetallic property is prominently toxic and carcinogenic and is extensively available in the form of oxides or sulfides or as a salt of iron sodium calcium copper etc Singh et al 2007...

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  • Heavy Metals in Contaminated Soils A Review of Sources

    Scattered literature is harnessed to critically review the possible sources chemistry potential biohazards and best available remedial strategies for a number of heavy metals lead chromium arsenic zinc cadmium copper mercury and nickel commonly found in contaminated soils The principles advantages and disadvantages of immobilization soil washing and phytoremediation techniques...

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  • Bioprocessing of Ores Application to Space Resources

    This role is increasingly being applied by the mining metallurgy and sewage industries in the biobeneficiation of ores and in the bioconcentration of metal ions from natural receiving waters and from waste waters high in toxic metals Belliveau et al 1987 Ehrlich and Holmes 1986 Hutchins et al 1986 Nicolaidis 1987 Olson and Brinckman...

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  • IJNMVol06No02Apr2017pp17

    Biobeneficiation Bioleaching Effluent Treatment Energy Reduction in Metal Producing Industries Environmental Issues for Sustainable Extraction Hydrometallurgy Industrial Impact of Lab Scale Research Innovative Processes in Metal Extraction Material Synthesis for...

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  • PDF Getting rid of the unwanted highlights of

    Biobeneficiation of iron ore is very challenging due to the low price and chemical constitution of the ore There are substantial interests in the exploration of this technology for improving the...

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  • Powder Metallurgy Mining

    Research Article pen Access Hanumantha Rao et al J Powder etall in 213 2 3 http ddoiorg1417221661116 Research Article pen Access Powder Metallurgy Mining Revisiting Sulphide Mineral Bio Processing A Few Priorities and Directions Hanumantha Rao K 1 Javadi A Karlkvist T 1 Patra A Vilinska A 2 and Chernyshova IV...

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  • Heavy Metals Toxicity and the Environment

    Heavy metals are naturally occurring elements that have a high atomic weight and a density at least 5 times greater than that of water Their multiple industrial domestic agricultural medical and technological applications have led to their wide distribution in the environment raising concerns over their potential effects on human health and the environment...

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  • Bioleaching metal solubilization by microorganisms FEMS

    Jul 01 1997 0183 32 Abstract Bioleaching is a simple and effective technology for metal extraction from low-grade ores and mineral concentrat Metal recovery from sulfide minerals is based on the activity of chemolithotrophic bacteria mainly Thiobacillus ferrooxidans and T thiooxidans which convert insoluble metal sulfides into soluble metal sulfatNon-sulfide ores and minerals can be treated by...

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  • The coronavirus pandemic and its effect on mining

    Sep 27 2021 0183 32 India produces numerous minerals including fuel atomic metallic and non-metallic minerals and is a leading producer of metallic minerals including chromite iron ore...

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  • Journal of Iron and Steel Research International

    Research article Full text access Rietveld refinement microstructure mechanical properties and oxidation characteristics of Fe-28Mn- x Al-1C x = 10 and 12 wt low-density steels Zhen-yi Huang...

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  • 17 Major Mineral Resources Found in

    Total in situ reserves of gold ore are estimated at 224 million tonnes with 11650 tonnes of metal 5 Iron Ore The total in situ reserves of iron ore in the country are about 1 23 17 275 thousand tonnes of haematite and 53 95 214 thousand tonnes of magnetite The resources of very high-grade ore are limited and are restricted mainly in the...

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  • Biomineralization of metal

    Jan 01 2003 0183 32 Biomining is the use of microorganisms to extract metals from sulfide and/or iron-containing ores and mineral concentrat The iron and sulfide is microbially oxidized to produce ferric iron and sulfuric acid and these chemicals convert the insoluble sulfides of metals such as copper nickel and zinc to soluble metal sulfates that can be readily recovered from solution...

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  • Culturable microorganisms associated with Sishen iron ore

    Sep 28 2011 0183 32 The use of such technology for biobeneficiation of Sishen iron ore may simply defeat the purpose of the technology as iron is the major element of interest contained in iron ore materials With all these in mind this study has focussed on simple methods of isolating potential microbes from the iron materials and subsequently tested their...

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  • Recovery of Copper from Pyritic Copper Ores Using a

    In an attempt to investigate the use of bacteria and their metabolites as bioflotation reagents for environmentally friendly mineral processing laboratory cell flotation tests were carried out using copper sulfide ores bearing a high content of pyrite which were mixed with a biosurfactant-producing mixotrophic bacterium as bioflotation reagents...

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  • Bacterial Removal of Iron from Bauxite Ores A Comparative

    Bio-beneficiation of ores through iron removal is a common technique but not yet tested for the case of bauxite In this study we compared the iron reducing ability of three bacterial species with and without the chelating action of EDTA Tests were carried out using a diasporic bauxite sample containing 193 Fe2Ο3 in the form of hematite goethite and chamosite...

