ore input primary grind copper rougher

ore input primary grind copper rougher

Analysis of the Effects of Grind Size on Production of ,

Analysis of the Effects of Grind Size on Production of ,

grind size of the ore can have on copper concentrate , on copper ore response in the floatation process Comminution processes at the mine accounted for 498% of the total costs of production, ie 47% grinding to achieve a perfect liberation , The researchers used both primary and secondary data in the current study Primary data was

Get Price
Application of D-optimal design for optimizing copper ,

Application of D-optimal design for optimizing copper ,

The cooper ore sample used in this study was taken from the SAG mill feed The minerals of ores were defined by means of microscopy (Table 1) Chalcocite, chalcopyrite, covellite and pyrite were the primary sulfide minerals Table 1 Sulfide minerals composition (wt %) of copper ore Component Cu 2 S CuS CuFeS 2 FeS 2 MoS 2 ZnS

Get Price
Telfer Processing Plant Upgrade – The Implementation of ,

Telfer Processing Plant Upgrade – The Implementation of ,

stage during grinding is recovered to the copper concentrate More recently, Telfer has been processing ores from a secondary deposit, namely West Dome Whereas, the Main Dome, Telfer’s primary ore source, is generally well liberated following grinding to a nominal target P 80 of 120 μm, the mineralogy of the West Dome ore differs signifi ,

Get Price
Improving the recovery of low grade coarse composite ,

Improving the recovery of low grade coarse composite ,

Jul 01, 2011· The copper recovery in rougher and coarse scavenger stages for ORE 1 and ORE 2 is presented in Table 1, Table 2, respectivelyThe total copper recovery for ORE 1 at the standard grind size (d 80 = 150 μm) was approximately 90%This value decreased to about 77% and 73% at coarser grind sizes of 250 μm and 320 μm, respectively

Get Price
Tailings Mineral Industry Solution

Tailings Mineral Industry Solution

These sulfide ores are separated from gangue (waste) material, then from each other, by froth flotation Copper /Molybdenum Flotation Circuit Steps: Grinding Grinding mills liberate the ore from the gangue material (non-ores: silica, organics), and reduce it to an optimal size ,

Get Price
AUTOMATION ADVANCED CONTROL EXPERT (ACE)

AUTOMATION ADVANCED CONTROL EXPERT (ACE)

• Copper recovery in the rougher cells increased by 23% Location: Minera Los Pelambres Mine • Variability of the operating pressure of hydrocyclones reduced by 37% • P80 variability decreased by 32% • Copper recovery variability decreased by 335% • Copper recovery in the rougher ,

Get Price
Development of an Innovative Copper Flowsheet at Phu Kham

Development of an Innovative Copper Flowsheet at Phu Kham

• Primary Grinding Circuit contains – 34 ft × 18 ft (13MW) SAG mill – 24 ft × 39 ft (13 MW) ball mill • Regrinding Circuit contains – M10,000 (26MW) IsaMill • Ore has fine locking of copper and gangue minerals • Ore requires regrinding rougher concentrate to 38 microns to make good quality final copper ,

Get Price
BENEFICIATION OF COPPER Et NICKEL ORES

BENEFICIATION OF COPPER Et NICKEL ORES

BENEFICIATION OF COPPER Et NICKEL ORES COPPER ores in India are of low grade like any other deposits elsewhere in the other , Alternatively with a grind of 70% -200 mesh, , and 006 kg/tonne of pine oil a bulk rougher float analysing 208% Cu, 041% Ni and 263% S with respective recoveries of 964%, 430% and ,

Get Price
METALLURGICAL TESTING REPORT - Ontario

METALLURGICAL TESTING REPORT - Ontario

Both copper and gold values in the ore were readily recoverable by froth flotation (871 07o copper rougher recovery and 868*^ gold rougher recovery) However, the high concentrate weight (2607o) and low concentrate grade (2607o Cu and 370 g/t Au) indicate that extensive cleaning with regrinding would be required to produce a

