HPGR

HPGR

CEEC sponsors and supporters joined CEEC’s Board to hear CEEC Chair Elizabeth Lewis-Gray interview Mark Morcombe SVP, AngloGold Ashanti about the challenges and opportunities for energy efficiency in comminution at AGA’s Obuasi mine. Located in Ghana, the mine has been operating since 1897, and was...
08-Jan-2014
The Global Comminution Collaborative (GCC) led by The University of Queensland (UQ) welcomed its sixth member university  in October 2013. Technische Universität Braunschweig (TUBS), Germany, brings expertise in ultra-fine grinding and modelling, and fine particle strength, sizing and analysis to...
06-Jan-2014
The 46th Annual Canadian Mineral Processors Conference will be held in Ottawa at the Westin Hotel January 21 to 23, 2014 in the Confederation Ballrooms (4th Floor). The conference will feature presentations on various aspects of mineral processing including grinding, flotation, new technologies, lea...
02-Jan-2014
The 9th International Comminution Symposium (Comminution ‘14), organised by MEI in consultation with Prof Malcolm Powell (JKMRC) and Dr Aubrey Mainza (Centre for Minerals Research, UCT), is on track to be the biggest event in the series. With 4 months still to go before the start of the event in Cap...
30-Dec-2013
For the first time, the global mining industry has a Hall of Fame (www.im-halloffame.com) focussed on recognising the technology innovators and developers that are so important to our future advancement. Members of the International Mining Technology Hall of Fame college of voters from around the wo...
28-Dec-2013
Orica distributed this flyer at a recent Mining industry dinner. Watch this space for more details on efficiency gains from Orica's blasting products in early 2014.
25-Dec-2013
Published earlier this year, this report profiles the work at Chalmers University in Sweden. ​"At least ten percent of the electricity produced in South Africa is used to crush and grind rock. This statistic is but one metric of the importance of the mining industry to the country's economy. Here...
23-Dec-2013
Today CEEC International Ltd launched a video addressing the key issues related to comminution: why comminution deserves the attention of senior executives, the potential financial upside and ways in which alternative comminution strategies can alleviate issues such as rising energy prices, lower or...
13-Dec-2013
CEEC's Board sends its hearty congratulations to fellow director Maryse Belanger on her recognition by the Women in Mining UK   “WIM (UK)” 100 Global Inspirational Women in Mining Project as one the the most inspirational Global Women in Mining. Maryse is passionate about innovation in the mining in...
11-Dec-2013
A big thanks to the Aspermont team for arranging the outstanding Mines and Money meeting, London 2013. CEEC Director Michael Battersby represented CEEC at this event and reported the following: ".....there seemed to be a very positive outlook from everyone there.  I received excellent feedback from...
10-Dec-2013
Comminution '14 Vineyard Hotel, Cape Town, South Africa April 7-10, 2014 www.min-eng.com/comminution14/ The 9th International Comminution Symposium (Comminution '14) is organised by MEI in consultation with Prof Malcolm Powell and Dr. Aubrey Mainza and is sponsored by TOMS, Starkey & Assoc...
03-Dec-2013
Comminution '14 Vineyard Hotel, Cape Town, South Africa April 7-10, 2014 www.min-eng.com/comminution14/ The 9th International Comminution Symposium (Comminution '14) is organised by MEI in consultation with Prof Malcolm Powell and Dr. Aubrey Mainza and is sponsored by TOMS, Starkey & Assoc...
02-Dec-2013
Ausgrind is Ausenco’s in-house program used for power-based comminution calculations. Proprietary calculations have been developed and reconciled with unit process operation and benchmarked with plant performance. Ore breakage data from characterization and variability testwork, equipment geometr...
28-Nov-2013
The norm for new sAG milling plant start-ups has, until now been accepted by industry as taking from 6 to 12 months to achieve full production. By accepting this as normal, large projects suffer massive revenue shortfalls, in the order of ¼ to ½ a billion dollars during the first year because of ina...
28-Nov-2013
SAG mill power draw models are used in mill design and grinding circuit modeling to predict how much power will be consumed by a particular mill geometry and operating configuration. This paper will compare sAG mill models by Morrell, Loveday (using ‘Power Numbers’ published by Barratt) and Austin a...
28-Nov-2013
High Pressure Grinding Roll (HPGr) technology has been accepted as an energy efficient alternative to conventional comminution circuits in the mining industry. There are, however, aspects of this technology that can be improved to enhance efficiency. Edge effect is a common problem associated with H...
28-Nov-2013
ABSTRACT The concern regarding grinding media consumption rates is as old as the invention of the tumbling mill. Over the years many materials and grinding media shapes have been tested. Through all this, steel grinding balls have proved to be the most effective media for comminution in tumbling...
28-Nov-2013
Abstract. In particle bed comminution energy is dissipated by several microprocesses which accompany the flow of particles, their compaction, and breakage. It is unknown which amount of energy is consumed by which microprocess and what the ratios are between the energies dissipated by the single mic...
27-Nov-2013
Abstract. The need to reduce energy consumption and to  achieve improved product quality has seen major shifts from the usual conservative approach in circuit design to more modern comminution circuits. Although comminution circuits have been advancing classification has remained a key component...
27-Nov-2013
Ian Smith, Managing Director and CEO, CEEC Sposnor Orica Ltd addressed 500 guests at Melbourne Celebrates Mining dinner on 30 October 2013 on the theme of innovation excerpts from Smith's speech follow: "Innovation is the application of better solutions that meet new requirements or existing mark...
