The striking infographic released today by CEEC International Ltd (Coalition for Energy Efficient Comminution) illustrates the immense opportunity for mining companies to improve earnings by optimizing their crushing and grinding practices known as comminution. Proven ore processing alternatives...
13-Mar-2013
As reported by Omar Arafat, Project Metallurgist & Marketing Manager, Metcom Technologies Inc.
This year's SME Conference in Denver was a success- below are a few photos of some key people that stopped by to chat at the Metcom Technologies Inc booth. (Image definition limited by Iphone and th...
04-Mar-2013
CEEC’s Board of Directors welcomed two new members in late 2012. Joe Pease, Chief Executive of Xstrata Technology Ltd and Michael Battersby, Managing Director, Maelgwyn Mineral Services bring their global commercial experience and insight to the CEEC Board. Current board members include Elizabeth Le...
15-Feb-2013
For their outstanding achievements above latitude 60º North, Sandvik Mining and Atlas Copco have been presented with the first two 'Northern Lights' industry awards. These inaugural awards were announced last week during the RMG Exploration & Mining Investment Conference in Stockholm.
Sandvik...
13-Feb-2013
Towards Sustainable Mining (TSM) is an industry-wide, performance-based program that was developed to help mining companies evaluate and manage their environmental and social responsibilities. The program’s main objective is to enable mining companies to meet society’s needs for minerals, metals a...
13-Feb-2013
Mining Magazine 2012 published an article by CEEC Advocate Christian Ottergren of Sandvik Mining, explaining why the new Vibrocone crusher could be a game changer for mines looking to reduce their energy consumption and operating costs.
Vibrocone at MinExpo 2012
Download the article here: San...
13-Feb-2013
“Sustainability in the Global Mining Industry 2012-2013: Market Trends and Opportunities, Profitability and Budget Forecast, Mining Industry Procurement and Marketing Initiatives” is a report that analyzes what sustainability means to the global mining market and how it is being implemented.
Key...
04-Feb-2013
ABSTRACT
Horizontal grinding mills have been used in the mining industry for more than a century, and due to their operational and maintenance simplicity they remain a widely used technology for various stages of comminution. The relative ‘efficiency’ of horizontal grinding mills compared to othe...
25-Jan-2013
In the mining industry, almost 1/3 of operating costs are from energy. Copper Mountain Mining Corporation from BC, Canada, finds success being a low cost producer. They're part of an innovative industry collaboration to maintain and improve the sector's reputation as responsible developers of B.C.'...
16-Jan-2013
Workshop targets a paradigm shift in Comminution practices
CEEC International, in conjunction with JKTech Ltd, has drawn an “A” list of industry, supply and research practitioners to workshop and develop roadmaps to achieve a paradigm shift in the practice of mineral crushing and grinding...
08-Jan-2013
“Classification System Efficiency (CSE)” is a powerful, emerging tool that can be used to increase grinding circuit efficiency. It is defined as the percentage of the ball mill energy being used to grind target, oversize particles. The discovery, validation and current use of CSE, including how it w...
05-Jan-2013
The number of projects dealing with or considering dry processing increases due to factors such as:
- Low water availability in arid locations, such as the high Andes or Sahara desert
- Dry downstream processing or beneficiation with high fines requirement.
Dry processing can provide an alt...
05-Dec-2012
Last week Procemin 2012 was held in Santiago, Chile. There was a strong eco-efficient comminution theme, with a pre-conference workshop: Eco-Efficiency in Mining: Process Optimisation and Integration with a reduced Ecological Footprint. This workshop was presented by Joachim Vogdt, Environmental Eng...
04-Dec-2012
One of CEEC's advocates: Levi Guzman, of Moly-Cop, Adesur SA captured the action at Procemin 2012. Are you in the audience?
04-Dec-2012
This presentation aims to demonstrate that the mechanistic modeling approach can be used to predict media size effect when simulating ball mills.
01-Dec-2012
By Marta Samuel
CIM Magazine, Vol. 7 No. 7
Antamina boosts throughput for hard ores with support from Metso PTI.
This paper is provided with the generous support of the publisher.
06-Nov-2012
Over the past decade the growth and development of mining projects have increased dramatically, as have the requirements to design and develop grinding circuits, mainly in the field of SAG and ball mill circuits. There are several design methodologies available in the market or through the use of co...
