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Operating a Commercial-Scale Bioleach Reactor at the Congress Gold Property
By Ralph P. Hackl
Ore at the Congress gold property, located near Goldbridge, British Columbia, is extremely refractory with most of the gold disseminated in fine-grained arsenopyrite. Metallurgical testwork conducted
Jan 1, 1990
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Moduiar Carbon Adsorption And Elution System: A Way To Save Capital
By Donald D. Gullickson
The entire system is built around pre-designed and pre-engineered modules which are assembled to meet the metallurgical and production parameters of the project. The carbon vessels are the key to the
Jan 1, 1998
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Agrico's Cross Gulf Phosphate Rock Total Transportation System
By Steven A. Savage
Agrico Chemical Company, as we presently know it, is the result of the coming together of several different fertilizer operations. The Williams Companies, our parent organization, first entered the fe
Jan 1, 1986
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Productivity Gains Using A Computer-Aided Earthmoving System On A Track-Type Dozer
By D. R. Gagnon
Mining companies are continually looking for product-ivity and efficiency improvements with their equipment to reduce operating costs. This paper will review the results of a productivity analysis co
Jan 1, 2002
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Ilvipact Of Top Management Phil.dsophy On Heap Leach Design
By R. Bruce Thorndycraft
Heap leaching should not be chosen for development of a property solely on the basis of paper studies. Management should be made to understand where the risks are in heap leaching, and management shou
Jan 1, 1998
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Use of Innovative Techniques and Tools on a Massive Tunnel Project
"There’s no fast way to add more than four miles of track, most of it underground, to the Sound Transit Link Light Rail system in the Seattle area. But increasingly busy traffic through a number of ne
Jan 6, 2018
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Contractor uses innovative techniques on Seattle project
"There is no fast way to add more than 6.4 km (4 miles) of track, most of it underground, to the Sound Transit Link Light Rail system in the Seattle, WA area. But increasingly busy traffic through a n
Dec 1, 2016
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New Antiscaiant For Gold Circuits
By Gary E. Geiger
laboratory studies were performed to assess the calcium carbonate inhibition performance of phsophonates and polymeric dispersants at high hardness and high pH conditions. Based on the results of thes
Jan 1, 1998
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Old Mines ? New Regulations: The re-opening of the Gordonsville, Elmwood, and Cumberland Mines under new DPM regulations
By A. Adu-Acheampong
The Mid-Tennessee Zinc (MTZ) mines, comprised of the Gordonsville, Elmwood, and Cumberland sites, last operated 4 years ago and are undergoing rehabilitation to begin production in 2008. The mines uti
Jan 1, 2009
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Effective Planning Of Underground Space?Planning And Implementation Of The First Underground Water Reservoirs In Hong Kong
By T. H. Chan
As the University of Hong Kong and their advisors planned their new Centennial Campus it became clear that they would have to re-provide existing water reservoirs on an adjacent site with new salt wat
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High-Speed 3D Tunnel Inspection in Subway Tunnels— Case Study San Francisco BART - RETC2021
By Thomas Pea, Heiner Kontrus, Jérôme Steinkühler
In tunnel condition assessment, the trend is towards comprehensive 3D measurement combined with high quality image texture to document and quantify damages to the tunnel surface and to create a cohesi
Jun 13, 2021
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Abrief Techno-economic Assessment Of The Provision Of Oxygen To Bio-oxidation cti On Systems For Refractory Sulpiilde Ores
By M. T. Errington, P. C. Miller, W. E. Hardwick
Paper discusses in general terms the techno economic merits of various types of aerated biological reaction systems. The current status of the technology leaves many questions unanswered and hence the
Jan 1, 1998
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Mini Symposium - Open Pit Haulage Systems in the 80's Part I & Part II - Oil Economics On Open Pit Mine Haulage Trends - The Effect Of Oil Economics On Open Pit Mine Haulage Trends - Introduction
By Alan K. Burton
Massive increases in the productive capability of open pit nines after World. War II were in a large part made possible by the introduction of ever larger trucks and the supply of a seemingly bottomle
Jan 1, 1981
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Design of the Underground Structures of the Railway Link between the Town of Thumrait and the Port of Salalah: Segment 4c of the “Oman National Railway Project”
By Pedone Ezio Michele, Mohamed Dahir Holad
"The 4c segment is a part of the ""Oman National Railway Project” linking the mining area in the surroundings of Thumrait and the port of Salalah. It is 90 km long and the last 40 km stretch crosses a
Jan 1, 2016
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Managing Engineering Talent: Unique Challenges to Optimize the Best and Brightest
By T. W. Camm, J. C. Johnson
"Most engineers are bright, hard-working, reliable, and prefer to avoid conflict. An engineering curriculum tends to self-select these characteristics. By most standards, you would expect workers exhi
Jan 1, 2017
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Design of Plants
By F. A. Gates, Bengt Samuelson, James E. Edmunds, S. McCune, Neil Hario, Norman L. Weiss, J. M. Bertram, A. M. Cavaliere, F. M. Jr. Stephens, D. D. Chiang
DESIGN BASIS Size of Project The size of the project generally is expressed in tons of ore milled per day, but company policies differ widely in this respect with a few adhering to this set figu
Jan 1, 1985
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More Than 420,000 People From 200 Countries Expected To Attend Bauma 2013
Improvements in cost efficiency, noise control, environmental design and ergonomics ? the mining and construction industries are facing demands on many fronts. The international manufacturers of cons
Jan 1, 2013
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Targeting Precious Metals Deposits Using A Predictor-Correlator Technique
By E. P. Gustafson
Demand by precious metals explorationists for cost effective means to target subsurface geologic structures worthy of evaluation by means of drilling has led to the use of the predictor-correlator tec
Jan 1, 1989
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Bentonite Commodity Markets From 1992 And Future Trends - Introduction
By William J. Miles
From a historical perspective, bentonite is the common rock term for various uses and applications. Its name originates from water-based muds near Fort Benton used for lubrication of wagon wheels duri
Jan 1, 2012
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Land Reclamation In Urban Areas
By Gene R. Block
The most economical method of reclaiming land that has been mined, whether it be in urban areas or in rural areas, is when the final configuration of the mining area is that which is required by the s
Jan 1, 1984