Resources

Procemin 2013 In greenfield hard rock operations, High Pressure Grinding Roll technology is nowadays most often used in the tertiary crushing stage to prepare a ball mill feed. These installations, for instance Cerro Verde, Boddington, Mogalakwena, have been very successful over the past years....
28-Nov-2013
Procemin 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,...
28-Nov-2013
Procemin 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 ye...
28-Nov-2013
In greenfield hard rock operations, High Pressure Grinding Roll technology is nowadays most often used in the tertiary crushing stage to prepare a ball mill feed. These installations, for instance Cerro Verde, Boddington, Mogalakwena, have been very successful over the past years. However, HPGRs...
28-Nov-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
Procemin 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 Barr...
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
Procemin 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...
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
Procemin 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 comminu...
28-Nov-2013
ESCC 2013 Abstract The Institute of Mineral Processing at the Montanuniversitaet Leoben in cooperation with the company CEMTEC has developed a pilot scale, 200mm table diameter, vertical roller mill for energy controlled laboratory tests. The mill provides the technical options to vary process par...
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
ESCC 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...
27-Nov-2013
ESCC 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 ke...
27-Nov-2013
Abstract.   The Institute of Mineral Processing at the Montanuniversitaet Leoben in cooperation with the company CEMTEC has developed a pilot scale, 200mm table diameter, vertical roller mill for energy controlled laboratory tests. The mill provides the technical options to vary process parameters l...
27-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
2014 CEEC Medal Applications Now Open Elizabeth Lewis-Gray, Chairman of CEEC (Coalition for Energy Efficient Comminution) International Ltd today announced the opening of applications for the 2014 CEEC Medal. The CEEC Medal recognises and celebrates the contribution of outstanding published papers,...
14-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
Abstract Mine-to-mill studies have previously demonstrated downstream productivity benefits from relatively modest increases in blast energy, or powder factor. These increases have up to now been limited by safety and environmental constraints, since excessive blast energy can result in flyrock,...
28-Sep-2013