05-Nov-2012
Much has been written about innovation and the need for “game-changing” step change. There is no doubt that there are many challenges facing the mining and minerals industry and hence it is appropriate that the industry examines the level of response required. “Step Change” should not be regarded as...
05-Nov-2012
Kyran Casteel, contributing editor, Mining World and Coal International examined the current status of crushing and grinding circuits and reviewed progress in the present century. He found a growing emphasis on the need for more efficient use of energy.
"Today accelerating progress is evident in...
21-Oct-2012
2013 CEEC Medal Applications now Open (586.08 kB)
Elizabeth Lewis-Gray, Chairman of CEEC (Coalition for Energy Efficient Comminution) today launched the 2013 CEEC Medal to recognise and celebrate the contribution of outstanding published papers, articles or case studies profiling beneficial stra...
17-Oct-2012
This presentation focuses on a method of calculating AG/SAG mill specific energies using only a combination of Bond Work indices and JK parameters then applying efficiency factors.
06-Oct-2012
Contact Sarah Boucaut
Phone +61 422 257 425
Email This email address is being protected from spambots. You need JavaScript enabled to view it.
Nick Holland Patron of CEEC (458.57 kB)
The Board of CEEC International Ltd (Coalition for Energy Efficient Comminution) is delighted to announce that Mr Nick Hollan...
25-Sep-2012
ABSTRACT The commonly used SAB, SABC and run-of-mine (ROM) ball mill circuits can achieve high throughputs with good operating stability. However, these circuits consume a substantial amount of grinding media, which can have a substantial impact on the OPEX and the ‘carbon footprint’, specifically w...
16-Sep-2012
ABSTRACT
In looking to the future of mineral processing the focus is typically on improved processing units. Basically it is a search for an elusive wonder machine that could revolutionise the economy of mining: the sorter that strips 50% of the ore with only a few % loss of value; the comminution...
16-Sep-2012
The economics of mining is at an inflection point.
For the last decade or so our focus has been on developing mines and bringing them into production.
Demand has outstripped supply, and commodity prices have reflected this. In this world, the winners have
been the ones who moved into production...
30-Aug-2012
2012 CEEC Workshop
In June 2012, CEEC International Ltd, in association with JKTech Ltd, ran a workshop to develop a roadmap for eco-efficient comminution. The workshop was attended by invited senior industry figures from Australia and overseas representing mining companies, engineering companies...
04-Aug-2012
High voltage breakage is a novel comminution method that relies on highly energetic electrical pulses to weaken or fully fragment materials. The potential of this technology to improve liberation and increase the grindability of ores has been demonstrated previously, but the fragmentation process is...
30-Jul-2012
Opening remarks at 2012 CEEC Workshop from Prof M Powell, UQ JKMRC
12-Jun-2012
A presentation given by G Lane Ausenco at the 2012 CEEC Workshop, reviewing comminution from the engineering company perspective.
11-Jun-2012
Contact: Sarah Boucaut
Phone: +61 422 257 425
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
The CEEC Board of Directors is delighted to announce the winner of the 2012 CEEC Medal. Following a thorough evaluation of the nominated papers, the selection committee shortlisted three outstanding papers....
07-Jun-2012
Workshop welcome from Prof Tim Napier-Munn, JKTech Pty Ltd
04-Jun-2012
Contact: Sarah Boucaut
Phone: +61 422 257 425
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
2012 CEEC JKTech Workshop (592.61 kB)
CEEC International, in conjunction with JKTech Ltd, has drawn an “A” list of industry, supply and research practitioner...
31-May-2012
Comminution accounts for approximately 30 to 40% of the energy consumed on an average mine site (DOE, 2007) and somewhere from 4 to 9% of Australia’s total energy consumption (Tromans, 2008). Additionally, if one includes the energy embodied in steel grinding consumables, this may increase comminuti...
28-May-2012
A review of recent concentrator start-ups has been done to examine the methods that were used to design the grinding circuits for these new plants and the results achieved. A number of these start-ups were reported at SAG 2011. Large differences between design tonnage and actual tonnage were reporte...
23-May-2012
ABSTRACT
Newcrest has a strong history of growth over the past 20 years, yielding value from previously marginal ore bodies. We have grown regionally in Asia Pacific through our operations in Australia, Indonesia and Papua New Guinea, and also established a beachhead in West Africa. The company has...
