comminution and sag mill and copper

comminution and sag mill and copper

Mount Carlton Comminution and SAG Mill - Orway

2017-7-19 · The Mount Carlton gold mine in Queensland’s North East, 150km from Townsville, sits on a high-sulphidation epithermal style deposit rich in gold, copper, and silver. Mt Carlton is an open pit mining operation with ore processed using a primary crusher, single stage SAG mill and flotation to produce a concentrate for sale.

INCREASING SAG MILL CAPACITY AT THE COPPER

2018-2-20 · The Copper Mountain comminution circuit originally consisted of a 34' x 20' F/F SAG mill (17,000 hp - 12,677 kW), two (2) 24' x 6" ball mills (17,000 hp 39' 12,677 kW) and a Raptor XL900 pebble crusher - (900 hp - 671 kW). The comminution circuit product (cyclone overflow) feeds the

MOUNT CARLTON COMMINUTION CIRCUIT DESIGN,

2014-10-1 · in gold, copper, and silver. Mt Carlton is an open pit mining operation with ore processed using a primary crusher, single stage SAG mill and flotation to produce a concentrate for sale. Orway Mineral Consultants (OMC) was involved in the original design of the comminution circuit and the project was commissioned in late 2012, with first ...

Laboratory SAG Mill Comminution Test - 911Metallurgist

2 天前 · A small laboratory SAG mill sized to your specifications for in-house Semi-Autogenous Grindability / Comminution testing. The design shown here

Comminution Circuit Design for the Constancia Project

2018-2-20 · mill work index 11.4 kWh/t and an average RQD of 44%. RQD values of 25% resulted in a SAG mill feed size (F80) between 55 and 60 mm and throughputs of 6200 t/h. RQD values of 55% resulted in SAG mill feed size (F80) of over 70 mm and a SAG mill throughput of 5200 t/h. The Batu Hijau SAG mill specific energy was a function of point load test and ...

Energy Consumption in Mining Comminution - ScienceDirect

2016-1-1 · Mills usually have motors in the following range: SAG mill motor: 7,435 kW or an HPGR circuit with motors: Ball mill 1 (4,015 kW) and Ball mill 2 (4,152 kW) for a porphyry copper- molybdenum mine. Comparing mill operations for both open pit mining to underground mining, where the metal is separated from rock ore containing the metal mined, both ...

The efficiency of copper ore comminution: A

2017-8-1 · This study analyzes the exergy efficiency of comminution using a laboratory sized dry ball mill and a copper mineral ore from central Chile. In this research, we develop a minimum work index from uniaxial compression tests results on the ore fitted to Morrell’s comminution energy equation using Hukki’s constant mineral parameter.

Chapter 6 Copper Production Technology

1996-11-20 · Chapter 6 Copper Production Technology The last boomin technological innovation for the copper industry occurred in the first two dec-ades of this century, whenopen pit mining, flo- tation concentration,and the reverberatory

(PDF) Comminution in mineral processing

2021-11-26 · Essentially, comminution is the key for mineral beneficiation where the aim is to form mineral. components into least energ y consuming elements in terms of thermal, physical or chemical ...

Copper Ore Crushing, Grinding & Flotation

2017-5-21 · Grinding and Flotation. Fine ore at minus 19mm (¾”) sizing is fed at a controlled rate into the open-circuit 2600mm x 3960mm (8’-6 x 13’-0) Hardinge rod mill at an average feed rate of 2,106 STPD or 87.75 STRH. Rod mill discharge at a nominal

Mount Carlton Comminution and SAG Mill - Orway

2017-7-19 · The Mount Carlton gold mine in Queensland’s North East, 150km from Townsville, sits on a high-sulphidation epithermal style deposit rich in gold, copper, and silver. Mt Carlton is an open pit mining operation with ore processed using a primary crusher, single stage SAG mill and flotation to produce a concentrate for sale.

Energy Consumption in Mining Comminution - ScienceDirect

2016-1-1 · Mills usually have motors in the following range: SAG mill motor: 7,435 kW or an HPGR circuit with motors: Ball mill 1 (4,015 kW) and Ball mill 2 (4,152 kW) for a porphyry copper- molybdenum mine. Comparing mill operations for both open pit mining to underground mining, where the metal is separated from rock ore containing the metal mined, both ...

Laboratory SAG Mill Comminution Test - 911Metallurgist

2 天前 · A small laboratory SAG mill sized to your specifications for in-house Semi-Autogenous Grindability / Comminution testing. The design shown here (customisable) is 12” x 4” with welded in 1” lifter bars. A typical Batch SAG Mill, 12” diameter X 4” long,

Optimizing Performance of SABC Comminution Circuit of

2017-5-13 · the SAG mill and ball mill was 8658 kW, which caused partial over-grinding. From experience in processing plants outside of China, the power rating of the ball mill should be higher than that of the SAG mill [5]. The pebble crusher had an over-powered configuration. The installed power draw of 630 kW

Mining comminution – crusher, ball mill, and advanced a...

Not surprisingly, comminution is a huge expense. After all, we’re crushing rocks here. Interestingly enough, the crushing isn’t always the most expensive part of crushing. Crushing machinery, particularly the SAG mill is massive, and much of the expense of

Comminution – Grinding Pulp Lifters | Ore 2 Metal

Expertise: Comminution – Debottleneck AG/SAG/Ball mills and provide solutions to operations that are mill-limited to not sacrifice the primary grind (and recovery), and save energy along with OPEX for operations that are mine-limited. Dr. Sanjeeva Latchireddi is the Managing Director of EEMS with over 25 years of experience.

