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  • ABM
    Tap Hole Free Opening Optimization In The Eaf Through Monitorized Grain Size Distribution Control Of The Ebt Filler Sand. Laboratory Testing & Industrial Application

    By Esteban Ruisanchez Rodriguez

    In this paper we will discuss the process of the grain size customization of the EBT filler sand in relationship to the technical characteristics of the furnace and its tap hole. By customizing the gr

    Aug 16, 2017

  • NIOSH
    RI 5911 Production Of Synthesis Gas And Hydrogen By The Steam-Iron Process: Pilot Plant Study Of Fluidized And Free-Falling Beds - Summary

    By S. J. Gasior

    Pilot plant studies showed the technical feasibility of fluidized-bed operation for producing hydrogen and synthesis gas by the steam-iron process. A mixture of iron and iron oxide from 20-to 100-mesh

    Jan 1, 1961

  • AUSIMM
    An Approach to the Flotation of Complex Gold Ores Containing Some Free Gold and/or Some Gold Associated with Easily Floatable Sulphide Minerals

    This paper describes some experiences in the design of flotation reagent schemes for the efficient flotation of complex gold ores containing free gold and/or gold associated with easily flotable sulph

    Jan 1, 1997

  • AIME
    Part V – May 1968 - Papers - Development of the Free-Machining, High-Strength High-Conductivity Cu-Cr-Pb and Cu-Cr-Zr-Pb Alloys

    By Matti J. Saarivirta

    The relative machinabilities of the precipitation-hardenable Cu-0.9 pct Cr, Cu-0.25 pct Zr, and Cu-0.9 pct Cr-0.25 pct Zr alloys are improved from 18 to 80 pct by 0.75 to 1.25 pct Pb. The Lead also i

    Jan 1, 1969

  • SME
    The Immobilization Of Free Ionic Gold And Asparaglne-Complexed Ionic Gold By Sporosarcina Ureae: The Importance Of Organo-Gold Complexes In Gold Mobility

    By G. Southam

    Bacterial populations play an active role in mineral weathering in subsurface and near-surface environments e.g., supergene enrichment of Cu at Morenci, AZ. An in vitro bacterial biofilm model was use

    Jan 1, 1999

  • AIME
    Must the United States Have A Petroleum Shortage ? An Independent Producer Claims A Free Market Will Provide Crude Oil To Meet All Demands

    By Harold B. Fell

    MANY oil producers are in disagreement with the idea held by some that an increase in the price of crude oil would be unlikely to stimulate much production and that we will be obliged to draw upon for

    Jan 1, 1947

  • CIM
    Formation of Nanocrystalline and Ultrafine-Grained Structures in Disk-Shaped Samples of Fe-0.15c and Interstitial-Free (If) Steels Produced by Ball Milling

    By A. Dolatmoradi

    Nanocrystalline structure formations produced by severe plastic deformation in Fe-0.15C with initial ferritic-pearlitic and IF steel with ferritic microstructures have been studied through microstruct

    Jan 1, 2010

  • SME
    Immobilization of free ionic gold and L-asparagine-complexed ionic gold by Sporosarcina ureae: The importance of organo-gold complexes in gold mobility

    By W. S. Fyfe, G. Southam, T. J. Beveridge

    Sporosarcina ureae was able to grow in the presence of tip to 10-ppm L-asparagine complexed gold. However, 10 ppm Au3+ was found to be highly toxic to Sporosarcina ureae, killing 109 bacteria/mL withi

    Jan 1, 2000

  • SME
    The Immobilization Of Free Ionic Gold And Asparagine-Complexed Ionic Gold By Sporosarcina Ureae: The Importance Of Organo-Gold Complexes In Gold Mobility

    By W. S. Fyfe, G. Southam, T. J. Beveridge

    Bacterial populations play an active role in mineral weathering in subsurface and near-surface environments e.g., supergene enrichment of Cu at Morenci, AZ. An invitro bacterial biofilm model was use

    Jan 1, 1999

  • SME
    Evaluation Of A New Method For Work Index Estimation Using Single Particle Impact Tests

    By R. P. King, M. K. McCarter, K. S. Free

    Mine plans typically consider the profits and costs associated with extracting and processing minerals into marketable products. Interrelationships between mine and mill costs are often overlooked dur

    Jan 1, 2004

  • CIM
    An evaluation of the recovery of free and unliberated mineral grains, metals and trace elements in the concentrator of Brunswick Mining and Smelting Corp. Ltd.

