Power Consumption In Copper Ore Milling

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power consumption in copper ore milling

Effect of low grade copper ore on process control and costing at Mosaboni...1.26 Мб The power consumption per ton of ore milled remained more or less within reasonable limit.But to produce 9,043 tonnes of copper in 1982-83, the milling has increased to 8,15,819 tonnes with head value of 1.160 % Cu. and concentrate grade of 22.436% Cu.

power consumption in copper ore milling 」

Modelling SAG milling power and specific energy . Chilean copper concentration plants, all of them treating copper sulphide ores, are used in this work.related to the ore retained in the mill by the solid concentrationPc = SAG mill power consumption kW; % 600 +100 = % of the fresh feed in the size range 152 +25 mm.

Energy Efficiency & Copper Hydrometallurgy

Energy Consumption For Copper Extraction Process Route Total Energy Consumption2 (kJ/lb) % Reduction Crush, heap leach, SX, EW (Base case) - with alternative anodes - with ferrous/ferric reaction 15,449 14,966 13,835 -3.2% 10.5% SAG mill, ball mill, float, smelt, refine (Base case) HPGR, ball mill, float, smelt, refine

Chapter 7 Energy Use in the Copper Industry

also use diesel fuel for surface hauling of ore to the mill. Approximately 155 pounds of explosives are used for every short ton of copper produced in underground mines.s The average grade of the ore mined, the ratio of overlying dirt and rock (overburden) to the ore body (stripping ratio), and the depth of the pit 5Gaines, supra note 3.

Modelling SAG milling power and specific energy ...

Jan 01, 2015· In Fig. 3, Fig. 4 the data is presented in order to show the effect of the fresh feed size, particularly the % −6″ +1″ (−152 +25 mm), on the SAG mill power consumption (Pc) in kW and on the SAG mill specific energy consumption (Ecs) in kW h/t, obtained by dividing the power consumed (kW) by the fresh feed rate (t/h).

Energy efficiency • Energy intensity in copper and gold ...

Oct 01, 2017· For many years the copper ore grades have been declining as exploitation of the higher-grade deposits progresses. On a worldwide scale, the mined ores contain an average of less than 1.0 % Cu (Fig. 5). In Chile, the copper grade of the ores is significantly lower than even that. In 2015, the average copper grade in the ores was only 0.65 %.

DETERMINATION OF POWER CONSUMPTION IN MILLING

Determination of power consumption in milling 213 where ap - depth of cut [mm], ae – width of cut [mm], vf – feed speed [mm/min ] and kc specific cutting force [N/mm 2] 3.2. The experimental power with the moments’ involvement Taking in consideration the results obtained at the University of Bordeaux ...

Mineral Processing Operating Cost Estimate of Ore Treatment

Estimates of Electricity Requirements for the Recovery of Mineral Commodities, with Examples Applied to Sub-Saharan Africa . Open-File Report 2011–1253

Common & Basic Formulas for Mineral Processing Calculations

Mar 20, 2016· where R represents the ratio: % Pb in crude ore/% Cu in crude ore Formula (32) is very convenient for milling calculations on ores of this type. Example: An ore contains 5% lead and 1% copper. The ratio of perfect concentration for a concentrate of maximum grade and 100% recoveries of lead and copper would be:

Chapter 7 Energy Use in the Copper Industry

also use diesel fuel for surface hauling of ore to the mill. Approximately 155 pounds of explosives are used for every short ton of copper produced in underground mines.s The average grade of the ore mined, the ratio of overlying dirt and rock (overburden) to the ore body (stripping ratio), and the depth of the pit 5Gaines, supra note 3.

Modelling SAG Milling Power and Specific Energy …

Chilean copper concentration plants, all of them treating copper sulphide ores, are used in this work. ... related to the ore retained in the mill by the solid concentration ... Pc = SAG mill power consumption (kW); % 600 +100 = % of the fresh feed in the size range 152 +25 mm.

Energy efficiency • Energy intensity in copper and gold ...

For many years the copper ore grades have been declining as exploitation of the higher-grade deposits progresses. On a worldwide scale, the mined ores contain an average of less than 1.0 % Cu (Fig. 5). In Chile, the copper grade of the ores is significantly lower than even that. In 2015, the average copper grade in the ores was only 0.65 %.

power consumption of copper ore processing plant

Power Consumption Of Copper Ore Processing Plant. Power Consumption Of Copper Ore Processing Plant 2011-2-1production and consumption of copper in the united states, water use in the copper industry in arizona and texas, 195188 2nit use of water in the mining of copper ore, 1955 190 3reviously published data showing unit use of water in the con water requirements of the copper …

Modelling SAG milling power and specific energy ...

