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A Combined Method of Silver Recovery From Zinc CakesBy O. K. Kuznetzov, L. A. Otrozhdenova, N. D. Malinovskaya, I. I. Maksimov, N. D. Khodov
While processing zinc cakes with application of Weltz-technology silver remains unrecovered and goes into clinker. In order to prevent it the elaboration of effective silver recovery methods from zinc
Jan 1, 1995
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Industrial Hygiene Management In The 21st CenturyBy J. Harrison Daniel
Increasing concerns of industrial hygiene and worker health issues and resulting regulatory actions, coupled with continuing advances in mining systems, are placing new burdens on the industry and Fed
Jan 1, 1993
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Kinetics And Mechanism Of Leaching Synthetic Calaverite In Cyanide SolutionsBy Allen Pratt, Guy Deschênes, Mike Fulton, Hai Guo
Calaverite is a gold telluride species, with the composition, AuTe2. Calaverite is usually characterized by an exceedingly slow dissolution rate in a cyanide solution. Cyanidation of a slurry containi
Jan 1, 2005
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Mineral Processing:Environment, Economics,and Energy are CriticalBy R. Addison, P. V. Avotins, D. W. Kestner, M. F. Dibble, L. A. Haas, M. D. Flavel, D. Halbe, D. J. Barratt, G. V. Jergenaen
Mineral processing in 1980 can be described by several key words, familiar to the industry throughout the past decade: complex, low grade, environmental, energy, high tonnage, and economics. Flowsh
Jan 5, 1981
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Finding The Silver Lining In Shafter, TexasBy Douglas B. Silver
The key to unlocking value is to find opportunity where others have missed it. How does a company find value in a thoroughly explored asset? This article explores the approach taken by one company an
Jan 1, 1999
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Interparticle Crushing Of Gold Ore Improves LeachingBy Ing. H. Kellerwessel, Ing. M. Esna-Ashari
This paper refers to the new crushing and grinding process, invented by Professor Schonert (Ref. 1), Clausthal, Germany. The process is known as high pressure particle bed comminution or interparticle
Jan 1, 1998
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Water Quality And Reclamation Management In Mining Using BactericidesBy V. Rastogi
Surfactant-based bactericides are able to control acid formation in sulfidic materials such as pyrite and sulfidic ores, thereby helping to abate acid rock drainage. Bactericides are used in the follo
Jan 1, 1997
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Electrochemistry of Sulfide FlotationBy R. Woods
INTRODUCTION Gaudin (1), considered that "the mechanism of mineral collection is the central problem of flotation theory". From their work on adsorption phenomena in flotation for more than fifty ye
Jan 1, 1976
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An explanation of flocculation using Lewis acid-base theoryBy D. A. Stanley, B. J. Scheiner, P. M. Brown
The Bureau of Mines (USBM), US Department of the Interior, has developed a method of dewatering clay slurries based on flocculation by high-molecular-weight polymers and water removal from the formed
Jan 1, 1990
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Audible Warning Signals In Underground Coal Mines ? IntroductionBy L. W. Saperstein
One of the most critical skills developed by underground coal miners is the ability to interpret natural warning signals in terms of impending roof failure. A miner receives a variety of signals which
Jan 1, 1974
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2017 MPD Student Poster Contest Reviewed Abstracts - Mineral & Metallurgical Processing Division Society for Mining, Metallurgy & Exploration Inc. - February 22, 2017, Denver, CO"Foreword by Ren BryceSenior engineer, Freeport-McMoRan, Oro Valley, AZ, USAThe eighth annual Mineral & Metallurgical Processing Division (MPD) student poster contest was held in February at the natio
Jan 1, 2017
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Heathrow Express — New Rail Tunnels Under London’s Main AirportBy G. C. Tipper, A. P. Deane, A. G. Myers
SCHEME DESIGN London’s Heathrow Airport, as the world’s busiest international airport, is missing one vital aspect - a dedicated rail link which connects directly to the city. All this is about to
Jan 1, 1997
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An Approach To Computerized Open-Pit Production SchedulingBy William L. Rose
Production scheduling is an integral part of intermediate- and long-range open-pit mine planning, affecting equipment selection, manpower requirements and project economics. The development of mining
Jan 1, 1985
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The Use Of Conditional Lognormal Probability Distribution For The Estimation Of Open-Pit Ore Reserves In Stratabound Uranium Deposits - A Case StudyStratabound uranium deposits consist generally of two comingled geologic and statistical populations. Barren zones, usually having radiometric assays too low for recording on digitized logs, comprise
Jan 1, 1979
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Using Geostatistical Ore Block Variances In Production Planning By Integer ProgrammingBy Anshumali Gangwar
This paper outlines the chance constrained binary integer program developed by the author in his doctoral dissertation at Columbia University, New York, 1973. The optimum planning of a mining program
Jan 1, 1982
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New look into quantitative analysis of mine safety studiesBy J. Maiti, A. Bhattacherjee
A literature review on quantitative analysis of mine safely studies revealed that numerous investigators explored a wide- range of techniques, including the investigation of bivariate and multivariate
Jan 1, 2000
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Sustainability Indicators For Mining Projects: Assuring A Representative Diversity Of Stakeholders And Issues. Application To The Uranium Mines In Arlit (Niger) ? SummaryBy A. Chamaret
Minerals extraction is related to complex sustainable development issues that are subject to international and local controversies. Debates must be based on objective and comparative elements. Definin
Jan 1, 2007
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The Second Metro Line in Warsaw—Lessons LearntBy Anna Sieminska-Lewandowska, Monika Mitew-Czajewska
"The construction of 6.3 km long central part of 2nd metro line in Warsaw was completed in September 2014 (7 stations - out of which three 25m deep stations - built using cut and cover method; two sin
Jan 1, 2016
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Assessing Roof Fall Hazards for Underground Stone Mines: A Proposed Methodology (SME Annual Meeting Mar. 27-Mar.29, 2006, St. Louis, MO)By L. Prosser, A. Iannacchione, G. Esterhuizen
The potential for roof falls in underground mines remains a clear and present danger for mine workers. An investigation of ground conditions in nearly 50% of the nation’s underground stone mines foun
Jan 1, 2006
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Considerations In The Selection Of A Cooling System For The Deep Sub-Shaft Area Of A Mine With Very High Rock TemperaturesBy B. C. B. Pretorius
A heat load analysis of the very hot sub-shaft area of Loraine gold mine situated near Welkom, South Africa, showed. that the heat that needed to be removed to give acceptable wet-bulb temperatures at
Jan 1, 1980