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A Review of Flotation Separation of Mg Carbonates (Dolomite and Magnesite)
minerals Review A Review of Flotation Separation of Mg Carbonates (Dolomite and Magnesite) Darius G. Wonyen 1,†, Varney Kromah 1,†, Borbor Gibson 1,† ID , Solomon Nah 1,† and Saeed Chehreh Chelgani 1,2,* ID 1 Department of Geology and Mining Engineering, Faculty of Engineering, University of Liberia, P.O. Box 9020 Monrovia, Liberia; [email protected] (D.G.W.); [email protected] (Y.K.); [email protected] (B.G.); [email protected] (S.N.) 2 Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI 48109, USA * Correspondence: [email protected]; Tel.: +1-41-6830-9356 † These authors contributed equally to the study. Received: 24 July 2018; Accepted: 13 August 2018; Published: 15 August 2018 Abstract: It is well documented that flotation has high economic viability for the beneficiation of valuable minerals when their main ore bodies contain magnesium (Mg) carbonates such as dolomite and magnesite. Flotation separation of Mg carbonates from their associated valuable minerals (AVMs) presents several challenges, and Mg carbonates have high levels of adverse effects on separation efficiency. These complexities can be attributed to various reasons: Mg carbonates are naturally hydrophilic, soluble, and exhibit similar surface characteristics as their AVMs. This study presents a compilation of various parameters, including zeta potential, pH, particle size, reagents (collectors, depressant, and modifiers), and bio-flotation, which were examined in several investigations into separating Mg carbonates from their AVMs by froth flotation. Keywords: dolomite; magnesite; flotation; bio-flotation 1. Introduction Magnesium (Mg) carbonates (salt-type minerals) are typical gangue phases associated with several valuable minerals, and have complicated processing [1,2]. -
United States Patent (19) 11 Patent Number: 4,514,290 Swiatkowski Et Al
United States Patent (19) 11 Patent Number: 4,514,290 Swiatkowski et al. 45 Date of Patent: Apr. 30, 1985 54 FLOTATION COLLECTOR COMPOSITION 4,206,045 6/1980 Wang et al.......................... 209/166 AND ITS USE 4,358,368 1/1982 Helsten et al........................ 252/61 4,425,229 1/1984 Baronet al. .......................... 252/61 (75) Inventors: Piotr Swiatkowski, Huddinge; Thomas Wiklund, Nacka, both of FOREIGN PATENT DOCUMENTS Sweden 1 155072 10/1963 Fed. Rep. of Germany ...... 209/167 73) Assignee: KenoGard AB, Stockholm, Sweden Primary Examiner-Bernard Nozick 21 Appl. No.: 471,006 Attorney, Agent, or Firm-Fred Philpitt 22 Filed: Mar. 1, 1983 57 ABSTRACT 30 Foreign Application Priority Data A flotation collector composition comprises a combina tion of fatty acids, amidocarboxylic acids or amidosul Mar. 5, 1982 SE Sweden ................................ 8201363 fonic acids and partial esters of phosphoric acid and 51 Int. Cl. ............................................... BO3D 1/14 alkoxylated alcohols. The collector composition is used 52 U.S. C. ....................................... 209/166; 252/61 for upgrading nonsulfide minerals containing alkaline 58) Field of Search ................... 252/61; 209/166, 167 earth metals by froth flotation. Minerals such as apatite, calcite, scheelite, fluorspar, magnesite and baryte can be 56) References Cited separated from the gangues using the collector compo U.S. PATENT DOCUMENTS sition. 2,297,664 9/1942 Tartaron ............................. 209/167 4,139,481 2/1979 Wang et al. ........................... 252A61 13 Claims, No Drawings 4,514,290 1. 2 The amidocarboxylic acids and the amidosulfonic FLOTATION COLLECTOR COMPOSITION AND acids which are used in the present collector combina ITS USE tions can be characterized by the general formula The present invention relates to a flotation collector R-X-(CH2)n-A, wherein x is the group composition comprising fatty acids, amido carboxylic acids or amidosulfonic acids and certain phosphate es R ters. -
