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matte grade nickel and copper recovery calculations

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Pilot plant management / batch lock cycle Hydromet

SMC Nickel Matte Leach -USA 1998/ 99 Stillwater Mining Company Recovery of Nickel and Copper from Stillwater matte and production of High Grade PGM concentrate 1400 hours Angloplats Nickel Copper - SA 2002 Angloplats Production of High Grade PGM concentrate and removal of Nickel and Copper from Angloplats Converter Matte...

NICKEL AND COBALT ORES FLOTATION

ores is through the production of nickel matte after enriching the nickel content of the ore This is com- , contain very low grades of nickel 06 and copper 004 04 The easily Soatable non-sulRde min- , pyrrhotite makes the grade unacceptable The over-all recovery of pentlandite and pyrrhotite could be...

Removal of nickel, copper, zinc and chromium from ,

Removal of nickel, copper, zinc and chromium from synthetic and industrial wastewater by electrocoagulation Konstantinos Dermentzis , Achilleas Christoforidis, Evgenia Valsamidou International Journal of Environmental Sciences Volume 1 No5, 2011...

An overview of Southern African PGM smelting

together with the PGM content when talking about the valuable products from PGM smelting The base metals nickel, copper, and cobalt commonly occur together with the PGMs and are produced as co-products in the smelters and refineri The PGM market is fundamentally strong, particularly in platinum, where recent years have shown good...

Duluth Complex and NorthMet Deposit PolyMet Mining

4 Cu-Eq copper equivalent grade is based on the mill recovery to concentrates and metal prices presented in Table 14-33 of the 2018 Technical Report 5 The Measured and Indicated mineral resources are inclusive of the mineral reserv...

23 COPPER INDUSTRY SIC

atmosphere, copper and sulfur form copper sulfide and iron sulfide combination of the two sulfides known as copper matte collects in the lower area of the furnace and is removed Mattes comonly contain 40 to 45 percent copper Impurities such as sulfur, antimony, arsenic, iron, and precious metals are in the matte...

123 Primary Copper Smelting

123 Primary Copper Smelting 1231 General1 Copper ore is produced in 13 stat In 1989, Arizona produced 60 percent of the total , grade copper matte from concentrates and flux In flash smelting, dried ore concentrates and finely , nickel, selenium, sulfur, tellurium, and zinc Fire refining and electrolytic refining are used to purify...

Recovery of cobalt, nickel, and copper from slags, using ,

Mintek has been working on the recovery of cobalt, and the associated valuable metals, from slags, since 1988, using DC-arc furnace technology to effect selective carbothermic reduction of the oxides of cobalt, nickel, copper, and zinc, where present , while retaining the maximum possible quantity of iron as oxide in the slag...

Roasting and Leaching Bulk Copper

Roasting and Leaching Bulk Copper-Zinc Sulfide Concentrates With the Subsequent Recovery of the Metals by Electrolysis Introduction The standard practice for the treatment of copper-zinc sulfide ores involves the separation of their sulfides by selective flotation, follow-ed by certain processes by which each metal is recovered separatelyo The...

Thermodynamic considerations in copper pyrometallurgy

an iron silicate fayalite slag Copper forms the heavier molten sulfide phase matte that contains the unoxidized iron sulfide The immiscible lighter slag phase contain- ing the oxidized iron floats on the surface of the matte and is discarded or treated for copper recovery The copper grade of the matte depends rnainly on the...

Nickel smelting, producing

Nickel matte with a 70 nickel grade, procured from mines and smelters that we have a stake in, and mixed sulfide with a 60 nickel grade produced in Coral Bay, using the HPAL High Pressure Acid Leach process is used as raw material...

Major Mines Projects Copper Cliff North Mine

The resulting nickel oxide is processed in the Copper Cliff Nickel Refinery or the Clydach Nickel Refinery, and a portion is marketed directly as nickel oxide sinter 75 Copper sulphide from Matte Separation is treated in the MK reactor, where sulphur dioxide, as well as molten metal, is produced The sulphur dioxide is fixed as sulphuric ac...

copper processing Definition, History, Facts ,

Copper processing, the extraction of copper from its ores and the preparation of copper metal or chemical compounds for use in various products In its pure form or as an alloy, copper Cu is one of the most important metals in society...

Break Even Analysis

Before I can calculate the cut off grade, I first need to show a basic equation which converts a troy ounce into grams per ton 1 troy ounce = 311034768 grams per ton = 28349523125 grams per tonne As you can see, the difference between a ton and a tonne is approximately 10...

Refining of blister copper

grade copper content Bi Sb As Fe Ni Pb Sn S 0 Zn Total , Mullick Refining of blister copper pole is inserted in the bath to agitate the metal and drive out the sulphur held in solution as well the dis- , oxides of zinc nickel, etc The copper content of slag is...

