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A Review of Electronic Waste (e-Waste) Recycling Technologies "Is e-Waste an Opportunity or Treat?"
By Muammer Kaya
The purpose of this review is to raise awareness about e-waste problem in the World. Whether generated at our home or our office, e-waste is most rapidly growing waste problem in the world. Even thoug
Jan 1, 2009
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Unconventional Mining – New Generation of Mining Technology of the XXI-st Century – Preprint 97-45
By K. Y. Vasioutchkov, Y. F. Vasyuchkov, B. M. Vorobjev
In general a term "unconventional mining or "non-traditional mining technology" getting more and move familiar to the mining engineering media. There are several alternating terminological combination
Feb 24, 1997
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Computer Design and Evaluation Tool for Illuminating Underground Coal-Mining Equipment
By S. Gallagher, C. A. Hamrick, A. G. Mayton, R Sonier, R. L. Unger
Introduction Industrial safety professionals recognize that adequate illumination is essential to a safe and productive work environment. The need for effective, lighting in underground coal mines is
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Eskay Creek Mine and Mill – A Continuing Success
By Garry Biles
The Eskay Creek Mine is a high-grade gold and silver underground mine in northwestern British Columbia. The mine started operations in late1994. For the first three years, ore was crushed to -50 mm(-
Jan 1, 2000
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RI 3911 Electrolytic Manganese in Low-Carbon Steel Tests at the Stanley Works, Bridgeport, Conn
By F. Sillers, R. T. C. Rasmussen
"INTRODUCTION This is the third report of investigations by the Bureau of Mines in cooperation with industry to establish the value of electrolytic manganese in the manufacture of ferrous and nonferro
Jul 1, 1945
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RI 3755 Explosives in Medium-Pressure Acetylene Generators
By G. S. Scott, W. J. Huff, G. W. Jones, R. E. Kennedy
"INTRODUCTION This report gives preliminary results of field and laboratory investigations made at the request of the War Production Board relative to causes that have occurred during the last 8 month
May 1, 1944
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The Onça Puma Nickel Project
By Ruy L. Rodrigues
Vale is in the early stages of commissioning its Onça Puma nickel operations. The project is meant for the production of 58,000 tpa of nickel contained in ferro-nickel, substantially contributing to t
May 1, 2010
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Are REE Exploration Companies Doing Enough and/or the Right Testwork to Avoid Plant Failure?
By B. Yu, N. Verbaan, A. Mezei
The recent 20 years witnessed a boom and bust in the nickel laterite industry. Most notoriously is the story of the first three Western Australian nickel laterite projects which all suffered major ram
Jan 1, 2014
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RI 4564 Estimated Plant And Operating Costs For Producing Gasoline By Coal Hydrogenation
By L. L. Hirst
In 1944, the 78th congress of the United States enacted Public Law 290, which directed the Secretary of the Interior, acting through the Bureau of Mines, to furnish industry with basic information and
Jan 1, 1949
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A New ERA Tool for State of the Art Metallurgical Balance Calculations
By Frédéric Flament, Luc Lachance
"The important task of metallurgical accounting that used to be done manually is being more and more automated. Currently available solutions can generate accounting reports without human intervention
Jan 1, 2011
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Developments In Copper Smelting: A Discussion of Changes in Copper Technology and Science as Seen through the Lens of Professor Davenport’s TEXTS
By Phillip J. Mackey, Gerardo R. F. Alvear F.
It is now 38 years since the publication of the first edition of "Extractive Metallurgy of Copper" by Professor W.G. Davenport and the late Professor A.K. Biswas. The text book would be issued in a to
Jan 1, 2014
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A Novel Recycling Technique for Neodymium Magnet Scraps Using B2O3 Flux
By Takahiro Kubo, Katsunori Yamaguchi, Hidehiro Sekimoto
Equilibrium relation between B2O3 slag, RExOy-B2O3 (RE = rare earths) slag and Fe-C alloy formed by melting treatment of neodymium magnet and B2O3 was investigated. When neodymium magnet was melted to
Jan 1, 2014
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El Abra: World’s Largest SX/EW Mine on Track to Join Copper Mining Elite
By Robin J. Hickson
El Abra is one of the world’s premier copper de-posits. The project is located in northern Chile, 140 km (87 miles) inland from the Pacific coast. It has the same geologic age and structural setting
Jan 1, 1996
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Leaching and Reduction of Cr (VI) by Indigeous Microorganism in the Contaminated Soils
By Youze Xu
The leaching and reduction of Cr(VI) in soils contaminated by chromium-containing slag were investigated with column experiments. The results showed that Cr(VI) concentration in leachate decreased fro
Jan 1, 2009
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The Northeast Boundary Tunnel—A TBM Performance Review - NAT2022
By Elisa Comis, Jeffrey Peterson, Yama Ebrahimi
Construction of the Northeast Boundary Tunnel (NEBT), the last leg of the Anacostia River Tunnel System on DC Water’s Clean Rivers Project, started in September 2018 and was completed in April 2021. T
Dec 1, 2022
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Vendors Show Off Latest in Mining Technology at SME Exhibit
By Georgene Renner, William R. Yernberg, Steve Kral
ABB offers complete electrical revamps of mining shovels with ac or dc drives, drive control, frequency converters with insular gate bi-polar transistor technology, intelligent control packages and vi
Jan 1, 2005
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Longwall Mining Helps Consol Boost Productivity
Ten years ago, only 3% of Consol's underground coal production resulted from using the longwall mining method. Today, that figure has grown to 45% and has helped the Pittsburgh-based concern fuel
Jan 11, 1983
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Characterization And Alternative Dissolution Of Tantalite Mineral Samples From Mozambique ? Synopsis
By M. Nete
Qualitative analysis of three mineral samples from northern Mozambique was accomplished by X-ray diffraction (XRD), microscopy, scintillation, and magnetic determination. Chemical characterization was
Jan 1, 2012
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IC 7109 Prevention of coal dust explosions by rock dusting
"To prevent the propagation of mine explosions, the Bureau of Mines recommends:1. That all coal and lignite mines, except anthracite mines shall be rock dusted.2. That rock dust shall be distributed u
Mar 1, 1940
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Integrated Experimental and Modelling Research on Copper-Making Slags
By Sergei Decterov, Peter Hayes, Evgueni Jak, Taufiq Hidayat, Denis Shishin
Copper smelter operations around the world are under sustained pressure to reduce costs and increase output. Through the provision of reliable data on fundamental properties of the chemical systems th
Jan 1, 2014