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  • RESEARCH Coated steel tinplate prices

    May 17 2021 0183 32 RESEARCH Coated steel tinplate prices continue surge ahead of contract re-negotiations The latest forecasts from Fastmarkets team of analysts are ready to view Recent weeks have largely been a repetition of the weeks leading up to our previous tracker in mid-April...

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  • Bauxite Reserve In Orissa And Its Utilisation

    biobeneficiation of bauxite ore through bacterial desilication bauxite behemoths the worlds biggest bauxite producers inverter danfoss vlt 3542 manual paraglide com how bauxite mining is affecting the niyamgiri tribe in odisha vedanta bags 2 odisha bauxite mines the economic times summary report ganhdhamardan bauxite...

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  • Columbia SIPA Center on Global Energy Policy Low

    Mar 08 2021 0183 32 Read the Article Download the PowerPoint Abstract Given increased urgency to transition the global economy to net-zero CO2 emission governments and industry have increased focus on decarbonizing hard-to-abate sectors including steel making which contributes roughly 6 of global CO2 emission and 8 of energy related emission including power consumption emission...

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  • Iron ore jumps around 10 copper set for first quarterly

    Sep 30 2021 0183 32 To be specific Iron ore jumps over 80 to cross the 740 yuan per ton level On the contrary Comex copper prints 005 intraday gains to snap a...

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  • Evidence of the impacts of metal mining and the

    Feb 21 2019 0183 32 Mining activities including prospecting exploration construction operation maintenance expansion abandonment decommissioning and repurposing of a mine can impact social and environmental systems in a range of positive and negative and direct and indirect ways Mining can yield a range of benefits to societies but it may also cause conflict not least in relation to above...

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  • An Integrated Biotechnological Approach to Gold Processing

    Nov 28 2010 0183 32 The role of biotechnology in different facets of gold extraction metallurgy is illustrated with respect to biogenesis of gold ore deposits biobenefication bioliberation and bioenvironmental contr...

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  • RESEARCH AND REVIEWS JOURNAL OF MICROBIOLOGY

    such as bioleaching for metal extraction bio-beneficiation of low grade ores bioremediation of contaminated soil and utilization of solid waste treatment of effluents and waste waters for metal decontamination etc 8 In the past few decades bioleaching of low-grade laterite ore using micro-organisms has proved to be...

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  • IsolatIon IdentIfIcatIon of Iron ore solubIlIsIng fungus

    Research Article Article 254 biobeneficiation of iron ore minerals INTRODUCTION One of the consequences of global technological advancement is the fast depletion rate of valuable minerals which are becoming increasingly difficult to find in their pure forms The first method involves direct mineral attack by the metal-complexing...

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  • Research and Reports on Metals

    Research and Reports on Metals is an Open Access peer reviewed material science Journal dedicated to publish high quality articles covering wide range study areas of Metallurgy Research Research and Reports on Metals aims to provide the international platform for all the engineers academicians and scientists to disseminate advancing knowledge on the start-of-art Metallurgical Engineering...

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  • Some microbiological aspects of bauxite mineralization and

    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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  • Biomineral Processing A Valid Eco

    Biomineral Processing A Valid Eco-Friendly Alternative for Metal Extraction Lala Behari Sukla 1 2 Jacintha Esther 1 2 Sandeep Panda 1 and Nilotpala Pradhan 1 2 1 Bioresources Engineering Department CSIR-Institute of Minerals Materials Technology Bhubaneswar-751013 Orissa India 2 Academy of Council of Scientific and Industrial Research AcSIR India...

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  • RESEARCH Drop in global auto output causes steel scrap

    Jul 08 2021 0183 32 RESEARCH Drop in global auto output causes steel scrap price spreads to widen The latest forecasts and analysis of the ferrous scrap and iron metallics market from the Fastmarkets research team are ready to be viewed Stifled automotive output this year driven by a supply shortage of semiconductor chips used in vehicles has tightened prime...

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  • Life Cycle Assessment of Metals A Scientific Synthesis

    Jul 07 2014 0183 32 We have assembled extensive information on the cradle-to-gate environmental burdens of 63 metals in their major use forms and illustrated the interconnectedness of metal production systems Related cumulative energy use global warming potential human health implications and ecosystem damage are estimated by metal life cycle stage ie mining purification and refining...

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  • International Journal Of Minerals Metallurgy And Materials

    Energy and Environment 6 Utilization of Solid Slag/Wastes and Complex Ores 7 Characterization of High Temperature Metallurgical Process Gold Ore Processing This book is a compilation of papers presented at the Regional Tribology Conference 2011 RTC2011 - Langkawi Malaysia on 22 24 November 2011...

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  • Minerals Free Full

    Microorganisms enter the flotation process mainly from intake water and ore material The diversity and number of microorganisms can vary significantly from mine to mine In flotation the conditions including oxygen levels temperature and nutrients from ore intake water and reagents are often favorable for the microbial growth The mining industry aims to close the water loops which is...

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  • Fastmarkets Research

    Feb 23 2016 0183 32 We take a longer-term look at base metals and crude oil to see just how prices now compare in real terms to those over the last 100 years In putting together this article we have used our own historic data as well as that available from other sources in...

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