Autoclave Leaching of Copper Nickel Matte

The matte was preleached at atmospheric pressure to selectively extract 20 pct of the nickel, and the undissolved solids were referred to as the matte residue Autoclave leaching of the matte residue extracted over 95 pct of the nickel, copper, and iron The remaining leach residue in the autoclave contained over 100 oz of precious metals per ton...

Materials and Energy Balance

Materials and Energy Balance - Course 4 Charge calculations continuedpdf , ore is associated with iron sulphide which forms eutectic point with Cu and Ni The grade of the matte is defined as the copper grade of matte A matte of 40 percent means solubility Fe2O3 because it is used to produce copper not iron Slag in matte smelting is ....

Copper losses and thermodynamic considerations in ,

indicator for matte grade This procedure was adopted for a number of reasons 1 Mattes from different operations contain different amounts of minor elements, such as lead and zinc, which dilute the copper in the matte, and other major elements, such as nickel and cobalt 2 The iron content of matte indicates the extent of iron...

May 2011 JOM Article

There was insufficient information for the calculation of the copper distribution coefficient in the XNi Smelter data 30 The target grade for nickel/PGM Bessemer matte is typically matched to the requirements of the downstream refinery which specifies the permissible level of iron and sulfur within the matte...

Environmental Guidelines for Nickel Smelting and Refining

Various processes are used to refine nickel matte Fluid bed roasting and a chlorine-hydrogen reduction will produce high grade nickel oxides 95 nickel Vapor processes, such as the carbonyl process, can be used to produce high purity nickel pellets In this process, copper and precious metals remain as a pyrophoric residue requiring separate...

Nickel processing Britannica

Copper-nickel The addition of copper to nickel provides a series of useful alloys Monel metal, 67 percent nickel and the balance essentially copper, is stronger than nickel and has broad corrosion-resisting applications Extremely resistant to rapidly flowing seawater, it has many marine us...

A Resource Assessment of Copper and Nickel Sulfides within ,

series used in grade-tonnage calculations for block VIII B16 10 Spatial distribution of 25-foot intervals below the base of the Basal , 23 Cutoff grade combined copper and nickel vs ore tonnage, block IV, for mining blocks 25 X 25 X 25 feet B26 24 Average grade combined copper and nickel vs ore tonnage, block , do not allow for ....

Metal Products Products Services Sumitomo Metal ,

Additionally, since April 2005, commercial production of nickel from low-grade ore, for which processing was impossible using conventional technologies, has begun in the Republic of the Philippines, using a technology known as the HPAL High Pressure Acid Leach process...

Nickel Smelting and Refining

tion produce high-grade nickel oxides more than 95 nickel Vapor processes such as the carbo-nyl process can be used to produce high-purity nickel pellets In this process, copper and precious metals remain as a pyrophoric residue that re-quires separate treatment Use of electrical cells equipped with inert cathodes is the most com-mon ....

MURDOCH RESEARCH REPOSITORY

A high grade nickel matte can also be produced Figure 4 by adding sulphur in the form of elemental sulphur or pyrite to the calcined reduced ore in the kiln The electric furnace then produces a crude matte which is converted by air blowing to a final product containing 77-78 nickel and 21-22 sulphur and less than 1 iron...

Teck s CESL Nickel Process Advancing Towards a Commercial ,

produces a high grade nickel matte which is then refined hydrometallurgically With the majority of , during comminution In most cases, treatment of such ores results in low nickel recovery and 2 produces a concentrate unacceptably high in magnesia Nickel smelters typically cannot handle , producing copper cathode and a nickel ....

Energy and Environmental Profile of the US Mining Industry 5

Energy and Environmental Profile of the US Mining Industry 51 Process Overview 511 Copper Ore Mining Copper is commonly extracted from surface, underground and increasingly, from in situ operations In 2000, the principal mining States, in descending order, Arizona, Utah, New Mexico, and Montana, accounted for 99 percent of domestic ....

23 COPPER INDUSTRY SIC

copper sulfide matte and a siliceous slag which is discarded, 3 , Arsenic, antimony, bismuth, and nickel enter the electrolyte After the plating cycle is finished, the cathodes are removed from the tanks, , Both Noranda and flash furnaces produce a high grade of matte, Table 2-2 TYPICAL EURNACE STAG ANALYSIS--PRIMARY COPPER - 1/...

Improving Copper Recovery from Production Slags by ,

Improving Copper Recovery from Production Slags by Advances Stirring Methods Proceedings of EMC 2011 3 treated in the existing copper extraction route or separately in a subsequent reactor the slag phase can be used as construction material for example 12 Conventional pyrometallurgical copper ,...

Availability of the Platinum Metals

the electro-refining of copper and nickel, followed by the recovery, separation and refining of the platinum metals themselv South Africa differs, however, from Canada , Flotation concentrates are smelted to a copper-nickel-iron matte This is cast into moulds, , and blown to a high-grade matte which is cast into moulds and then brokcn ....