16-May-2012
This, the 8th International Comminution Symposium (Comminution '12) is organised by MEI in consultation with Prof Malcolm Powell and Dr. Aubrey Mainza. It is sponsored by Starkey & Associates, Magotteaux, Maelgwyn Mineral Services, JKTech, Chemco Advance Material, Industrie Bitossi, Xstrata Tech...
30-Apr-2012
Comminution Energy and How to Reduce it. A presentations by Prof Tim Napier-Munn JKMRC (UQ) and CEEC
A pdf of the full presentation can be found here - CEEC Presentation 120328 (2.47 MB)
30-Mar-2012
Abstract
“Classification System Efficiency (CSE)” is a simple, powerful concept which can be used to measure and improve ball mill circuit efficiency. This paper describes six plant case studies which demonstrate the use of CSE to diagnose and/or improve grinding circuit performance, with related i...
16-Feb-2012
The Julius Kruttschnitt semi-autogenous grinding (SAG) mill model was developed by Leung in the 1980s and extensively updated to the variable rates model by Morrell and Morrison in 1996. Since then only minor upgrades have been incorporated in the version distributed in the JKSimMet simulator. A num...
12-Feb-2012
The Johannesburg Branch of the SAIMM was privileged to host a presentation by Ms Elizabeth Lewis-Gray on the subject of the Coalition for Energy Efficient Comminution (CEEC), a not-for-profit organisation founded by Ms Lewis-Gray in collaboration with several academic luminaries in the field of part...
04-Feb-2012
Robert McIvor of Metcom Technologies was the 2012 recipient of the Art MacPherson Comminution Award. Presented at the 2012 Canadian Mineral Processing Society meeting in January, Rob was recognised for his numerous papers on topics of comminution and active participation in assisting with...
18-Jan-2012
In November 2011 JKTech Ltd and Gekko Systems Ltd sponsored a Workshop focused on Eco-efficient comminution at Procemin 2011. The workshop was presented by Ms Suzy Lynch-Watson, Principal Comminution specialist at JKTech Ltd, and Nr Nigel Grigg, Sales Manager, Gekko Systems South America.
Well a...
02-Dec-2011
The current mining operations at Newmont Boddington Gold Mine (NBG) commenced in 2008, and commissioning of the processing plant started in the latter half of 2009. Metso Process Technology and Innovation were engaged to assist NBG with commissioning and project ramp-up through the implementation of...
30-Nov-2011
Palabora Mining Copper has a unique ore body composition which unlike other copper ore bodies has three main components in significant proportions; these are copper bearing ore, magnetite and dolerite. The high content of dolerite, a hard barren material, creates a high proportion of pebbles which n...
28-Nov-2011
A research project was conducted at the University of British Columbia (UBC) resulting in the development and evaluation of a novel comminution circuit incorporating autogenous grinding and parallel trains of cone crushers and high-pressure grinding rolls (HPGR). A primary driver for the circuit was...
23-Nov-2011
Despite the claims of energy efficiency and the considerable development that has gone into dramatically extending rolls’ life and facilitating rolls’ change-out, in the six years since the last SAG conference, only a few HPGR operations have entered the realm of mineral processing. Risk barriers...
23-Nov-2011
Barrick Gold Corporation (Barrick) has undertaken innovative methods of evaluating and improving the performance of grinding mills in several of its operations around the world. The results have been positive with some of the mines showing more than 20% net energy improvement leading to more than 43...
22-Nov-2011
Over the past several years, the combination of higher energy and steel costs and the recent commercial deployment of high-pressure grinding rolls (HPGR) technology in hard rock mining have led many multinational mining companies to evaluate the suitability of HPGR technology for their particular co...
05-Nov-2011
The latest newsletter from the AusIMM MetSoc group has been published. It includes Calls for Papers for the 2013 MetPlant meeting, July 15-17 in Perth WA.
PS: Great cover page story! Thanks MetSoc!
04-Nov-2011
Even though most major operating companies in the minerals industry have Board-level endorsed sustainability principles and objectives, design engineers typically have no mechanism that allows them to implement those objectives in their work. In addition, the existing project management systems do n...
28-Oct-2011