Pyle, Valery, Holtham, Duffy Published in Proceedings of the IMPC2020 Congress, SAIMM ABSTRACT A conceptual scoping study was conducted to investigate pre-concentration options for upgrading ore from an Ag-Pb-Zn deposit. The low grade of the ore would result in only modest economic returns, given...

30-Mar-2021

W. Valery, K Duffy, R. Valle, R. Hayashida, A. Jankovic, P. Holtham, E. Tabosa, B. Andrade Procemin GEOMET 2019 ABSTRACT In late 2017, Hatch was engaged to conduct a Mine to Process Optimization project for a large iron ore operation. The operation consists of three iron ore mines feeding seven...

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

*S. ESEN1, M. DANIEL1, B. DZHALOLOV2, B. BACHRAMOV2, J. GERONIMO2, & A. KALMATAYEV2  1Esen Mining Consulting Pty LtdSydney, Australia2JSC AK AltynalmasAlmaty, Kazakhstan (*Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.) SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT J...

06-Jan-2020

S Nadolski, R Haycock, K Li, S Seiler, A Kumar SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT A comprehensive energy study was carried out for the Red Chris mill, which processes copper-gold ore at a rate of 30,000 tonnes per day (t/d) and is located in Northern British Columbi...

06-Jan-2020

GREG LANE1, SIMON HILLE2, JOE PEASE3, & MATT PYLE4 1Ausenco, 2Newmont Goldcorp, 3Mineralis, 4Ausenco SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT A comprehensive energy study was carried out for the Red Chris mill, which processes copper-gold ore at a rate of 30,000 tonn...

06-Jan-2020

F.P. VAN DER MEER1, R. FERNANDEZ2 1. F.P.van der Meer, Weir Minerals Plc, Minerals Processing and HPGR Technology, Egtenrayseweg 9, 5928 PH VenloThe Netherlands, T: +31 (0)77 3272955, E: This email address is being protected from spambots. You need JavaScript enabled to view it., W: www.weirminerals.com 2. R. Fernandez, Weir Minerals Sud-America, Manager Comm...

06-Jan-2020

E BAAWUAH1, C KELSEY2, J ADDAI-MENSAH3 AND W SKINNER4 1. PhD student, Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095. Email: This email address is being protected from spambots. You need JavaScript enabled to view it.. FAusIMM, Technical Director, IMP Technologies P/L, 83A Proctor Rd, Hope Forest, SA 5172. Email: chri...

16-Dec-2019

Hamid Manouchehri Comminution '18, April 16-19, Cape Town, South Africa ABSTRACT As an energy intensive industry, mining consumes about 6-7% of total world’s energy to produce raw materials for subsequent industries. Grinding, however, is the most energy intensive process in mining which is respo...

25-Jul-2019

W. Conger, J.F. DuPont, R.E. McIvor, T.P. WeldumW. Conger, J.F. DuPont, R.E. McIvor, T.P. Weldum Mining Engineering, November 2018, pp. 28-37 The objective of the study conducted by the authors is to determine what media size(s) addition will maximize any given plant ball mill’s grinding efficienc...

16-Jan-2019

E Baawuah, C Kelsey, J R Kelly, J Addai-Mensah and W Skinner 14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia ABSTRACT Comminution continues to be the most capital-intensive unit operation in mineral processing. The fundamental purpose of comminution is to libera...

20-Dec-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

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

The Effect of Choke Feeding a Gyratory Crusher on Throughput and Product Size J -F Dupont (1), J McMullen (1) and D Rose (2) 49th Annual Canadian Minerals Processors Conference, Ottawa, Canada, 2017   ABSTRACT The Detour Lake mine is located 200 km northeast of Timmins, Ontario, Canada...

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

Abstract In the dry grinding industry the demand for very fine particle size distributions is increasing rapidly. At the same time a growing awareness for an economical management of our planet's resources has raised the demand for energy efficient processes. Roller mills in general and specific...

12-Feb-2016

Abstract Declining ore grade, leading to increased material transport and plant throughout requirements, is one of the major challenges in the current mining environment. This is accompanied by rising energy and labour costs, decreasing plant productivity and the requirement for highest plant avail...

20-Jan-2016

ABSTRACT Mining consumes approximately 7% of the world’s energy from which almost half goes for comminution. Since the crushers are more energy efficient than mills, it is logic to push down-sizing in crushing stage(s) as far as possible. That has been Sandvik’s strategy in supplying crushers, in...

25-Nov-2015

ABSTRACT The inherent conservatism of the mining industry is well understood, but the current hurdles encountered with financing new projects have complicated instances when new technologies such as high pressure grinding rolls (HPGR) are considered, especially if it translates into higher capita...

25-Nov-2015

XXII International Mineral Processing Congress, Cape Town, South Africa The introduction and subsequent ascendancy of autogenous and semi-autogenous milling for comminution circuits has undoubtedly lead to many economic advantages. From a process viewpoint, however, at least one downside has been...

23-Aug-2003