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regrinding flowsheet morenci mines

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    The decrease in water usage by mines is better illustrated by exploring the data from specific mines The Morenci Mine was the second largest open pit copper mine in North America in 2009 and one of the largest in the world The property covers nearly 60 000 acres and includes five pits of which three are currently in operation.

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    NORTH AMERICA SIERRITA Description Morenci is an open pit copper mining complex Did you know We have expanded our mining and milling capacity at Morenci to process additional sulfide ore identified through exploratory drilling The project targets average incremental annual copper production of approximately 225 million pounds through increases in milling rates to 115 000 metric tons per day

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    To date Freeport has invested more than 1.6 billion to expand production at Morenci to more than 1 billion lb per year lb/y of copper propelling it to world class status among copper mines The total investment was more than 1.9 billion The Morenci mine is a joint venture 85 15 with Sumitomo Corp.

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  • regrinding flowsheet highland valley minesBINQ Mining

    Nov 24 2012  flowsheet of a copper mill flotation plantCoal processing The above flowsheet shows a basic copper mine process of the Highland Valley Copper mill flowsheet The ball mill is a key equipment for regrinding

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    30 Degrees 2.00 opening Stondord Crusher 4 7 Heovy Duty Cones 1.75 Closed Side Setting 2 300HP 2 365HP Vibrating Screen 16 5 X10 10HP O.SO Openlng

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    The concentrate then was combined with the cleaned rougher concentrate to form the final concentrate The flowsheet is a simplification of the previous flowsheet which included two stages of mainstream grinding and two separate regrind stages Figure 1 Laboratory flowsheet Progress on development studies with initial mining planned at

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    Mining Methods Cerro Verde is an open pit copper and molybdenum mining complex that has been in operation since 1976 and is located 20 miles southwest of Arequipa Peru The available fleet consists of fifty 290 metric ton haul trucks and ninety three 230 metric ton haul trucks 21 of which are currently on standby loaded by thirteen electric

  • NORTH AMERICA Freeport McMoRan

    In North America FCX operates seven open pit copper mines Morenci Bagdad Safford Sierrita and Miami in Arizona and Chino and Tyrone in New Mexico and two molybdenum mines Henderson and Climax in Colorado Molybdenum concentrate gold and silver are also produced by certain of FCX s North America copper mines.

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  • Morenci Reduction WorksMilling Practices

    Nov 02 2020  Table of ContentsOrePrimary CrushingSecondary CrushingGrindingFlotation and Regrinding of ConcentrateFiltration of ConcentrateWater Supply and ConsumptionTailing Disposal The Morenci concentrator of the Phelps Dodge Corporation is a part of the project that was completed after five years had been spent in development of the open pit mine equipment and process testing in the

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    cleaner scavenger cells There is a regrind mill between the rougher flotation cells and the cleaner cells In the original design the regrind was specified as two Vertimills but the plant was constructed with a single ball mill in this application The regrind ball mill is a

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  • History Of Surface Grinding Process

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  • Grinding down energy consumption in comminutionMINING

    Jun 21 2019  The mine opted to install 16 Vertimill VTM 1500 WB grinding mills to create a circuit with two regrinding lines Each comprises eight mills each

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    DESCRIPTION OF THE REGRIND CIRCUITS The two stage flowsheet configuration typically used at Red Chris is shown in Figure 3 The first stage of regrinding is carried out by a grate discharge ball mill which is charged with 1 grinding media It is driven by a 2.2 MW fixed speed drivetrain at 14.6 rpm 69 of critical speed .


    mining industry to look for more efficient processes IsaMill Technology for ultra fine and fine grinding is one such process employed at several mining operations in Australia including Mount Isa Mines Limited in Australia Mount Isa Mines is a business unit of MIM Holdings Limited.

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