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Synthesis of a-Bromo-Saturated Fatty Acids and Their Collecting Prperties on Quartz Mineral
By Binbin Luo, Northeastern University, Chuanyao Sun, Jie Liu, Yimin Zhu, Yanjun Li
"A series of new type collectors a-bromo-saturated fatty acids, CH3(CH2)5CHBrCOOH (a-BHA), CH3(CH2)7CHBrCOOH (a-BDA), CH3(CH2)9CHBrCOOH (a-BLA), CH3(CH2)11CHBrCOOH (a-BMA) were synthesized from satura
Jan 1, 2016
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Evolution of the Teniente Converter- Caletones Smelter
By C. Carrasco
Caletones Smelter, Division El Teniente of Codelco Chile, has used Teniente Converter (TC) as the only smelting unit since November 2000. The modernization project considered the shutdown of the last
Jan 1, 2007
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Ventilation System Design for the Wassa Underground Mine
By B. S. Prosser, K. G. Wallace, A. Akansobe
"This paper describes a ventilation project at the Wassa gold mine in Ghana. Golden Star (Wassa) (GSWL), a subsidiary of Golden Star Resources, owns and operates the mine. Golden Star holds a 90% inte
Jan 1, 2019
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Monitoring Perspective of Underground Lined Rock Caverns for High Pressurized Gas Storage
By H. M. Kim, J. Rutqvist, D. W. Ryu
"Demand of high pressurized gas storage in underground rock caverns is increasing. Compressed natural gas (CNG) and compressed air energy storage (CAES) are one of the promising examples after since l
Jan 1, 2015
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Strength Development and Characteristics of Sodium Silicate-fortified Sand Pastefill/The Effect of Binder Content, Sodium Silicate Concentration, and Pulp Density
By M. Razavi
This investigation is part an overall investigation on the effect of sodium silicate on the properties of the mine backfill. The results presented will highlight the effects of binder dosage, sodium s
May 1, 2007
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Zinc and brass in ancient India
By P. T. Craddock, H. V. Paliwal, L. K. Gurjar
The Indian cultural heritage of mining, smelting and the use of minerals and metals dates back to ancient times. Although the exact date of the commencement of such activities in India is not certain,
Jan 1, 1999
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Early Evaluation of Ground Conditions Ahead of Tunnel Face by Inclination Monitoring During Excavation
By K. Sakai, M. Miyaue, T. Aoki, T. Tani, S. Tanaka, N. Kudo
In the planning stage of a tunnel, due to limited technology in the geological survey and the financial restriction, tunnel supports are often designed from unsatisfactory information, and the tunnel
Jan 1, 2015
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Val d'Or Division
"The Val d'Or Division now comprises the Lucien C. Beliveau Mine and Concentrator (formerly the Pascalis, described below) and the Chimo Mine. Cambior acquired an initial 50% interest in the Chim
Jan 1, 1990
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Maximising Return On Your Improvement Efforts
By Gareth Barnes
Traditional approach to improvement is driven by good ideas from good people, but whilst the business case may sound good, when the project is complete, we often have not delivered on expectations. W
May 4, 2025
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Research on Numerical Simulation of Earth Dam Seepage Process Considering Temperature Field Coupling Effect
By Duanyou Li, Qing Xiao, Zhiwang Wang, Xiaoqing Gan
"Seepage is a major cause of earth-rockfill dam failure. Numerical simulation of infiltration process, distribution of drift, flow velocity and direction after the impoundment can guide seepage contro
Jan 1, 2015
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Mineral Waste Resources of Canada
By R. K. Collings
The annual production of mineral and mineral-based wastes in Canada is conservatively estimated to be 400 million tons. Over 90 per cent of this amount is waste rock or mill tailings from the mining a
Jan 1, 1978
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A Supply System for Western Canadian Thermal Coal
By E. G. Bazeley
The paper reviews the scope, timing and financial impact of this significant project, which involves the supply and transportation of nearly 4 million tons per year of bituminous coal and lignite from
Jan 1, 1978
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Laboratory Investigation of Flow Through Fractured Sandstone
By Jarret Thomson
An understanding of groundwater flow is essential for many aspects of mining. This is especially true for the process of shaft sinking through the sandstones of the Manitou Falls Group in the Athabasc
Jun 1, 2012
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Reagent Selection at the Gibraltar Mine for Improved Process Performance
By F. Chachula, A. Molinaro
"Sulphide mineral flotation operations continuously strive for a balance between mineralogy, mineral liberation, circuit conditions and reagent solutions to maximize the production rate and recovery o
Jan 1, 2018
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Use of a CO2 Gas Injection System in a Laboratory Model to Study Controlled Recirculation
By V. Gangrade
Recirculation is the major concern associated with the utilization of booster fans. In controlled recirculation, a portion of the return air is purposely mixed with the intake air and the mixture is d
Aug 1, 2013
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Enabling Mine Automation Through the Application of Neptec?s Opal and 3DRI Technology
By E. Trickey
In the mining industry there exists a constant drive for increased safety and productivity and decreased operating costs. This acts as a driver for implementing advanced technology. As more and more m
Aug 1, 2013
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Computerized Road Excavation Permit Processing and Utility Management in Hong Kong
By Xiang Yu
Hong Kong has a dense distribution of utility services laid under its road network. Utility undertakers frequently demand road openings to install new services and/or maintain existing ones. Road open
Aug 1, 2013
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Lead Through the Ages
By F. Habashi
Lead is an ancient metal. The alchemists related it to the planet Saturn. It was largely obtained by smelting galena which generally contains small quantities of silver. That is why the metallurgy of
Jan 1, 2008
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Use Of Wireless Technology And Vision Systems To Improve Processes, Maintenance, And Mineral Movement In Mining Plants
By H. Salamanca
HighService has developed different equipment using wireless technology and machine vision systems that were specially designed to allow 1) the online determination of the SAG mills liner's servi
Jan 1, 2007
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The Prediction of Carbon-in-Leach Gold Recovery Using Near-Infrared Spectroscopy
By J. Olson
"A model was developed to use near-infrared (NIR) analysis of pulverized ore samples to estimate the recoverable gold content for ores from the Barrick Cortez Hills underground mine. Current routing p
Jan 1, 2017