Get Price
MPT paper NV - EPrints

MPT paper NV - EPrints

31 Effect Of primary grind time Flotation tests for primary grind optimization studies were carried Out using single reagent, Sokem 705C Sodium silicate (30 kg/t) was used as depressant for silica bearing minerals during grinding The graphite Ore was subjected to primary wet grinding in a ball mill for different periods Of grinding time

Get Price
CHALCOPYRITE ORE BENEFICIATION PROCESS AND METHOD - ,

CHALCOPYRITE ORE BENEFICIATION PROCESS AND METHOD - ,

The present invention relates to a mineral processing technology and method for refractory chalcopyrite ores, particularly to a mineral processing technology and method for the separation of chalcopyrite from multiple natural types of copper ores containing chalcopyrite, pyrrhotite, talc and serpentine, which belongs to the technical field of mineral processing

Get Price
copper ore flotation flow

copper ore flotation flow

But the plant scale flotation recoveries of copper were the same ( 88%) for both the grinding circuits In laboratory flotation tests the recoveries of copper were much less (75%) and were also independent of the grinding method Keywords Conventional and autogenous grinding, flotation pulp chemistry, low grade copper ore

Get Price
Technical Resource Document: Extraction and Beneficiation ,

Technical Resource Document: Extraction and Beneficiation ,

EPA 530-R-94-011 NTIS PB94-170248 TECHNICAL RESOURCE DOCUMENT EXTRACTION AND BENEFICIATION OF ORES AND MINERALS VOLUME 1 LEAD-ZINC June 1994 US Environmental Protection Agency

Get Price
Sandfire Resources America Achieves Major Milestones with ,

Sandfire Resources America Achieves Major Milestones with ,

Oct 27, 2020· The UCZ ore requires a fine primary grind (38 µm P80) and a very fine regrind (10 µm P80) of the rougher concentrate to achieve optimized recoveri The LCZ ore ,

Get Price
DeGrussa Processing Plant overview - AusIMM Bulletin

DeGrussa Processing Plant overview - AusIMM Bulletin

The primary ore at DeGrussa is a volcanic-hosted massive sulphide (VHMS) deposit, which is a high grade copper deposit with payable gold and silver The dominant sulphide minerals in the primary ore body are pyrite (35 per cent), chalcopyrite (14 per cent), ,

Get Price
Rockcliff Provides Update on Metallurgical Testing ,

Rockcliff Provides Update on Metallurgical Testing ,

Copper recoveries ranging from 912% - 944%; , The test program generated sequential copper and zinc flotation concentrates from a relatively coarse primary grind of approximately 150 micron k80 Rougher concentrates were reground at 20-30 micron k80 The flowsheet tested does not require the use of cyanide to separate zinc from copper and ,

Get Price
PDC & Mass Balance - Flotation + CIL Rev A 2012 June 20 ,

PDC & Mass Balance - Flotation + CIL Rev A 2012 June 20 ,

Crushed Ore Stockpile (Live Capacity) t 30,000 Engineering Design , Primary Grinding Mill Type Ball Mill Engineering Design Number of Trains 2 Engineering Design Number of Mills 4 Calculations Mill Size Dia mm x EGL mm 7,600 x 11,960 TBC by Suppliers , Copper and Gold Flotation Rougher / ,

Get Price
Production Process - Chaarat

Production Process - Chaarat

Ore grinding circuit Through the conveyor belt the crushed ore that can be up to 25mm, is sent to the rod mill from the Mill main building ore bunker The ore is classified in vertical hydrocyclones, the sands of which are delivered to the primary ball mill, which, together with the ,

Get Price
Design, Installation, Commissioning and Operation of Fine ,

Design, Installation, Commissioning and Operation of Fine ,

Oct 10, 2016· The 700 kW mill is grinding copper rougher concentrate to improve copper/nickel separation and copper recovery , analysis and laboratory and pilot testing for HIG milling in parallel with flotation tests to determine optimum grind size and energy inputThe paper discusses the challenges and successes of the test work, manufacture ,

