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Aluminum Truck Bodies 1n Mining Operations
This paper states how alloy and welding advances have made possible the rapid development of the use of aluminum in the construction of equipment for earth moving and off -highway rock hauling. The ma
Jan 1, 1964
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Alveolar Macrophages Modulate the Epithelial Cell Response to Coal Dust in vitro
By D. Eugene Rannels, Yu-Chen Lee
"Lee, Yu-Chen, and D. Eugene Rannels. Alveolar macrophages modulate the epithelial cell response to coal dust in vitro. Am. J. Physicl. 270 (Lung Cell. Mol. Physiol. 14): L123-L132, 1996.-The response
Jan 1, 1998
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Amalgamation in Small Gold Operations: Alternatives and Treatment of Hg Contaminated Soils and Effluents
By F. F. Lins
There is a large use of mercury in Brazil by the gold miners in the so called "garimpos" (non registered mining operations), where it is usual to recover the gold contained in the gravity concentrates
Jan 1, 1994
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Amax Uses Practical Approach to Dewatering at Its Sleeper Mine
By W. David Tyler
Any mining or engineering-construction excavation that extends below the water table must be dewatered. In many situations, the ground is of low permeability or the workings extend only a short distan
Jan 1, 1991
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Amax's Sleeper mine exceeds expectations on all counts as low-cost gold producer
By Warren D. Stanford Stanford
Introduction The Sleeper mine is a near-surface gold mine located in a remote area 56 km (35 air miles) northwest of Winnemucca, NV (Fig. 1). The deposit was discovered in 1984 by an Amax exploration
Jan 4, 1987
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Ambient Pressure Production of Crystalline Scorodite from Arsenic-rich Metallurgical Effluent Solutions
By D. J. Droppert
This paper describes the precipitation-production of crystalline scorodite (FeAs04.2H20) from arsenic-rich sulphate-based metallurgical solutions at ambient pressure (95°C). Arsenic is precipitated by
Jan 1, 1996
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Ambient Temperature Precipitation of Heavy Metal Ions from Aqueous Solutions as Ferrite-Type Compounds
By Oscar Perales Perez, Atsuo Kasuya, Kazuyuki Tohji, Yoshiaki Umetsu
"The removal of iron and various heavy-metal ions by their incorporation into stable ferrite-type precipitates at 25°C is a promising alternative to clean up large volumes of polluted aqueous effluent
Jan 1, 2000
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Ambient Temperature Testing Of The G-Tunnel Heated Block
By Roger M. Zimmerman
The G-Tunnel heated block experiment is being conducted on the Nevada Test Site (NTS) as part of the Nevada Nuclear Waste Storage Investigations project (NNWSI). The purpose of the ambient temperature
Jan 1, 1984
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Ambuklao Tunnel Plug Construction
By B Hayes
The Ambuklao and Binga Rehabilitation Project is a 175 MW hydro power project currently under construction across dual sites in the north region of Luzon Island, Philippines. When it was built in 1956
Mar 8, 2011
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AMCMRR- An Analytical Model for Coal Mine Roof Reinforcement
By Mark G. Colwell, Russell Frith
"An Analytical Model for Coal Mine Roof Reinforcement (AMCMRR) has been developed. AMCMRR utilizes a Factor of Safety (FOS) approach, which is commonly used in all forms of engineering. The starting p
Jan 1, 2010
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Amenability of Gold Ores to Coarse Particle Gangue Rejection (Preconcentration) Processes
"Decreasing gold-in-ore grades is one of the main drivers of poorer productivity and rapidly escalating unit costs. Grinding costs, water use and reagent consumption are all intimately related to the
Jan 1, 2016
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Amendment of Physico-Mechanical Ore Properties Determination Methods for Ball Mill Grinding Processes in Comminution Circuits
By V. V. Lvov, L. S. Chitalov
"The purpose of the research is intensification of physico-mechanical ore properties determination for ball grinding processes in comminution circuits. The research presents comparative studies aimed
Jan 1, 2018
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American Lignites: Geological Occurrence, Petrographic Composition, And Extractable Waxes ? Introduction
By W. A. Selvig
EQUIREMENTS of montan wax for industrial use in the United States before World War II were met by imports, nearly all of which came from Germany. An important industry for extraction and refinement of
Jan 1, 1950
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American Smelting & Refining Company - Garfield Plant
The Garfield plant of the American Smelting & Refining Company is situated about seventeen miles west of Salt Lake City, on the Los Angeles & Salt Lake Railroad, and has freight service by the Denver
Jan 1, 1925
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American Smelting & Refining Company Garfield Plant
"The Garfield plant of the American Smelting & Refining Company is situated about seventeen miles west of Salt Lake City, on the Los Angeles & Salt Lake Railroad, and has freight service by the Denver
Jan 1, 1925
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Amine Flotation Of Feldspar From Magnetite Concentrate
By Gary W. Hudiburgh
The gangue in some magnetite ore bodies contains feldspar; the alkali content of the feldspar reduces the usefulness of these iron ores. One method of decreasing the feldspar content in magnetite conc
Jan 1, 1975
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Ammonia (NH3) in blasting fumes – origin and measurement
By Peter Moser, Michael Messner, Florian Bauer
The existence of ammonia in underground blasting fumes was frequently measured in various field tests (6, 7). Ammonia in fumes with a TLV (threshold limit value) of around 30 ppm (slightly different i
Jan 1, 2010
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Ammonia Nitrogen Removal by Enhanced Algae Growth – Case Study of a Subarctic Mine Site
By Thomas Genty, Pascal Marcotte, Matthew Gillman, John Baechler
Elevated concentrations of ammonia nitrogen is a common characteristic of mine impacted water and generally results from the dissolution of undetonated explosives (i.e., Ammonium Nitrate and Fuel Oil
Jan 1, 2023
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Ammonium Carbonate Leaching Of Reduced Electric Arc Furnace (EAF) Dust
By R. L. Nyirenda
One of the problems with ammoniacal-ammonium carbonate leaching of EAF carbon steelmaking flue dust is that zinc present in spinel phases is not leached. This paper presents results of test work in wh
Jan 1, 1992
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Amphoteric Surfactants as Flotation Collectors
By R. W. Smith, C. Schroeder, R. Haddenham
Amphoteric surfactants are heteropolar organic compounds which possess at least two functional (ionic) oppositely charged groups per molecule. The ones studied are manufactured by General Mills and po
Jan 1, 1974