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MTNERALOGTCALSOCIETY (LONDON) A meeting of the Society was held on Thursday, January 11th, 1951,in the apartments of the Geological Society of London, Burlington House, Piccadilly, W. 1 (by kind permis- sion). Exnrsrrs (1) Crystals of analcime and baryte from the trachyte of Traprain Law, East Lothian: by Dr. S. I. Tomkeiefi. (2) The use of a Laspeyres ocular lens in preference to the Berek compensator: by Dr. A. F. Hallimond. (3) Sections and colour photographs of (a) artificial corundum, (b) kyanite-staurolite intergrowth, (c) garnet: by Dr. Francis Jones. Papnns The following papers were read: (1) 'RnrcrmNlecn' AND 'BREZTNA'Leltrr,rln rN METEoRrrrc IRoNS. By Dr. L. J. Spencer Reichenbach lamellae, seen as bands on etched sections, were originally described as enclosed plates of troilite parallel to cube pianes in the kamacite-taenite structure, and Brczina lamellae as schreibersite parallel to the rhombic-dodecahedron. These minerals, and also cohenite, have since been observed in both of these and in other orientations. It has sometimes been assumed that bands at right angles indicate orientation on cube planes, but they may also be due to other orientations. On a section parallel to an octahedral plane it is possible only with lamellae parailel to the rhombic dodecahedron' (2) SnorrunNraRy INSLUSTSNSrN tnn IIvpnnsTHENE-GABBRo, ARDNAItrUR6HAN,ARGYLL- SIIIRE. By Mr. M. K. Wells The hypersthene-gabbro contains an abundance of granular basic hornfels inclusions which have all been interpreted in the past as recrystallized basic igneous rocks. Some of these inclusions, particularly banded ones, are now believed to be sedimentary rocks which have sufiered considerable metasomatism. -
Mineral Exploration: What, Where • and Why in Turkey
by Mining & Earth Sciences Magazine 01 September 2011 | Vol 1 | Number 1 | www.madencilik-turkiye.com • Mineral Exploration: What, Where and Why in Turkey • Turkey: Europe’s Largest Gold Producer • Mining Sector In The World and In Turkey contents Mining Turkey is published biannually by Mayeb Madencilik ve Yer Bilimleri Basım Yayın Dağıtım Ltd. 2...... FROM THE EDITOR 1042. Cd. 1335. Sk. Vadi Köşk Apt. No: 6/8 A. Öveçler / ANKARA / TURKEY Tel : +90 (312) 482 18 60 4...... NEWS Fax : +90 (312) 482 18 61 [email protected] www.madencilik-turkiye.com 12...... MINERAL EXPLORATION: WHAT, WHERE AND General Coordinator Onur Aydın WHY IN TURKEY by Özcan Yiğit [email protected] Editor - International Relations O. Çağım Tuğ 20...... FLSMIDTH company profile [email protected] News Ceren Kılıç 21...... CHESSER RESOURCES company profile [email protected] Graphic Design M. Anıl Tuğ 22...... TURKEY: EUROPE’S LARGEST GOLD PRODUCER [email protected] Merve Mallı [email protected] by Muhterem Köse Web Technologies Bilgin B. Yılmaz [email protected] 26...... MAXWELL GEOSERVICES company profile Legal Adviser Av. Evrim İnal [email protected] 28...... MINING SECTOR IN THE WORLD AND IN Academical Advisers Assoc. Prof. C. Okay Aksoy Assoc. Prof. Ali Sarıışık TURKEY by MSBK Assoc. Prof. Erol Kaya Assoc. Prof. Hakan Başarır Assoc. Prof. M. Emin Candansayar 32...... MINING COMPANIES IN TURKEY’S TOP 500 Assoc. Prof. Talip Güngör Assist. Prof. Melih Geniş Assist. Prof. Melih Iphar INDUSTRIAL ENTERPRISES OF 2010 Assist. Prof. Nuray Demirel Advertising Sales by Madencilik Türkiye Magazine [email protected] Annual Subscription Enquiries [email protected] Advertisers index 01 September 2011 1 Editor www.madencilik-turkiye.com 1979 to 2011. -
