Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Characterization and Empirical Analysis of Block Caving Induced Surface Subsidence and Macro Deformations
By K. Woo
The increasing move to block cave mining methods (including sublevel and panel caving) to access deeper and lower grade ore deposits as near surface sources become exhausted raises questions as to the
May 1, 2009
-
Use of the Latest Technology to Overcome the Demands of Mill Operation
By Tatiana Ravani von Ow, Leandro Bomvisinho
"The size of mills driven by ring-gear or by a gearless solution has significantly increased in the last years. This has created additional challenges for the driven equipment. The requirements for th
Jan 1, 2010
-
Significant Improvements are Possible from Process Optimization
By Jon R. Maki
"EVTAC, an iron ore mine in Minnesota, had trouble meeting the customer’s pellet silica requirements. In addition, the mine plan was moving towards a lower grade ore and funding was not available for
Jan 1, 2014
-
Study on the Impact of Using Cyclones Rather than Screens in the Grinding Circuit at Niobec Mine
By Y. Sasseville
"Niobec has been using vibrating screens and screw classifiers as a double stage classification in its grinding circuit since the very beginning of its operation in St-Honoré. Most of the other minera
Jan 1, 2015
-
Fast Track Reactivation -Jacobina Mine
Mine Evaluation Engineering , Operational and Social evaluation. Focus is on what opportunities are available. Social ??History ??Past Management Practices ??Community / Available labor force Mi
May 1, 2006
-
Importance of Government-Sponsored High-Resolution Gravimetric, Magnetic, and Electromagnetic Surveys for Exploration and Geological Investigations, Abitibi Sub-province, Canada
By P. Keating, J. Goutier, J. Ayer
"New, high-resolution geophysical surveys were undertaken over parts of the Abitibi Subprovince, Canada, to help with geological mapping and to promote mineral exploration. Gravity surveys in the Rouy
Jan 1, 2012
-
Rubber Lining Design for Grinding Mills: Influence on Economy and Capacity
By Gustav Nillson
There is a difference in design parameters between steel linings and rubber linings for grinding mills. The basic design parameters for rubber are described and a comparison is made between steel and
Jan 1, 1979
-
Acid Recovery in the Steel and Metallurgical Industry Process Characteristics and Fuel Saving Options
By F. Baerhold, S. Mitterecker
"Acid recovery is an important process step in pickling and leaching processes. Pyrohydrolysis in spray roasters and fluidized beds is a well-established technology to recover hydrochloric acid, but t
Jan 1, 2016
-
The Use of Mine Sequencing Controlled Through Numerical Modelling and Instrumentation to Destress a Highly Burst Prone Sill Pillar - Draft
In order to maintain a production rate of 6,000 tonnes per day from underground at the Williams Operating Corporation, two independent mining areas were required which created a long narrow sill pilla
Apr 1, 2005
-
Indicator Mineral and till Geochemical Methods for Kimberlite Exploration in Glaciated Terrain
By M. Beth McClenaghan
This paper summarizes diamond exploration techniques used in glaciated terrain, focusing on indicator mineral and geochemical methods applied to glacial sediments. Understanding the ice flow history,
May 1, 2002
-
Mocca: A Grinding Circuit Control Application
By C. Larsen, D. Fragomeni, A. Vien, D. G. Fisher
"MOCCA is a Multivariable Optimal Constrained Control Algorithm developed specifically for non-square industrial control applications with practical difficulties such as interactions, time delays, con
Jan 1, 1991
-
Bench-scale simulation of flotation plant performance
By Stratton-Crawley R., G. E. Agar
"A study has been done of the scale-up of laboratory bench-scale flotation to continuous plant circuit performance. It was found that the impellor speed and the air flow rate influenced the results an
Jan 1, 1982
-
Implementation of a Flotation Expert Control System at the Raglan Mine
By G. Couture
"The Glencore Raglan mine Concentrator, located in Quebec’s Nunavik region, has been in operation since 1997. The nickel metallurgical plant was originally designed to process 100 tonnes per hour of o
Jan 1, 2015
-
Spiral Surface Property Investigation
By X. Louw
"This paper examines the change in surface properties of the Polyurea used on spirals at different operational times: unused spiral, 28 months in operation and 58 months in operation. This is being do
Jan 1, 2017
-
Comparative Study on Flotation Performance of Stockpiled and Fresh Ore Samples
By C. Pelley, S. Kelebek, T. Katsabanis, B. Nanthakumar
"As part of a larger investigation on generation of fines from mining activities and their effect on downstream operations, ore samples from Onaping area stockpiles of Falconbridge Ltd were studied. B
Jan 1, 2006
-
Materials Challenges in Mine, Mill, and Smelters
By N. Behnood
"This paper describes how material selection, quality assurance, and failure investigation play important roles in the efficiency and safety of mining and metallurgical operations.INTRODUCTION Materia
Jan 1, 2015
-
Continuous Countercurrent Ion Exchange (CCIX) Used In Hydrometallurgy - The Influence of Iron
By Filip Rochette, Yvan De Busscher
Extraction of minerals can be achieved by a variety of technologies; one of them is ion exchange. There are several ion exchange configurations and mechanical set-ups available, but only one technolog
Jan 1, 2016
-
Requirements for Underground Mine Backfill Monitoring
By David O. DeGagné
While mine backfill plants are becoming increasingly more automated and instrumented, especially with paste fill operations, underground backfill distribution systems have hardly changed over the year
May 1, 2001
-
Cadia SAG Mill Simulated Charge Behaviour
By Walter Valery, Peter Radziszewski
"The NewCrest Cadia operation boasts the largest SAG mill commissioned last June 1998. A request was made to shed some more light on possible SAG mill charge behaviour. Three different software were u
Jan 1, 1999
-
Gas dispersion measurements in flotation machines
By J. A. Finch
"Gas dispersion in flotation defines the efficiency of the process once the chemistry has been established. There are three measurements, superficial gas velocity, gas holdup, and bubble size, which a
Jan 1, 2002