Get Price
Laboratory Testing for Sulfide Flotation Process Development

Laboratory Testing for Sulfide Flotation Process Development

Jan 01, 2016· These ore variability programs often test hundreds of samples in standardized batch rougher and cleaner tests to ensure that the orebody is well understoodThis article describes the development of a copper-molybdenum flotation process, but the concepts discussed can be applied to most sulfide flotation systems and many industrial minerals ,

Get Price
AMIT 135: Lesson 1 Introduction – Mining Mill Operator ,

AMIT 135: Lesson 1 Introduction – Mining Mill Operator ,

Size Reduction: Primary, secondary and tertiary crushers Magnetic Separation: Separates magnetic ore (pyrrhotite) from non-magnetic ore (copper and nickel concentrates) Froth Flotation: Non-magnetic ore is sent to a series of rougher and cleaner flotation cells to produce nickel concentrate Drying: Thermal removal of liquid moisture

Get Price
Separation efficiency improvement of a low grade copper ,

Separation efficiency improvement of a low grade copper ,

grade copper-gold ores from open pit and underground sources in two parallel , both as a gravity product within the primary grinding circuit and also via leaching of a gold-containing pyrite concentrate) , streams and the Train 1 rougher concentrate A

Get Price
Ernest Henry Mining: Magnetite Processing

Ernest Henry Mining: Magnetite Processing

The EHM orebody is an iron oxide copper gold (IOCG) deposit with magnetite being the form of iron ore EHM’s Ore Reserve Estimate at 30 June 2010 is 88 million tonnes at a grade of 1% copper, 05 grams per tonne gold and 23% magnetite In 2010, EHM produced 74,595 tonnes of copper in concentrate and 91,259 ounces of gold in concentrate

Get Price
Increasing the grind size for effective liberation and ,

Increasing the grind size for effective liberation and ,

Aug 01, 2016· For the porphyry copper ore tested in these investigations, a coarse copper sulphide grain size coupled with a high association with hard microwave-transparent (ie quartz) and hard microwave-heating (ie pyrite) minerals resulted in a grind size increase of 50–60 μm for equivalent liberation or an approximate 25% increase in liberation ,

Get Price
DURAN REPORTS 93% COPPER AND 91% MOLYBDENUM ,

DURAN REPORTS 93% COPPER AND 91% MOLYBDENUM ,

These ore hardness results would classify the two samples as hard A basic bulk flotation flow sheet was developed incorporating a moderate primary grind size of about 150μm K80 The pH in the rougher circuit was elevated to pH 10 using lime Potassium Amyl Xanthate (PAX) and fuel oil were used as the copper and molybdenum collectors ,

Get Price
(PDF) Recovery Improvement of Coarse Particles by Stage ,

(PDF) Recovery Improvement of Coarse Particles by Stage ,

Due to the poor efficiency of primary grinding circuit, coarse particles were detected as predominate size fraction in rougher flotation feed , and their interactions in a sulfidized copper ore ,

Get Price
(PDF) Mixed media grinding - A refractory gold case study

(PDF) Mixed media grinding - A refractory gold case study

Copper grade/recovery curves for laboratory tests completed on copper rougher concentrate generated in a plant using forged steel grinding media in the primary grinding circuit

Get Price
PGM Ore Processing at Impala's UG-2 Concentrator

PGM Ore Processing at Impala's UG-2 Concentrator

a relatively coarse primary grind, particularly if the grind is operated in a more attritioning style The remaining PGM, locked in silicates, are difficult to liberate, requiring finer liberation in a secondary milling step, and longer ensuing rougher and cleaner flotation tim It is, in large part, the nature of the PGM

Get Price
Froth flotation - Wikipedia

Froth flotation - Wikipedia

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilicThis is used in mineral processing, paper recycling and waste-water treatment industri Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century

Get Price