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The Impact of Environmental and Social Performance on the Financial Performance of Extractive Sector Firms
By A. A. Goss
We investigate the relationship between corporate financial performance (CFP) and environmental and social performance (CSP) in a sample (n=165) of large, publicly traded U.S. mining and oil and gas f
Aug 1, 2013
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Hybrid Laser-GMAW Welding of Aluminum Alloys: A Review
By L. Dubourg, H. Habibi, D. Rasmussen
The combination of laser welding with Gas Metal Arc Welding (GMA W) forms the hybrid laser-OMA W welding. This process is an attractive tool with a high potential in welding lightweight structures, es
Jan 1, 2006
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Magnetoflotation in Nickel Ore Processing
By Peter Wells, Adrian Sabau, Turgut Yalcin
"The nickel ores of Sudbury contain substantial amounts of the gangue mineral pyrrhotite (Fe7S&) which causes certain diflculties in the milling of these ores. This paper proposes a process called “ma
Jan 1, 1999
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Effect of Various Additives on Valuable Metals Recovery from Copper Cliff Converter Slag
By A. Mitrašinovic, A. Wolf
"The aim of this investigation was to determine the most suitable additive for recovering metals from converter slags generated during Ni extraction. Fluxes analyzed were silica and lime and reductant
Jan 1, 2015
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Driving Methods at the Myrtle Group
By E. E. Mason
THE Myrtle group of mining claims is situated on Barkerville mountain in the Cariboo mining district of British Columbia, west of the old mining town of Barkerville. An 1,800-foot adit, known as the S
Jan 1, 1942
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The Use of Mercury to Inhibit Autoclave Preg-Robbing of Gold: Pilot Plant Trials
By L. V. Chugaev, Y. M. Shneerson, P. V. Zaytsev, I. V. Fomenko, M. A. Pleshkov
"Pressure oxidation (POX) is one of the most common and reliable methods of processing gold-bearing sulfide concentrates. However, when processing concentrates that contain natural carbonaceous matter
Jan 1, 2017
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Explore or acquire? The dilemma
By H. O. Seigel, J. C. Gingerich, E. O. Köstlin
"To satisfy their continuing need to replenish or expand their ore reserves, mining companies are faced with the dilemma of arriving at a proper balance between the dual avenues of discovery through i
Jan 1, 2002
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Stereolithography, a Rapid Prototyping Technique for Orebody Modeling and Mine Design
By Christopher P. O?Connor
Stereolithography is a well known rapid prototyping technique in the manufacturing sector. Essentially it is a three dimensional printing process that produces plastic prototype parts from standard CA
May 1, 2002
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Metallurgical Coals for the Future
By A. D. Fisher
This paper describes the future position of metallurgical coal, particularly as applied to Canadian reserves. Quality coking coal is declining in availability, but preheating practices may alleviate t
Jan 1, 1972
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Long-term planning of an underground mine using mixed-integer linear programming (3f914add-ff63-4567-994a-ce69fb049d25)
By G. McIsaac
"This paper discusses the formulation of a linear program with the objective of maximizing the cash flow of the long-term plan of an underground operation. A mine is split into eleven independent ore
Jan 1, 2005
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Long-term planning of an underground mine using mixed-integer linear programming
By G. McIsaac
This paper discusses the formulation of a linear program with the objective of maximizing the cash flow of the long-term plan of an underground operation. A mine is split into eleven independent ore z
Sep 1, 2005
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A pilot-scale evaluation of the effect of grind size on the recovery of a UG2 platinum ore
By Trevor Harris, Martin Harris
"This paper evaluates the effect of grind size on the flotation performance of a platinum ore from the UG2 reef of the Bushveld Igneous Complex, in South Africa. The study was conducted on the Mintek
Jan 1, 2002
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Introduction of an Objective Matrix Coding Method for Rock Engineering Systems through Self Organising Maps
By Sakellariou M., Ferentinou M.
Determination of the nonlinear behavior of multivariate dynamic systems often presents a challenging and demanding task. Therefore, complex geomechanics systems are an ideal area for the application o
Jan 1, 2015
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Residual Effects of Lognormality in Concentrator Data
By Norman O. Lotter, André R. Laplante
"The pursuit of concentrator surveying for purposes of metal accounting or process optimization has not yet connected with the well-published realm of geostatistics. The reality of lognormality in tim
Jan 1, 2005
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Observations on the Impact of Furnace Dimensions and Power Density on Taphole Integrity
By R. J. Hundermark, K. van der Merwe, L. R. Nelson
Taphole integrity is critical to all furnaces, but it is especially important in high intensity electric furnaces processing matte and metal of high superheat. Key furnace dimensions are the electrod
Jan 1, 2015
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Hydrometallurgical Processing of Mongolian Lanthanide Ore
By A. Pawelczyk, D. Hreniak, E. Zych, W. Strek, K. Grabas, A. Ostrowski
"Mongolia is a country rich in rare earth resources. In the experiments carried out samples of the Mongolian ore were processed to obtain a lanthanide concentrate. The concentrate underwent hydrometal
Jan 1, 2012
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Landfill Mining as Demonstrated by the Example of Mining and Metallurgical Tips in the Harz Mountains, Lower Saxony, Germany
By Torsten Zeller
Due to the increasing worldwide demand for raw materials and the resulting rise in commodity prices more expensive processing that is able to utilize complex ores becomes economically viable. This and
Aug 1, 2013
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Separation of Zinc from Nickel Sulfate Solution with Solvent Extraction Method: Nickelboussingaultite Crystallization in the Raffinate by Ammonia
By Davood Moradkhani, Maryam Rasouli
"The present study reports solvent extraction and separation of zinc from concentrated nickel sulfate solution. In our previous study, Zn and Cd in cold filter cake (CFC, 45-55% Zn, 11-16% Cd, and 2.5
Jan 1, 2017
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Effects of Anodizing Pore Structure on the Adhesive Bonding Performance of AA5754 Automotive Sheets
By Pizhi Zhao, Yingdong Li, Hailong Cao, Yingjuan Feng
"Three types of anodic films (unsealed, hot water sealed and agent sealed) were prepared to study the effects of anodizing pores structure on the adhesive bonding performance of AA5754 automotive shee
Jan 1, 2018
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Iron Control in Mineral Processing
By J. A. Finch
For base metal sulphides, iron rejection starts in mineral processing. This review focuses on the changes in plant practice specifically to improve iron sulphide rejection by controlling contaminant i
Jan 1, 2006