Jan 01, 2015· In Fig. 3, Fig. 4 the data is presented in order to show the effect of the fresh feed size, particularly the % −6″ +1″ (−152 +25 mm), on the SAG mill power consumption (Pc) in kW and on the SAG mill specific energy consumption (Ecs) in kW h/t, obtained by dividing the power consumed (kW) by the fresh feed rate (t/h).

Mineral Processing Operating Cost Estimate of Ore Treatment

Sep 01, 2016· The power consumption for straight single-product flotation plants varies, according to A. M. Gaudin, from 12 to 20 kw.-hr. per ton, depending on the fineness to which the ore is ground. The average percentage power costs for the various.departments of seven United States producers is …

The Ore Grade and Depth Influence on Copper Energy Inputs ...

Nov 22, 2016· where \(E\) is the processing (by extraction and milling/flotation or leaching) energy usage in MJ per kg of copper concentrate at 30%+ purity or copper in pregnant leach solution. The fixed energy cost parameter \(\beta\) is divided by an ore grade variable \(G\) in percentage of copper per mass of ore extracted, so as to capture changes in energy costs.

Improvement to milling process reduces consumption of ...

Jun 19, 2015· In Pará, the Sossego Mine team has carried out a project to improve the copper milling process, reducing the number of balls used to process the product at the plant by 25%. This measure has cut the consumption of raw materials and resulted in a 5% reduction in power use in operating the mill, generating an annual saving of R$3.9 million for ...

Common & Basic Formulas for Mineral Processing Calculations

Mar 20, 2016· where R represents the ratio: % Pb in crude ore/% Cu in crude ore Formula (32) is very convenient for milling calculations on ores of this type. Example: An ore contains 5% lead and 1% copper. The ratio of perfect concentration for a concentrate of maximum grade and 100% recoveries of lead and copper would be:

Economic of Copper Processing - SlideShare

Jun 23, 2013· Effective costs of Copper Processing Example of porphyry copper mine processing costs Assuming a freight cost of £ 20/ton of concentrate, The total deduction are £ (0.61 + 0.56 + 0.41) = £ 1.58 The NSR per tonne of ore treated is thus As mining, milling, and other costs must be deducted from thisfigure, it is apparent that this mine with ...

Power Consumption Of Copper Ore Processing Plant

Power Consumption Of Copper Ore Processing Plant. Ore Benefication plant factory low power consumption 1500 Ore Benefication plant factory low power consumption 15005700 steel ball mill for grinding copper ore and coal mill sizeUS 8500 75000 Set New Ball Mill. Read More. Power Consumption Of Copper Ore Processing Plant

Energy Consumption in Mining Comminution - ScienceDirect

Jan 01, 2016· Ore is sometimes segregated in muck piles (piles of ore) and silos where the ore it is collected before being transferred to the grinding process Refined product throughput is decided by the power available. Energy consumption is described by kWh/tonne with mill efficiency is described by kW/m3 and material throughput described as t/h (tones/hour).

Copper extraction - Wikipedia

Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.. As in all mining operations, the ore must usually be beneficiated (concentrated).

A mine-to-mill economic analysis model and spectral ...

N2 - An economic analysis model is proposed for estimating the cost savings incurred in all operations, from blasting to milling, in a copper mine using spectral imaging-based tracking. A conventional mid-sized copper mine in Arizona with two ore types is used as a case study.

Modelling SAG Milling Power and Specific Energy …

Chilean copper concentration plants, all of them treating copper sulphide ores, are used in this work. ... related to the ore retained in the mill by the solid concentration ... Pc = SAG mill power consumption (kW); % 600 +100 = % of the fresh feed in the size range 152 +25 mm.

Modelling SAG milling power and specific energy ...

