Circuit design

Circuit design

Bearman, Bowman, Dunne AusIMM Publication ABSTRACT Upgrading coarse feed in gold plants, through a process of selective processing, has always been of interest. The level of interest has waxed and waned over the last 30–40 years, but improvements in methods and pressure to increase the efficienc...
23-Jun-2020
M. Sherman, A. Collins Presented at World Gold 2019 ABTRACT The ever changing demands of providing operating teams with grinding circuits that meet their needs has resulted in equipment suppliers offering a broader range of grinding equipment and researchers investigating more efficient methods o...
23-Jun-2020
T.Vizcarra, B. Wong Presented at SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT JKTech has completed a comparative testing program of Bond tests as an addition to its “round-robin” quality control program for JK Drop Weight(JKDW)and SMC tests. Over seventy Bond tests of repres...
22-Jun-2020
B Putland & R Sciberras SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT Many ore bodies are getting harder, more abrasive, and lower in grade. One of the issues designers face is minimizing capital and operating costs when treating such ores. Designers often look to secondar...
06-Jan-2020
*P. Pearce, C. Gagnon, B. Klein, R. McIvor, S. Makni, F. Wang, A. Kumar SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT The aim of the Crush It! Challenge is to accelerate transformative solutions to reduce energy usage in the mill. Natural Resources Canada supported competition...
06-Jan-2020
R Butar, M Becker, B Putland, I Lovatt, F Kock SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT Continuous improvement is a major key performance indicator (KPI) for many metallurgical operations. Improvement never happens by itself and is rarely attributed to a single party or...
06-Jan-2020
A Giblett and B Putland 14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia ABSTRACT This paper provides a simple guiding framework for grinding circuit optimisation, focussing on common themes in past optimisation success stories, the conditions for success and techniq...
23-Oct-2018
B PUTLAND, I LOVATT, A CERVELLIN AND D SCHWANN 14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia Australia The Mount Carlton project in Queensland's North East sits on a high-sulphidation epithermal style deposit rich in gold, copper and silver. Mt Carlton is an open...
27-Sep-2018
C MCCAMLEY, P PETRUCCI AND K BLAY 14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia Australia ABSTRACT The Newmont Boddington Gold (NBG) processing plant was designed for 35Mt/y with ball mills expected to deliver a combined new mill feed rate of 4837 tonnes/hr. Sinc...
27-Sep-2018
Peter Amelunxen Presented at Procemin 2016, October 26-28, Santiago, Chile. We all know the story of froth flotation. The first patents date to 1885, when Carrie Everson discovered a method of concentrating sulfide minerals from a powdered ore using a froth phase.  Everson’s process was...
26-Aug-2017
P STAPLES, G LANE, R BRAUN, B FOGGIATTO AND M P BUENO PRESENTED AT SAG CONFERENCE, SIXTH INTERNATIONAL CONFERENCE ON SEMIAUTOGENOUS AND HIGH PRESSURE GRINDING TECHNOLOGY, VANCOUVER, 20-24 SEPTEMBER 2015. ABSTRACT Autogenous (AG) and semi-autogenous (SAG) grinding mills are considered a mature tec...
18-Jul-2017
S NKWANYANA AND B LOVEDAY (1) PRESENTED AT COMMINUTION ’16, MINERALS ENGINEERING INTERNATIONAL, PUBLISHED IN MINERALS ENGINEERING VOLUMES 103-104, BARRY WILLS (ED), APRIL 2017. ABSTRACT Ball-mills are used widely for secondary grinding. Loveday (2010) reported on laboratory tests in which s...
18-Jul-2017
Comminution Circuit Design Considerations G Lane (1), B Foggiatto (1), R Braun (1), M P Bueno (1), P Staples (2) and S Rivard (2) 49th Annual Canadian Minerals Processors Conference, Ottawa, Canada, 17-19 January 2017    ABSTRACT This paper demonstrates the selection of grinding circui...
26-May-2017
The transition from semi-autogenous to autogenous milling at Waihi Gold C Haines and D Bertoldi AusIMM Mill Operators Conference 2016   ABSTRACT The Waihi Gold Mine (WGM) operated by OceanaGold New Zealand Limited is a wholly owned subsidiary of the OceanaGold Corporation of Australi...
26-Apr-2017
Grinding circuit practices at Newmont A Giblett and S Hart AusIMM Mill Operators Conference 2016   ABSTRACT In 2015 operations under the ownership and/or management of all Newmont Mining Corporation subsidiaries (Newmont) produced 5.7 Moz of gold and 619 Mlb of copper from mining opera...
26-Apr-2017
G Harbort and D Zoetbrood ABSTRACT The Phu Kham copper-gold operation in the Laos People’s Democratic Republic (PDR) is owned and operated by Phu Bia Mining Limited. PanAust Limited holds a 90 per cent interest in Phu Bia Mining Limited, with the remaining ten per cent held by the Laos PDR Gov...
15-Feb-2017
ABSTRACT Simulation work was carried out to analyse how feeding a finer size distribution to a single stage SAG mill in closed circuit with hydro cyclones at Freda Rebecca Gold Mine would affect throughput and specific energy consumption using an Excel based milling process simulator developed by...
07-May-2016
Abstract The Dumont deposit is a large (1,179 Mt proven and probable reserve) low grade (0.27% nickel) nickel sulphide project located in the Abitibi region 25 km west of Amos, Quebec. Royal Nickel Corporation acquired the project in 2007 and has since taken the project from a scoping study in 20...
08-Apr-2016
SAG 2015 A simple strategy is required for assessing the efficiency with which comminution circuits apply energy to achieve size reduction. A coherent methodology has been developed, based on well established theories, to graphically identify the opportunities for process improvement and the pote...
03-Jan-2016