(PDF) Design of the 40 foot diameter SAG mill installed at ...

Design of the 40 foot diameter SAG mill installed at the Cadia gold copper mine. September 2001. Conference: SAG2001 - International Conference on Autogenous and Semiautogenous Grinding Technology ...

Publications - SMC Testing

2021-11-18 · Dem Validation For A Scale Model SAG Mill The Modelling Of Autogenous And Semiautogenous Mills Design Of The 40 Foot SAG Mill Installed At The Cadia Gold Copper Mine The Prediction Of Power Draw In Comminution Machines Developments In AG/SAG Mill Modelling Tracking And Quatifying Value From Min To Mill Improvement Grinding Mills - How To ...

USING THE SMC TEST® TO PREDICT COMMINUTION

2020-3-24 · USING THE SMC TEST® TO PREDICT COMMINUTION CIRCUIT PERFORMANCE INTRODUCTION . As the SMC Test ® produces the JK parameter values A and b as well as estimates the JK parameter ta and crusher model energy matrices, the SMC Test ® can be used to conduct AG/SAG mill and crusher circuit simulations through the use of JKSimMet. Independent

Copper Ore Crushing, Grinding & Flotation

2017-5-21 · Grinding and Flotation. Fine ore at minus 19mm (¾”) sizing is fed at a controlled rate into the open-circuit 2600mm x 3960mm (8’-6 x 13’-0) Hardinge rod mill at an average feed rate of 2,106 STPD or 87.75 STRH. Rod mill discharge at a nominal

Mount Carlton Comminution and SAG Mill - Orway

2017-7-19 · The Mount Carlton gold mine in Queensland’s North East, 150km from Townsville, sits on a high-sulphidation epithermal style deposit rich in gold, copper, and silver. Mt Carlton is an open pit mining operation with ore processed using a primary crusher, single stage SAG mill and flotation to produce a concentrate for sale.

TECHNICAL DIRECTOR - Comminution Consultants,

2016-8-4 · specialist on SAG mill design and operation. Metallurgical study design, start-up, commissioning, and operating experience on facilities around the world. EMPLOYMENT 2000-2016 DJB Consultants, Inc., North Vancouver, B.C., Canada, President and Principal Consultant specializing in comminution studies, equipment selection, and operation.

COMMINUTION Comminution conundrum -

2020-10-10 · the Mirador copper-gold project in Ecuador. The LOI quotes an equipment package totalling over $27 million, which includes a crusher, SAG mill and ball mill. Signing of this critical LOI allows Corriente to stay on its path to complete construction of the Mirador project in late 2008 with commissioning by the end of the year. COMMINUTION

Mining comminution – crusher, ball mill, and advanced a...

Not surprisingly, comminution is a huge expense. After all, we’re crushing rocks here. Interestingly enough, the crushing isn’t always the most expensive part of crushing. Crushing machinery, particularly the SAG mill is massive, and much of the expense of

Comminution – Grinding Pulp Lifters | Ore 2 Metal

Expertise: Comminution – Debottleneck AG/SAG/Ball mills and provide solutions to operations that are mill-limited to not sacrifice the primary grind (and recovery), and save energy along with OPEX for operations that are mine-limited. Dr. Sanjeeva Latchireddi is the Managing Director of EEMS with over 25 years of experience.

(PDF) Design of the 40 foot diameter SAG mill installed at ...

Design of the 40 foot diameter SAG mill installed at the Cadia gold copper mine. September 2001. Conference: SAG2001 - International Conference on Autogenous and Semiautogenous Grinding Technology ...

Experimental evaluation of the conjugate anvil hammer

2019-6-15 · The inventor, Mr. Lawrence Nordell developed the concept of the CAHM as a by-product of studying SAG mills using DEM (Nordell and Potapov, 2015).It was noticed that 80% of the comminution occurs in a small area (referred to as the ‘sweet spot’), inside the SAG mill, where 10 times higher shear work is observed than in the other areas of the mill (see Fig. 1).

Anglo American / De Beers Group Comminution Specialist ...

The Comminution Specialist is responsible for providing specialist technical input on comminution circuits in our Southern African Platinum, Diamond and Iron Ore operations and projects. This scope includes AG, SAG and Ball mills, as well as fine grinding technologies, together with the associated crushers and classification equipment.

Power-based modelling of single-stage AG and SAG mill

The SGI equation uses a transfer size between a SAG and ball mill; it is proposed that a synthetic transfer size of 2100 µm be used to model single-stage SAG mills. 5.9ˇ √˙˝ ˛ . ˚ 0.96 0.985˜ !"# ˝ $ ˝ √˙˝ %&’() (2) where: SGI is the SAG Grindability Index, minutes, P80 is the SAG hydrocyclone overflow 80% passing size, µm

USING THE SMC TEST® TO PREDICT COMMINUTION

2020-3-24 · USING THE SMC TEST® TO PREDICT COMMINUTION CIRCUIT PERFORMANCE INTRODUCTION . As the SMC Test ® produces the JK parameter values A and b as well as estimates the JK parameter ta and crusher model energy matrices, the SMC Test ® can be used to conduct AG/SAG mill and crusher circuit simulations through the use of JKSimMet. Independent