Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
The Flsmidth® Rapid Oxidative Leach (Rol) Process. Part I: Mechano-Chemical Process for Treating Chalcopyrite
By F. Baczek, S. S. Rocks, D. Chaiko, T. Walters
The atmospheric leaching of chalcopyrite concentrates using acidic ferric sulfate lixiviants is well known to suffer from slow leach kinetics and poor copper recoveries. A number of approaches have be
Jan 1, 2015
-
Utilization of CO2 in Metallurgical Processes
By Seshadri Seetharaman, Nurni N. Viswanathan, Haijuan Wang
The present work aims at some process modifications in specified metallurgical processes, wherein CO2 can be used successfully as an oxidant for decarburization in steelmaking and applied in some non-
Jan 1, 2015
-
Integrated Mining and Processing Systems Design for Eco-Efficiency
By H. C. L. Reemeyer
"The mining industry faces increasing economic, environmental and social challenges, as easier deposits deplete and ores become more difficult to mine and process; head grades decline; projects migrat
Jan 1, 2017
-
Behaviour of Iron at the Ambatovy Nickel Operation in Madagascar
By B. Haugrud, E. McConaghy, M. Collins, G. Smith
"Laterite ore processed by the Ambatovy joint venture in Madagascar is primarily limonitic in nature, containing approximately 40–45 wt.% Fe and 1.1 wt.% Ni. The process selected for treatment of this
Jan 1, 2017
-
Morenci Hyrometallurgical Process Improvement - Application Of Six Sigma In Process Improvement
By R. Blosser
Phelps Dodge introduced a process improvement model known as Quest for Zero in 2001. In 2004, the focus of Quest for Zero shifted from corporate-led initiatives to projects led by site personnel. The
Jan 1, 2007
-
A geological appraisal of the coal resources of Nova Scotia
By Peter A. Hacquebard
Recent drilling programs have shown that the in-situ coal resources of Nova Scotia are very substantial. The grand totals of the measured, indicated and inferred categories amount to 232 m, 646m and 9
Jan 1, 1979
-
Engineering and Construction Of Plant and Wharf Facilities
By F. S. Thurner
"This paper describes the engineering and construction activities of the ""design-build"" project awarded to the joint venture of Foundation-Comstock-Janin for the construction of the plant and wharf
Jan 1, 1976
-
Caving at Johnson's Asbestos Mine Thetford Mines, Quebec
By The Staff
BEFORE going into detail on the subject to be presented, a brief outline of the Company's earl y history would not be out of place. Prospecting and mining on a small scale was started in 1876 on
Jan 1, 1941
-
Investigation of Freeze Linings in Magnesia-Containing Copper Slags
By T. Crivits
"Freeze lining technologies are used industrially to protect the integrity of furnace walls in pyrometallurgical reactors. This is achieved by solidifying a protective layer of slag on the inner furna
Jan 1, 2015
-
How to Substaintially Improve the Life Of A 30 Ha Tailings Pond At A Umicore Zinc Plant
By S. Foged
Umicore and MWH jointly demonstrated that mechanical dewatering of goethite and neutralised tailings significantly increased the life of a 30 ha tailings pond and improved the operation of the pond. U
Jan 1, 2006
-
Decision-Making Using an Integrated Evaluation Model Versus Sensitivity Analysis and Monte Carlo Simulation
By Grant D. Nicholas
This paper compares an integrated evaluation approach to decision-making with more traditional sensitivity analysis and Monte Carlo simulation. The primary objective is to highlight the differences in
May 1, 2007
-
A New Method for the Precipitation of Nickel and Cobalt
"In response to mine head grades declining and orebodies becoming more complex, Glencore Technology has developed an alternative method for recovering economic minerals once leached into solution, rat
Jan 1, 2017
-
A Complete System for On-Stream Particle Size Analysis
By B. F. Osborne
"A new sensor cannot be considered in isolation from the process in which it is utilized. This paper, describing an on-stream particle size analyzer, therefore gives considerable emphasis to the slurr
Jan 1, 1972
-
The Geology and Mineral Deposits of the Harricanaw And Bell River Basins
By George W. Bain
Summary During the last three years the discovery of gold in the belt of volcanic and sedimentary rocks extending eastward from the Porcupine and Kirkland Lake gold-fields has caused a great deal o
Jan 1, 1927
-
Roasting of Beattie Concentrate
By F. R. Archibald
SINCE the opening of the Beattie mine, in 1933, the concentrate produced by flotation has been considered refractory. As the gold extraction by cyanidation was poor, the concentrate, during the first
Jan 1, 1939
-
Ground Support at Craigmont
By A. J. Petrina
"At Craigmont Mines Limited, Merritt, B.C., tests were begun in March, 1965 to evaluate the use of shotcrete as a method of ground support m development headings; previously, ail drifts had. required
Jan 1, 1968
-
Applications of Plasma Technology in Extractive Metallurgy
By L H. Warren
The types of equipment available for generating a plasma have been reviewed. The efficiency and potential of the plasma generating equipment used in performing extractive metallurgical reactions have
Jan 1, 1965
-
Silicate Rocks - A Source of Potash for Fertilizers?
By Gulshan Kumar Pradhan, Yogendra Pratap Singh, Dhawanm Nikhil
"Potassium (K) is one of the essential elements for the growth of plants and thereby for humans. In fertilizers, potash demand has been steadily increasing at ~3.5% annually. Water soluble potash depo
Jan 1, 2016
-
Strength and Grade Relationships For a Copper-Zinc Sulphide Ore
By J. E. Udd
A core sample for this study was taken from the sulphide ore of the Geco Mine. The subsequent research was based on the assumption that a part of the scattering of strength-grade data could be correla
Jan 1, 1977
-
Resource developments on Indigenous Lands in Australia: The James Price Point Gas Precinct
By Margaret Anne Stephenson
Today, in Australia, it is increasingly common to see agreements between Indigenous peoples and resource companies being achieved generally as Indigenous Land Use Agreements or agreements pursuant to
Aug 1, 2013