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Use of Mine Tailings as Precast Construction Materials through Alkali Activation Mining, Metallurgy and Exploration (afe55b4e-c2bb-46a0-a2d9-37ae31a22959)
By Qingming Feng, Bo Huang, Dongbo An, Jinhong Zhang
A study of the application of mine tailings as precast construction materials through alkali activation has been carried out, focusing on efficiently activating mine tailings, reducing alkali consumpt
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Use of Mine Tailings as Precast Construction Materials through Alkali Activation Mining, Metallurgy and Exploration
By Qingming Feng, Bo Huang, Dongbo An, Jinhong Zhang
A study of the application of mine tailings as precast construction materials through alkali activation has been carried out, focusing on efficiently activating mine tailings, reducing alkali consumpt
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Problems With Appraising Electric Utility Assets After Deregulation (9b7f9b1b-6191-4f06-b182-7adc8e5b7333)
By J. Kern, M. Cain, T. Torries
Until recently, the generation of electricity was regulated in all states and the value of generation assets in a regulatory environment for ad valorem taxation were based largely on the book value of
Jan 1, 2001
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ANI’S Innovative Single Motor Twin Pinion [SMTP] Grinding Mill Drive
By J. B. Hadaway
The current limit to power transmission for grinding mills through one mill pinion is approximately 7,500kW. Above this power rating either twin pinion arrangements or Gearless drives are required. Th
Jan 1, 2001
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Cable Disc Elevator: Static Friction Investigation "Mining, Metallurgy & Exploration (2021)"
By C. Webb, M. A. Tuck
This paper describes the application of a cable disc elevator to continuous lift ore vertically from underground mines. Application of this system requires the tensions developed within the cable must
Nov 19, 2020
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Design And Construction Challenges Of Hard Rock TBMS At The Gotthard Base Tunnel
By Michael Rehbock-Sander
The Gotthard Base Tunnel (GBT) is 57 km (35 miles) long and consists of two par-allel single-track tubes with an ex-cavation diameter ranging from 8.8 to 9.5 m (28.8 to 31.2 ft). These are interlinked
Jan 1, 2012
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Managing Geologic Uncertainty in Pit Shell Optimization Using a Heuristic Algorithm and Stochastic Dominance Mining, Metallurgy and Exploration (444ce330-9c49-45a1-9758-2c54438ceb81)
By · J. B. Boisvert, O. Leuangthong, T. Acorn
Optimizing final pit limits for stochastic models provides access to geologic and economic uncertainty in the pit optimization stages of a mining project. This paper presents an approach for optimizin
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Managing Geologic Uncertainty in Pit Shell Optimization Using a Heuristic Algorithm and Stochastic Dominance Mining, Metallurgy and Exploration
By · J. B. Boisvert, O. Leuangthong, T. Acorn
Optimizing final pit limits for stochastic models provides access to geologic and economic uncertainty in the pit optimization stages of a mining project. This paper presents an approach for optimizin
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Technical Note - Increased value of refined high sulfur coal
By P. R. Dugan
Sulfur removal from high sulfur coal has several objectives including: a) reduction of the atmospheric load that contributes to the problem of acid precipitation; b) reduction of ash, which contribute
Jan 8, 1987
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Mining Asset Development for Virtual Reality
By J. Navoyski, B. Macdonald, W. J. Helfrich, J. L. Bellanca, B. Demich
DISCLAIMER The findings and conclusions in this paper are those of the authors and do not necessarily represent the official position of the National Institute for Occupational Safety and Health, Cen
Jan 1, 2019
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TBM Trailing Sandwich Belt High Angle Conveyor - RETC2023
By Joseph A. Dos Santos
The largest TBM (Tunnel Boring Machine) tunnels are typically along modest slopes, but not always. Occasionally high slope angles are required beyond the capabilities of conventional open trough trail
Jun 13, 2023
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Ventilation And Climatic Simulation Of Drift/Stope In Metal Mines (79b7ea50-1959-4187-8956-bc551a79c260)
By R. Gunda
Due to the rapidly increasing production rates and deepening of mine working areas, there is a drastic rise in the number of thermal issues to be addressed for maintaining a safe mine environment. As
Jan 1, 2011
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Selection Of Grinding Mill Liner Alloys For Optimum Wear Resistance
By Howard S. Avery
The wear resistance of an alloy in heavy mill liner sections may be quite different from that of the same alloy in small balls and other light sections. This fact was established by means of a well st
Jan 1, 1969
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Pillar Design and Coal Burst Experience in Utah Book Cliffs Longwall Operations
Longwall mining has existed in Utah for more than half a century. Much of this mining occurred at depths of cover that significantly exceed those encountered by most other U.S. longwall operations. De
Jan 7, 2020
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Liebherr Tradition Carries on with the Introduction of a New Haul Truck and Crawler Tractor
By Steve Kral
"Liebherr, as most anyone involved with the global mining industry knows, is one of the world’s largest makers of mining and construction heavy equipment. The familyowned company has been around since
Jan 12, 2017
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Head Frame Exploration At The Cannon Gold Mine -Meshing Old Methods With New Technology
By D. E. Cameron
The Cannon mine, located in north-central Washington is mining gold hosted in silicified Eocene-age arkosic sediments arrayed along a regional strike-slip fault system. Branches of the Eagle Creek fau
Jan 1, 1992
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Processing researchers continue efforts to streamline US mining
By P. Rosten
US mine production of iron ore in 1984 showed some improvements compared to 1983. But reduced demand from the iron and steel industry caused temporary shutdowns of many iron ore mines and pelletizing
Jan 5, 1985
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Analysis Of A Dense-Medium Separator For Coarse Coal Separation Using Computational Fluid Dynamics
By F. F. Peng
The raw-coal feeding system and the upward medium current flow in a dense-medium vessel (DMV) are, in addition to the residence time of particles in the separator, important factors for efficient coar
Jan 1, 2007
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High-Capacity Hoisting at Rondout West Branch Tunnel Project
By Derek Brennan, Donald Brennan
"The existing Rondout West Branch Tunnel (RWBT) is part of the Delaware Aqueduct which has been in service since 1944 and accounts for more than 50 percent of New York City’s water supply. In early 20
Mar 1, 2019
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Industrial Minerals 2004 – Fuller’s Earth
By R. L. Virta
Sixteen companies mined fuller’s earth in 11 states during 2004. Production during 2004, based on a preliminary survey of fuller’s earth producers, was 3.96 Mt (4.3million st) valued at $340 million.
Jan 1, 2005