Jan 01, 2015· In Fig. 3, Fig. 4 the data is presented in order to show the effect of the fresh feed size, particularly the % −6″ +1″ (−152 +25 mm), on the SAG mill power consumption (Pc) in kW and on the SAG mill specific energy consumption (Ecs) in kW h/t, obtained by dividing the power consumed (kW) by the fresh feed rate (t/h).

power consumption of copper ore processing plant

Power Consumption Of Copper Ore Processing Plant. Power Consumption Of Copper Ore Processing Plant 2011-2-1production and consumption of copper in the united states, water use in the copper industry in arizona and texas, 195188 2nit use of water in the mining of copper ore, 1955 190 3reviously published data showing unit use of water in the con water requirements of the copper …

Improvement to milling process reduces consumption of ...

Jun 19, 2015· In Pará, the Sossego Mine team has carried out a project to improve the copper milling process, reducing the number of balls used to process the product at the plant by 25%. This measure has cut the consumption of raw materials and resulted in a 5% reduction in power use in operating the mill, generating an annual saving of R$3.9 million for ...

The Ore Grade and Depth Influence on Copper Energy Inputs ...

Nov 22, 2016· where \(E\) is the processing (by extraction and milling/flotation or leaching) energy usage in MJ per kg of copper concentrate at 30%+ purity or copper in pregnant leach solution. The fixed energy cost parameter \(\beta\) is divided by an ore grade variable \(G\) in percentage of copper per mass of ore extracted, so as to capture changes in energy costs.

Energy Consumption in Mining Comminution - ScienceDirect

Jan 01, 2016· Ore is sometimes segregated in muck piles (piles of ore) and silos where the ore it is collected before being transferred to the grinding process Refined product throughput is decided by the power available. Energy consumption is described by kWh/tonne with mill efficiency is described by kW/m3 and material throughput described as t/h (tones/hour).

Power Consumption Of Copper Ore Processing Plant

Power Consumption Of Copper Ore Processing Plant. Ore Benefication plant factory low power consumption 1500 Ore Benefication plant factory low power consumption 15005700 steel ball mill for grinding copper ore and coal mill sizeUS 8500 75000 Set New Ball Mill. Read More. Power Consumption Of Copper Ore Processing Plant

Journal of Mining and Metallurgy, 52 A (1) (2016) 11 - 25 ...

a VRM compared to an existing rod mill/ball mill circuit when processing copper ore. Ito et al. [12] report that at industrial scale, the roller mill consumes at least 20% less specific energy compared to the roll press & tube mill or only tube mill circuits operating in the same plant. Based on pilot tests and

Common & Basic Formulas for Mineral Processing Calculations

Mar 20, 2016· where R represents the ratio: % Pb in crude ore/% Cu in crude ore Formula (32) is very convenient for milling calculations on ores of this type. Example: An ore contains 5% lead and 1% copper. The ratio of perfect concentration for a concentrate of maximum grade and 100% recoveries of lead and copper would be:

Economic of Copper Processing - SlideShare

Jun 23, 2013· Effective costs of Copper Processing Example of porphyry copper mine processing costs Assuming a freight cost of £ 20/ton of concentrate, The total deduction are £ (0.61 + 0.56 + 0.41) = £ 1.58 The NSR per tonne of ore treated is thus As mining, milling, and other costs must be deducted from thisfigure, it is apparent that this mine with ...

A mine-to-mill economic analysis model and spectral ...

N2 - An economic analysis model is proposed for estimating the cost savings incurred in all operations, from blasting to milling, in a copper mine using spectral imaging-based tracking. A conventional mid-sized copper mine in Arizona with two ore types is used as a case study.

WO2009077940A1 - A method of grinding a mineral-containing ...

A method of grinding a mineral-containing ore, which includes grinding the mineral-containing ore in a primary milling process and thereafter fine grinding the mineral-containing ore in a secondary ball-mill. A composite grinding medium comprising a mixture of steel balls and pebbles is used in the secondary ball-mill. The pebbles have an average size which is relatively smaller than the ...

Improving energy efficiency in comminution - MINING.COM

Oct 01, 2018· The trial demonstrated a 14.8 percent increase in mill throughput for the specific ore selected for the study, and an average increase of 5.7 percent for all ore types, with no additional ...

power consumption of copper ore processing plant - BINQ Mining

Nov 16, 2012· Granite Milling Machine And Copper Ore Crusher – Business – …. Nov 05, 2012 · High efficient and low power consumption; 2. …Granite Crusher Processing Plant …Copper ore feeder conveys copper ores into the first copper ore … »More detailed