19-Nov-2013
The November 2013 issue of Materials World, the member magazine of the Institute of Materials, Minerals and Mining. has a key feature on eco-efficent comminution. Journalist Guy Richards quotes global industry leaders in his profile of Eco-efficient comminution. Crushing victories - comminution...
19-Nov-2013
[caption id="attachment_2580" align="aligncenter" width="700"] L-R: Owen Hegarty, CEEC Patron; Sandy Gray Gekko Systems and Joe Cucuzza AMIRA prepare to address the delegates at Mines and Money Melbourne 2013.[/caption] CEEC Patron Owen Hegarty, AMIRA's Joe Cucuzza and Gekko Systems's Sandy Gray...
02-Nov-2013
[caption id="attachment_2384" align="aligncenter" width="700"] The CEEC Medal[/caption]   [caption id="attachment_2373" align="aligncenter" width="700"] Winning Authors: L-R Klein, Wang Nadolski, Drozdiak (NB O Mejia absent)[/caption] [caption id="attachment_2381" align="aligncenter" w...
31-Oct-2013
CIM's October 2013 Magazine published an excellent feature addressing comminution. The report quotes operators, service providers and equipment manufacturers as well as CEEC Director Joe Pease (CEO Xstrata Technology).   [caption id="attachment_1281" align="alignleft" width="247"] CEEC Di...
25-Oct-2013
Download details here: CallforNominationsCEECBoard   Nomination & Expression of Interest – CEEC Board Please be advised that the Annual General Meeting for CEEC International Ltd (CEEC) will be held on Thursday, 21st November, 2013, at 5.00 p.m. (AEDT). In accordance with the Cons...
24-Oct-2013
The 2013  CEEC Medal presentation on October 11th drew many  from North America: here are pictures some of our guests. [caption id="attachment_2466" align="aligncenter" width="700"] Sandy Gray from Gekko Systems chatting with Andy Maclean and Gavin Ritson (Hatch)[/caption]   [caption i...
22-Oct-2013
The 2013 CEEC Medallists were recognised at a " by invitation only"  industry event hosted by Ausenco at their Vancouver offices. Ed Meka, Ausenco's President, Minerals and Metals, Americas welcomed the assembled guests, before introducing  CEEC Chair, Elizabeth Lewis-Gray  who gave an overview of C...
22-Oct-2013
Attending Procemin 2013? Make sure you register for the course being run by  Alex Doll, Comminution Consultant, Canada, and Peter Amelunxen, Aminpro Chile. The course is for engineers with intermediate or advanced understanding of grinding circuits: EPCM engineers who will be designing and...
08-Oct-2013
[caption id="attachment_2293" align="alignleft" width="300"] Kyle Bartholomew Metcom Technologies; Mike Daniel CMD Consulting; Bill Johnson,[/caption]   [caption id="attachment_2278" align="alignright" width="300"] Lt: Tom Hunter Outotec Rt Sandy Gray Gekko Systems[/caption] [capti...
08-Oct-2013
[caption id="attachment_2320" align="alignleft" width="300"] Elizabeth Lewis-Gray Gekko and Wayne McFaull Newmont meet special guest Mark Morcombe AngloGold Ashanti[/caption] [caption id="attachment_2317" align="alignright" width="300"] CEEC Directors: Mike Daniel, Sarah Boucaut (EO) Mike Batters...
04-Oct-2013
International Mining Hall of Fame nominations have now closed: details will be published in the November 2013 issue of International Mining.  CEEC's founding Chair Elizabeth Lewis-Gray and co-director Joe Pease are nominated in the Comminution section, along with CEEC sponsor RME's John Russell. "C...
01-Oct-2013
[caption id="attachment_2236" align="aligncenter" width="700"] CEEC Director Dr Mike Daniel (Rt) and CEEC Advocate Levi Guzman (Lt) meet with colleagues in Peru in August 2013[/caption] Founding CEEC Director Dr Mike Daniel met one of CEEC's South American advocates Levi Guzman recently while in...
24-Sep-2013
The IMPC 2014 is expected to gather over 1,000 professionals and academics from the mining industry representing approximately 60 countries. Top universities specialising in mineral processing,all major mining companies, plus the leading providers in the world of services and technologies will att...
10-Sep-2013
12 case studies show sustained improvement of 15% - 48% throughput over last 10 years at sites including Mt Rawdon, Henty, Kambalda, Sepon Gold and more, reports Orway Mineral Consultants. Table 1 below is taken from Orway Mineral Consultants (WA) Pty Ltd white paper recently published. It provid...
10-Sep-2013
Powerful x-rays can now be used to rapidly and accurately detect gold in ore samples, thanks to a new technique developed by CSIRO – a move that could save Australia’s minerals industry hundreds of millions of dollars each year. Working with Canadian company Mevex, CSIRO has conducted a pilot stu...
05-Sep-2013
Review OSIsoft’s library of user case studies which includes issues related to energy monitoring and management. One such example is the paper on Smart monitoring of cement plants for energy efficiency.
28-Aug-2013
The problem of setting the proper controls and/or having several objectives to be met in the implementation of grinding control strategies can be resolved. The design and implementation of a distributed control system for safe operation of a grinding circuit while maximising profit is presented. An...
28-Aug-2013