The role of hybridisation in energy cost reduction - Contracts, uncertainty and capturing value

18-Oct-2018

M POWELL, S KANCHIBOTLA, V JOKOVIC, M HILDEN, B BONFILS, A MUSUNURI, P MOYO, S YU, J YOUNG, P YAROSHAK, E YALCIN AND B GORAIN 14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia ABSTRACT This work goes beyond the general perception of how the well-known mine to mill proc...

27-Sep-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

R BRADFORD, W GIFT-AGBEY, E GROBLER, P MORGAN AND T VORSTER  14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia Africa ABSTRACT The Asanko Gold Mine in Ghana started processing ore from the Nkran pit in January 2016 at a production nameplate of 3 Mt/a. The flowsh...

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

K MATSON, S TYRRELL AND B JACKSON 14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia Australia ABSTRACT Northern Star Resources Limited Jundee Gold Mine in Western Australia operates a comminution circuit that consists of a primary crusher, 3.85 MW semi-autogenous gri...

27-Sep-2018

MANOEL MORALES, CASSIO COSTA, TIAGO CAIXETA, CARLOS QUINTERO Procemin-Geomet 2015, Santiago, Chile, 21-23 October, 2015  For Brazilian iron ore producers, reverse cationic flotation is preferred to obtain high quality concentrates from silicate ores. The SiO2 (silica) particles are rende...

15-Aug-2018

J.N. KOHMUENCH, M.J. MANKOSA, H. THANASEKARAN, A. HOBERT Minerals Engineering, 121 (2018) ABSTRACT The copper sulfide processing flowsheet has remained virtually untouched for decades and follows a logical progression – crush, grind, float, regrind and refloat to produce a final copper concentrate. Th...

15-Aug-2018

A.Y. SENCHENKO & Y.V. KULIKOV  Udokan copper deposit reserving over 26 million tons of copper is the largest copper deposit in Russia and one of the largest in the world. The deposit is located in a hard-to-reach area of the Siberian region; nevertheless, construction of a processing plant...

05-Jul-2018

PETAR BODUROV & VASIL GENCHEV Journal of Multidisciplinary Engineering Science and Technology. 4(1), January 2017 ABSTRACT There is an alternative of the spherical grinding bodies. Innovative grinding bodies have shown in university tests with Bond Mill lower values of the Fred Bond Wi i...

05-Jul-2018

A.R. BATCHELOR, A.J. BUTTRESS, D.A. JONES, J. KATRIB, D. WAY, T. CHENJE, D. STOLL, C. DODDS, S.W. KINGMAN Minerals Engineering, 2017 ABSTRACT A pilot scale microwave treatment system capable of treating 10–150 t/h of material at 10–200 kW was designed, constructed and commissioned in order t...

05-Jul-2018

SAMAYAMUTTHIRIAN PALANIANDY, HIDEMASA ISHIKAWA AND MOHSEN YAHYAEI Procemin-Geomet 2017, Santiago, Chile, 4-6 October 2017 A novel approach to the circuit design through smart application of conventional processing units is the most viable solution to overcome the challenges in the mining industry...

22-Jun-2018

STEFAN NADOLSKI, CHRISTOPHER O'HARA, BERN KLEIN, DAVIDE ELMO & CRAIG J. R. HART  Mining Technology, February 2018 The productivity of milling circuits is sensitive to the size of mill feed. Uncertainty about the size of caved ore presents unique challenges to forecasting and controlling m...

22-Jun-2018

R.E. MCIVOR, K M BARTHOLOMEW, O M ARAFAT AND J A FINCH Mining Engineering, November 2017 United States ABSTRACT Since its development, the functional performance equation for ball milling (McIvor, 1988) has facilitated a new understanding of industrial circuit cause and effect relationships, lea...

06-Jun-2018

J J FRAUSTO, G R BALLANTYNE, K RUNGE, M S POWELL AND R CRUZ MetPlant 2017 - Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11–12 September 2017, Perth, Australia ABSTRACT Hydrocyclones are the most widely used device for classification in a grinding circuit. However,...

06-Jun-2018

G R BALLANTYNE Comminution ’18, April 16-19 2018, Cape Town, South Africa Australia ABSTRACT Comminution Energy Curves are a resource developed at the JKMRC and made available by CEEC to the mining industry to compare and benchmark comminution energy intensity at mine sites.   However...