Discussion and Evaluation of Mining and Environment Laws of Turkey with Regard to Eu Legislation
DISCUSSION AND EVALUATION OF MINING AND ENVIRONMENT LAWS OF TURKEY WITH REGARD TO EU LEGISLATION A THESIS SUBMITTED TO THE GRADUATE SCHOOL OF NATURAL AND APPLIED SCIENCES OF MIDDLE EAST TECHNICAL UNIVERSITY BY ŞÜKRÜ ŞAFAK IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE IN MINING ENGINEERING SEPTEMBER 2006 1 Approval of the Graduate School of Natural and Applied Sciences Prof. Dr. Canan Özgen Director I certify that this thesis satisfies all the requirements as a thesis for the degree of Master of Science Prof. Dr. Ümit Atalay Head of Department This is to certify that we have read this thesis and that in our opinion it is fully adequate, in scope and quality, as a thesis for the degree of Master of Science. Assoc. Prof. Dr. Aydın Bilgin Supervisor Examining Committee Members Prof. Dr. Tevfik Güyagüler (METU, MINE) Assoc. Prof. Dr. Aydın Bilgin (METU, MINE) Prof. Dr. Naci Bölükba şı (METU, MINE) Prof. Dr. Ali İhsan Arol (METU, MINE) Assist. Prof. Dr. M. Ali Hindistan (HÜ, MINE) 1 I hereby declare that all information in this document has been obtained and presented in accordance with academic rules and ethical conduct. I also declare that, as required by these rules and conduct, I have fully cited and referenced all material and results that are not original to this work. Name, Last Name: Şükrü, ŞAFAK Signature : iii ABSTRACT DISCUSSION AND EVALUATION OF MINING AND ENVIRONMENT LAWS OF TURKEY WITH REGARD TO EU LEGISLATION ŞAFAK, Şükrü M.S., Department of Mining Engineering Supervisor : Assoc. Prof. Dr. Aydın Bilgin September 2006, 140 pages Turkey is trying to become a member of the European Union. -
Barite (Barium)
Barite (Barium) Chapter D of Critical Mineral Resources of the United States—Economic and Environmental Geology and Prospects for Future Supply Professional Paper 1802–D U.S. Department of the Interior U.S. Geological Survey Periodic Table of Elements 1A 8A 1 2 hydrogen helium 1.008 2A 3A 4A 5A 6A 7A 4.003 3 4 5 6 7 8 9 10 lithium beryllium boron carbon nitrogen oxygen fluorine neon 6.94 9.012 10.81 12.01 14.01 16.00 19.00 20.18 11 12 13 14 15 16 17 18 sodium magnesium aluminum silicon phosphorus sulfur chlorine argon 22.99 24.31 3B 4B 5B 6B 7B 8B 11B 12B 26.98 28.09 30.97 32.06 35.45 39.95 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 potassium calcium scandium titanium vanadium chromium manganese iron cobalt nickel copper zinc gallium germanium arsenic selenium bromine krypton 39.10 40.08 44.96 47.88 50.94 52.00 54.94 55.85 58.93 58.69 63.55 65.39 69.72 72.64 74.92 78.96 79.90 83.79 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 rubidium strontium yttrium zirconium niobium molybdenum technetium ruthenium rhodium palladium silver cadmium indium tin antimony tellurium iodine xenon 85.47 87.62 88.91 91.22 92.91 95.96 (98) 101.1 102.9 106.4 107.9 112.4 114.8 118.7 121.8 127.6 126.9 131.3 55 56 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 cesium barium hafnium tantalum tungsten rhenium osmium iridium platinum gold mercury thallium lead bismuth polonium astatine radon 132.9 137.3 178.5 180.9 183.9 186.2 190.2 192.2 195.1 197.0 200.5 204.4 207.2 209.0 (209) (210)(222) 87 88 104 105 106 107 108 109 110 111 112 113 114 115 116 -
Ore Deposits