    By William Petruk, J. R. Schnarr

    The behaviour of minerals during flotation of a fine-grained pyrite-rich base metal ore was investigated by studying the feeds. concentrate and tailings from every flotation cell in the mill of Brunsw

    Jan 1, 1981

  • SAIMM
    Stability analysis of a free-standing backfill wall and a predictive equation for estimating the required strength of a backfill material – a numerical modelling approach

    By S. Sekhar, S. Bhargava, A. K. Godugu, J. L. Porathur

    Cemented backfilling has enabled underground hard rock mines to extract orebodies more safely with improved ore recovery. It is important to estimate the minimum required strength parameters for a bac

    May 2, 2022

  • SME
    Demonstration Campaign Results on a Cyanide-Free Process for Gold Extraction from a Refractory Pyrite Concentrate (SME Annual Meeting Feb. 19 - 22, 2017, Denver, CO)

    By . A. Drouin, J. -M. Lalancette, D. Lemieux, C. Chouinard

    "A gold bearing pyrite concentrate was treated at the demonstration scale (15 t/d) for the extraction of gold using a cyanide-free process. The pyrite was depressed in the flotation circuit in order t

    Jan 1, 2017

  • CIM
    The Stratigraphy, Sedimentology and Gold Distribution of the VS5/Beatrix Composite Reef at H.J. Joel Gold Mine, Orange Free State, Goldfield, Republic of South Africa

    By Morris J. Viljoen, Young. David R.

    "Abstract -The zone of economic interest at H.J . Joel Gold Mine is the VS5/Beatrix Composite Reef, a quartz-pebble conglomerate of Archean age. The reef occurs at the base of the Eldorado Formation,

    Jan 1, 1994

  • CIM
    The Stratigraphy, Sedimentology and Gold Distribution of the VSS/Beatrix Composite Reef at H.J. Joel Gold Mine, Orange Free State, Goldfield, Republic of South Africa

    By Morris J. Viljoen, David R. Young

    "The zone of economic interest at H.J. Joel Gold Mine is the VS5/Beatrix Composite Reef, a quartz-pebble conglomerate of Archean age. The reef occurs at the base of the Eldorado Formation, Central Ran

    Jan 1, 1994

  • NIOSH
    RI 9491 - Annealing Study of Stainless Steel To Conserve Critical Metals

    By A. Visnapuu

    The U.S. Bureau of Mines investigated the oxidation of American Iron and Steel Institute (AISI) Type 304 stainless steel (SS) during annealing in simulated combustion products from several air-CH4 fue

    Jan 1, 2010

  • ISEE
    Effect of delay time on stress induced damage and fragmentation: An analysis of the findings of small scale tests using observations of free face movement and calculations

    By N Gkikizas-Lampropoulis

    Selection of delay times to optimize fragmentation has been a controversial topic among researchers and blasting practitioners. This paper interprets previous experimental information on the effect of

    Jan 1, 2016

  • AIME
    Minerals Beneficiation - Hydrolytic and Ion Pair Absorption Models for Collectors in Flotation

    By M. A. Cook

    Sutherland used an ion-pair adsorption model to derive the author's hy-drolytic pee-acid) adsorption equation for the contact bubble curves of Wark and Cox. To do so it was necessary to postulat

    Jan 1, 1961

  • AIME
    Papers - Handling and Utilization - The Relation of Free-swelling Indexes to Other Characteristics of Some Alabama Domestic Stoker Coals (T.P. 2314, Coal Tech., Feb. 1948, with discussion)

    By Reynold Q. Shotts

    The small domestic underfeed stoker as now designed is unusually sensitive to the coking and plastic properties of coals, and when the attempt is made to burn the high rank coking and caking coals of

    Jan 1, 1949

  • CIM
    Coal classification and metallurgical coal evaluation

    By A. Lloyd, Montgomery, J. Jorgesen, W. J.

    "Coals are ranked according to their degree of metamorphism or progressive change in the natural series from lignite to anthracite. The reader is referred to ASTM Standard D-388, ""Standard Classifica

    Jan 1, 1985