06-Jun-2018

M SCOTTMine Excellence 2018 – 3rd International Seminar of Operational Excellence in Mining, 21-23 March 2018, Santiago, Chile Australia ABSTRACT The Australian mining industry currently consumes 28% more water, 21% more energy and generates 19% greater emissions to maintain the same level of prod...

06-Jun-2018

G Harbort and K Quan MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia Abstract Traditional engineering practice for concentrator design uses a mixture of risk minimisation options and capital minimi...

26-Oct-2017

P Toor, M Swart and H Ståhlbröst MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia Abstract Development of SAG liners has always been a strong focus and interest in mineral processing as...

26-Oct-2017

B Nielsen, J Rohleder, H Lehto and C Robbe MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia Abstract Sensor-based ore sorting is being increasingly used to reduce the amount of low-grade and waste m...

26-Oct-2017

S Palaniandy, M Spagnolo, R Halomoan, H Zhou and H Ishikawa MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia Abstract The Karara Mine concentrator commenced operation in November 2012 to produce hig...

26-Oct-2017

B C Povey, V Noll, K Lagutin and M Mryasov MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia Abstract The current Stoilensky magnetite concentrator comprises a three-stage crushing circuit followed b...

26-Oct-2017

G R Ballantyne, M Di Trento, I Lovatt and B Putland MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia Abstract The Tropicana Gold Mine, owned by AngloGold Ashanti Australia Ltd (70% owned and managed...

26-Oct-2017

G Lane, C Morley, D Yataco and I Ritchie MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia Abstract Marcobre SAC (Marcobre) is developing the Mina Justa project in Peru. The project has a lower grade...

26-Oct-2017

D David MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia Abstract Amongst those whose task it is to design tumbling mills and other comminution machines there is a religious divide between devotees...

26-Oct-2017

Holger Plath, Holger Plath, Christoph Beyer, David Kruth, Johann Knecht, Wolfgang Baum 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Although HPGR technology has been recognized since the late 1980s as a potential powerful to...

26-Sep-2017

Lutke von Ketelhodt, L. Kotelo, N. Schmalbein 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Barkerville Gold Mines (BGM) is focused on building a sustainable, low impact, innovative, high-margin mining company in British Columbia’s Cariboo mini...

26-Sep-2017

Brent Hilscher, Preetham Nayak, Leo Lorio, Nawoong Yoon 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Mining has been a staple to technological advancement ever since the dawn of time. By harnessing the different physical and chemical properties...

26-Sep-2017

Henry Kurth 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Real time analysis of conveyed bulk materials can be used to improve process performance by reducing variability, and upgrading ore quality through selective removal of increments of flow that...

26-Sep-2017

Luke Balzan, Luke Balzan, Andrew Harris, Zoran Bauk 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Real-time, on-belt analysis of minerals is becoming increasingly important and critical in modern operations, especially in the mine-to-mill. Prompt gam...

26-Sep-2017

Arvin Mazhary, Huaizhe Li, Bern Klein 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Although sensor-based ore sorting has gained significant attention recently, sorting gold deposits still face a high level of skepticism by gold mining companies. In...

26-Sep-2017

Peter Coghill, Channel Tissot, Rhys Palmer 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Due to the low concentrations of gold, direct measurement of gold concentration in ore on-belt has not been seriously considered until now. Pre-concentratio...

26-Sep-2017

Shuji Owada, Sho Terada, Taiki Senga, Takao Namihira 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Electrical disintegration (ED) is well known as a good comminution method to improve liberation of componential elements, because electron avalanche co...

26-Sep-2017

Bern Klein, Baker Giyani, David Rahal 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Stirred media mills have proved to be more energy-efficient than the conventional ball milling for fine grinding applications. The mill performance is governed b...

26-Sep-2017

Ryo Kawarabuki, Masato Kosugi, J.V. Satur, K. Mitsuhashi, M. Kawata, Yoshiaki Kon, B. Calabia, T. Takagi, G. Dodbiba, Kengo Horiuchi, Chiharu Tokoro, Yusuke Iwazaki, and Toyohisa Fujita 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract The liberation of...