EARTH SCIENCES RESEARCH JOURNAL Earth Sci. Res. J. Vol. 20, No. 3 (September, 2016 ) : A1 - A10 ORE DEPOSITS Occurrence of Cr-bearing beryl in stream sediment from Eskişehir, NW Turkey Hülya Erkoyun and Selahattin Kadir * Eskişehir Osmangazi University, Deparment of Geological Engineering, TR−26480 Eskişehir, Turkey [email protected] [email protected] *corresponding author ABSTRACT Keywords: Beryl, Kaymaz, schist, SEM-EDX, IR. Beryl crystals are found within stream sediments transecting schists in the northeast of Eskişehir, western Anatolia. This paper studied the Eskişehir beryl crystals with optical microscopy, scanning electron microscopy (SEM-EDX), infrared spectroscopy (IR) and geochemical analyses. Beryl is accompanied by garnet, glaucophane, quartz, epidote, muscovite and chlorite in the stream sediments. The crystals are euhedral emerald (green gem beryl) and light bluish- green aquamarine, with ideal sharp IR bands. Wet chemical analysis of Eskişehir beryl yielded 61.28% SiO2, 15.13% Al2O3, 12.34% BeO, 0.18% Cr2O3, 1.49% MgO, 1.69% Na2O, 0.98% Fe2O3, and 0.008% V2O3, resulting in the formula (Al1.75Cr0.01Mg0.22Fe0.08)(Be2.90Si6.00)(Na0.32)O18. Large Ion Lithophile Elements (LILE) (barium, strontium), some transition metals (cobalt, except nickel) and High Field Strength Elements (HFSE) (niobium, zirconium, and yttrium) in stream sediments that are associated with beryl exhibited low content about metamorphic rocks. Beryl formation appears to be controlled by upthrust faults and fractures that juxtaposed them with Cr-bearing ophiolitic units and a regime of metasomatic reactions. Such beryl crystals have also been found in detrital sediments that are derived from the schists. Presencia de berilios relacionados con Cromo en corrientes sedimentarias de Eskisehir, noroeste de Turquía RESUMEN Cristales de berilio fueron encontrados en sedimentos de corrientes que atraviesan en esquistos en el noreste de Palabras clave: Berilio, Kaymaz, esquistos, Eskisehir, al oeste de Anatolia. -
Barite Baso4 C 2001-2005 Mineral Data Publishing, Version 1 Crystal Data: Orthorhombic
Barite BaSO4 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Orthorhombic. Point Group: 2/m 2/m 2/m. Commonly in well-formed crystals, to 85 cm, with over 70 forms noted. Thin to thick tabular {001}, {210}, {101}, {011}; also prismatic along [001], [100], or [010], equant. As crested to rosettelike aggregates of tabular individuals, concretionary, fibrous, nodular, stalactitic, may be banded; granular, earthy, massive. Physical Properties: Cleavage: {001}, perfect; {210}, less perfect; {010}, imperfect. Fracture: Uneven. Tenacity: Brittle. Hardness = 3–3.5 D(meas.) = 4.50 D(calc.) = 4.47 May be thermoluminescent, may fluoresce and phosphoresce cream to spectral colors under UV. Optical Properties: Transparent to translucent. Color: Colorless, white, yellow, brown, gray, pale shades of red, green, blue, may be zoned, or change color on exposure to light; colorless or faintly tinted in transmitted light. Streak: White. Luster: Vitreous to resinous, may be pearly. Optical Class: Biaxial (+). Pleochroism: Weak. Orientation: X = c; Y = b; Z = a. Dispersion: r> v,weak. Absorption: Z > Y > X. α = 1.636 β = 1.637 γ = 1.648 2V(meas.) = 36◦–40◦ Cell Data: Space Group: P nma. a = 8.884(2) b = 5.457(3) c = 7.157(2) Z = 4 X-ray Powder Pattern: Synthetic. 3.445 (100), 3.103 (95), 2.121 (80), 2.106 (75), 3.319 (70), 3.899 (50), 2.836 (50) Chemistry: (1) (2) SO3 34.21 34.30 CaO 0.05 BaO 65.35 65.70 Total 99.61 100.00 (1) Sv´arov, Czech Republic. (2) BaSO4. Polymorphism & Series: Forms a series with celestine. -
Moles & Chapman SGA2019 Abstract
Neoproterozoic microbial processes in chemical sediment diagenesis: evidence from the Aberfeldy barite deposits Moles, Norman R. School of Environment and Technology, University of Brighton, UK. Email: [email protected] Boyce, Adrian J. Scottish Universities Environmental Research Centre (SUERC), University of Glasgow, UK Abstract. Microbial- and diffusion-controlled diagenetic 2.1 Barite deposition and diagenetic alteration processes were significant in the formation of sulfide-, sulfate- and carbonate-rich stratiform mineralization In modern ocean sediments, barite is not prone to hosted by Neoproterozoic graphitic metasediments near diagenetic alteration after burial where oxic conditions Aberfeldy in Perthshire, Scotland. In 1-10m thick beds of prevail, but is soluble under reducing conditions barite rock, barite δ34S of +36 ±1.5 ‰ represents the especially in the presence of sulfate-reducing microbes isotopic composition of contemporaneous seawater and organic matter (e.g. Clark et al., 2004). Porewater sulfate. Pronounced vertical variations in δ34S (+30 to +41 sulfate reduction is ubiquitous in organic-rich sediments ‰) and δ18O (+8 to +21 ‰) occur on a decimetre-scale at containing barite (e.g. Torres et al., 1996). bed margins. These excursions are attributed to early Some studies of sedimentary exhalative (sedex) barite diagenetic alteration, while the barite sediment was fine- deposits have proposed that barite precipitation occurred grained and porous, due to pulsed infiltration of in the water column with finely crystalline barite deposited isotopically diverse porefluids into the marginal barite. on the seabed (e.g. Lyons et al., 2006). However, in a Fluid-mediated transfer of barium and sulfate into study of non-hydrothermal sediment-hosted stratiform adjacent sediments contributed to barium enrichment and barite deposits worldwide, Johnson et al. -
The Hydrothermal Alteration of Carbonatite in the Fen Complex, Norway: Mineralogy, Geochemistry, and Implications for Rare-Earth Element Resource Formation
Mineralogical Magazine, May 2018, Vol. 82(S1), pp. S115–S131 The hydrothermal alteration of carbonatite in the Fen Complex, Norway: mineralogy, geochemistry, and implications for rare-earth element resource formation * C. MARIEN ,A.H.DIJKSTRA AND C. WILKINS School of Geography, Earth and Environmental Sciences, Plymouth University, Fitzroy Building, Drake Circus, Plymouth PL4 8AA, UK [Received 3 March 2017; Accepted 5 September 2017; Associate Editor: Nigel Cook] ABSTRACT The Fen Complex in Norway consists of a ∼583 Ma composite carbonatite-ijolite-pyroxenite diatreme intrusion. Locally, high grades (up to 1.6 wt.% total REE) of rare-earth elements (REE) are found in a hydrothermally altered, hematite-rich carbonatite known as rødbergite. The progressive transformation of primary igneous carbonatite to rødbergite was studied here using scanning electron microscopy and inductively coupled plasma-mass spectrometry trace-element analysis of 23 bulk samples taken along a key geological transect. A primary mineral assemblage of calcite, dolomite, apatite, pyrite, magnetite and columbite with accessory quartz, baryte, pyrochlore, fluorite and REE fluorocarbonates was found to have transformed progressively into a secondary assemblage of dolomite, Fe-dolomite, baryte, Ba-bearing phlogopite, hematite with accessory apatite, calcite, monazite-(Ce) and quartz. Textural evidence is presented for REE fluorocarbonates and apatite breaking down in igneous carbonatite, and monazite-(Ce) precipitating in rødbergite. The importance of micro-veins, interpreted as feeder fractures, containing secondary monazite and allanite, is highlighted. Textural evidence for included relics of primary apatite-rich carbonatite are also presented. These acted as a trap for monazite-(Ce) precipitation, a mechanism predicted by physical-chemical experiments. The transformation of carbonatite to rødbergite is accompanied by a 10- fold increase in REE concentrations. -