26-Sep-2017

M Bunyard and I Mullany 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract The pressures on mine operators are varied and constantly increasing: declining ore grades, more remote locations, and increasing environmental concerns. The challenge facing the m...

26-Sep-2017

Robert E Mclvor Mining Engineering, 2014, Vol. 66, No. 9, pp. 67-71. Official publication of the Society for Mining, Metallurgy & Exploration Inc. ABSTRACT Classification system efficiency (CSE) is a simple metric that can be used to measure and increase ball milling circuit efficiency. It is...

26-Aug-2017

Dry processing of magnetic iron ores – addressing cost and environmental issues W Skinner (1) and J R Kelly (2) AusIMM Iron Ore 2017 Conference, Perth, Australia, 24-26 July 2017. Paper Number: 86 ABSTRACT The Iron ore industry has reached the end of an unprecedented period of ex...

26-Aug-2017

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

The Energy Saving Technology of Beneficiation of Iron Ore V V KARMAZIN, M A BIKBOV AND A A BIKBOV MAGNETIC AND ELECTRICAL SEPARATION, VOL 11 (4), PP 211-224 ABSTRACT The qualitative and quantitative evaluation of liberation of economic minerals and thelevel of contamination of the process produc...

25-Aug-2017

G R BALLANTYNE, A MAINZA AND M S POWELL PRESENTED AT WORLD GOLD CONFERENCE 2015, JOHANNESBURG, SOUTH AFRICA, 29 SEP – 1 OCT, 2015 ABSTRACT The mining industry has acknowledged the need for an effective method and platform to benchmark comminution energy intensity and motivate action to impr...

18-Jul-2017

W VALERY (1), K DUFFY (1), P HOLTHAM (2), A REPLE (3), P WALKER (4), P ROSARIO (1) PRESENTED AT IMPC 2016: XXVIII INTERNATIONAL MINERAL PROCESSING CONGRESS, AT QUEBEC CITY, CANADA ABSTRACT The mining industry is facing declining feed grades which require the mining and processing of larger volume...

18-Jul-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

G S ANDERSON1 AND N W MCDONALD2 13TH AUSIMM MILL OPERATORS’ CONFERENCE, PERTH, WA, 10-12 OCTOBER 2016. ABSTRACT The IsaMill™ was originally developed to address liberation issues at Mount Isa Mines (now Glencore) operations, McArthur River and Mount Isa in the early 1990s. Follow...

18-Jul-2017

C G KELSEY AND J R KELLY (1) PRESENTED AT IMPC 2016: XXVIII INTERNATIONAL MINERAL PROCESSING CONGRESS PROCEEDINGS, SEPTEMBER 11-15, QUEBEC CITY, CANADA ABSTRACT Dry crushing trials at pilot scale have shown that the IMPTEC Super-fine Crusher has the capacity to generate ultra-fine products from h...

18-Jul-2017

C CARRASCO1 2, L KEENEY 1 2, T J NAPIER-MUNN2, P BODE1  PRESENTED AT COMMINUTION ’16, MINERALS ENGINEERING INTERNATIONAL, PUBLISHED IN MINERALS ENGINEERING VOLUMES 103-104, BARRY WILLS (ED), APRIL 2017. ABSTRACT Grade Engineering® comprises a range of techniques aiming to reje...

18-Jul-2017

Investigating the Potential of HydroFloat (TM) Coarse Particle Flotation Techniques on Copper Sulphide Ores P J Mehrfert 49th Annual Canadian Minerals Processors Conference Proceedings, Ottawa, Canada, 2017.   ABSTRACT Recovery of mineralized coarse particles is notoriously low in conventiona...

27-May-2017

Bridging the gap: Understanding the economic impact of ore sorting on a mineral processing circuit J Lessard (1), W Sweetser (1), K Bartram (2), J Figueroa (1) and L McHugh (1)   ABSTRACT Automated, continuous ore sorting is a mature technology that has only been used to a limited extent...

26-May-2017

Significance of Exposed Grain Surface Area in Coarse Particle Flotation of Low-Grade Gold Ore with the Hydrofloat ™ Technology J D Miller (1), C L Lin (1), Y Wang (1), M Mankosa (2), J Kohmuench (2) and G Luttrell (3) IMPC 2016: XXVIII International Mineral Processing Congress Proceedings, Septemb...

26-May-2017