Etimine USA Inc. AB Etiproducts O.Y
Etimine USA, Inc. Borate and Boron Product Usage in the Oil and Gas Industry Borate mineral ores such as Ulexite and Colemanite, as well as refined borates and boron products, are important additives found in many formulations used in petroleum, natural gas and shale gas well operations in order to maximize yields and improve performance. When using guar gums, for example, the crosslinking action of borate’s B2O3 content gives drilling fluids the viscosity needed at less expense than simply using more guar gum to achieve the same viscosity. Ulexite’s delayed solubility means viscosity increase is delayed. When mixed just before using, it is easier to pump drilling fluids at a well head’s entry. Furthermore, borate’s pH sensitivity means drillers can easily reverse the crosslinking via buffers, making the fluid much easier to pump back to the surface once the job is done. Eti Maden and Etimine USA offer borate and boron product grades designed for oil and gas industry applications, including especially fine particle sizes that reduce filter clogging. Depending on the situation and type of application—such as drilling muds, well stimulation or fracking— borate and boron products are selected alongside other chemical components in order to modify a formulation’s viscosity, pH, thermal stability, lubricity and/or flow rate. Among the more popular borate products for use in oil and gas exploration, drilling and well completion, mineral ores Colemanite and Ulexite are the subject of numerous patents in the energy industry. Formulators and users are strongly encouraged to evaluate the current and pending patents to assess their ability to operate without infringing on protected intellectual property. -
Topographical Index
997 TOPOGRAPHICAL INDEX EUROPE Penberthy Croft, St. Hilary: carminite, beudantite, 431 Iceland (fsland) Pengenna (Trewethen) mine, St. Kew: Bondolfur, East Iceland: pitchsbone, beudantite, carminite, mimetite, sco- oligoclase, 587 rodite, 432 Sellatur, East Iceland: pitchs~one, anor- Redruth: danalite, 921 thoclase, 587 Roscommon Cliff, St. Just-in-Peuwith: Skruthur, East Iceland: pitchstonc, stokesite, 433 anorthoclase, 587 St. Day: cornubite, 1 Thingmuli, East Iceland: andesine, 587 Treburland mine, Altarnun: genthelvite, molybdenite, 921 Faroes (F~eroerne) Treore mine, St. Teath: beudantite, carminite, jamesonite, mimetite, sco- Erionite, chabazite, 343 rodite, stibnite, 431 Tretoil mine, Lanivet: danalite, garnet, Norway (Norge) ilvaite, 921 Gryting, Risor: fergusonite (var. risSrite), Wheal Betsy, Tremore, Lanivet: he]vine, 392 scheelite, 921 Helle, Arendal: fergusonite, 392 Wheal Carpenter, Gwinear: beudantite, Nedends: fergusonite, 392 bayldonite, carminite, 431 ; cornubite, Rullandsdalen, Risor: fergusonite, 392 cornwallite, 1 Wheal Clinton, Mylor, Falmouth: danal- British Isles ire, 921 Wheal Cock, St. Just-in- Penwith : apatite, E~GLA~D i~D WALES bertrandite, herderite, helvine, phena- Adamite, hiibnerite, xliv kite, scheelite, 921 Billingham anhydrite mine, Durham: Wheal Ding (part of Bodmin Wheal aph~hitalite(?), arsenopyrite(?), ep- Mary): blende, he]vine, scheelite, 921 somite, ferric sulphate(?), gypsum, Wheal Gorland, Gwennap: cornubite, l; halite, ilsemannite(?), lepidocrocite, beudantite, carminite, zeunerite, 430 molybdenite(?),