Recovery of nickel and copper from high-grade matte at ...
High-grade nickel-copper matte is treated at Impala Platinum to produce nickel briquettes and copper cathodes. The remaining residue is separately treated for the recovery of platinum group metals. The major portion of the nickel values is preferentially extracted in a first stage acid oxidation leach.
Computer-Aided Design of a Flash Smelting Installation
In both copper and copper/nickel smelting, matte from the flash furnace is processed further in conventional converters to produce blister copper or copper/nickel matte for subsequent refining. Slag from the flash furnace usually contains a percentage of …
"This - Vale.com
4 More than a century of Base Metals leadership 1853 – Nickel discovered in the Sudbury area 1902 – The International Nickel Company is formed on April 1 1930 – Completion of an ambitious construction program in Sudbury, Ontario that included mines, smelters, refineries and power plants 1968 – PT Inco Indonesia is formed to develop nickel deposits
12.3 Primary Copper Smelting
which is periodically removed and discarded. Copper matte remains in the furnace until tapped. Matte ranges from 35 to 65 percent copper, with 45 percent the most common. The copper content percentage is referred to as the matte grade. The 4 smelting furnace technologies used in the U. S. are reverberatory, electric, Noranda, and flash.
Nickel Deposits Explained | Balmoral Resources Ltd.
Typically this type of Disseminated Ore is seen above and lateral to the higher grade, more massive parts of the system. One of the characteristics of magmatic sulphides is that the individual sulphide grains – like the orebodies as a whole – tend to be zoned having a more copper-rich top and nickel rich base.
Nickel processing | Britannica.com
Nickel processing, preparation of the metal for use in various products. Although it is best known for its use in coinage, nickel (Ni) has become much more important for its many industrial applications, which owe their importance to a unique combination of properties. Nickel has a relatively high
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 ... Komatiite-hosted nickel-copper deposits contain ...
OUTOTEC FLASH SMELTING TECHNOLOGY
Flash Smelting is a natural choice for higher-grade copper concentrates due to its lower capital investment costs. Outotec Direct Nickel Flash Smelting (DON) This process enables high-grade nickel matte to be produced using a single flash smelting furnace. It allows higher recovery of nickel, cobalt, and precious metals than
(PDF) Acid leaching of a nickel sulfide concentrate
Acid leaching of a nickel sulfide concentrate ... leaching reaction is 60% smaller than that of nickel matte. The nickel leaching rate difference between nickel matte and MS in chlorine leaching ...
Sherritt International - Operations - Technologies ...
Leaching of nickel-copper matte and recovery of platinum group metals Sherritt's matte leach process uses sulphuric acid leaching in a combination of atmospheric and/or pressure leaching steps to quantitatively dissolve nickel and copper in nickel-copper matte and produce a high-grade platinum group metal (PGM) concentrate for refining.
Mineral Deposit Value – How to Calculate the Potential ...
When the preliminary feasibility study of a mineral project has not been completed yet, but you do want to estimate the mineral deposit value, you can calculate the potential value of a mining project by the back-of-the-envelope calculation described in this article.
Method for producing high-grade nickel matte and ...
Jul 26, 1994· The high-grade nickel matte created in the flash smelting furnace can also be recirculated into the electric furnace. Accordingly, this method and apparatus for producing high-grade nickel matte makes it possible to eliminate the converter step from the process.
How to Make Nickel sulfate - YouTube
Mar 31, 2013· In this video we will be making Nickel Sulfate from Nickel metal and sulfuric acid with a simple, single displacement reaction. Here is the link to Nurdrage's video on a Dessicator bag:
A Thermodynamic Model of Nickel Smelting and Direct High ...
High-Grade Nickel Matte Smelting Processes: Part II. ... The calculations show that the matte grade increases from 26.9 to 33.6 pct as the ... the recovery of copper and cobalt. lower the content ...
Leaching of a low-grade, copper-nickel sulfide ore. 1. Key ...
1 Leaching of a low-grade, copper-nickel sulfide ore. 1. Key parameters impacting on Cu recovery during column bioleaching H.R. Watling1*, A.D. Elliot,1 M. Maley,2 W. van Bronswijk2 and C. Hunter3 1 AJ Parker Cooperative Research Centre for Integrated Hydrometallurgy Solutions, CSIRO Minerals, PO Box 7229, Karawara, Western Australia 6152
Grade Recovery Strategies
1986 - 2002 Lakefield Research Ltd Lakefield, Ontario, Canada Metallurgical laboratory technologist. Performing various laboratory-scale mineral processing and hydrometallurgical testwork and completion of necessary test reports; Carrying out processes such as flotation, magnetic separation, electromagnetic separation, gravity separation, various mineral leaching processes, and size analysis.
Common & Basic Formulas for Mineral Processing Calculations
Occasionally the calculation of the grade of perfect concentrate is unnecessary because the smelter may prefer a certain maximum grade. For example, a perfect copper concentrate for an ore containing copper only as chalcocite would run 79.8% copper, but if the smelter is best equipped to handle a 36% copper concentrate, then for milling ...
COPPER Copper production - TU Delft
The copper recovery efficiency is over 90 %. About 95 % of ... The blast or shaft furnace is well-suited for smelting high-grade, lumpy copper ore. If only fine -3 of 11- ... The reverberatory furnace dominated copper matte smelting for much of the 1900s, because it was
Nickel - AIMR 2013 - Australian Mines Atlas
The remaining nickel matte is transported, principally by rail, to Western Nickel's Kwinana nickel refinery, a distance of approximately 650 kilometres. The nickel matte is processed into nickel metal in the form of LME grade briquettes and nickel powder, together with a range of saleable by-products.
May 2011: JOM Article - tms.org
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.
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.
matte grade nickel and copper recovery calculations
Posted at: December 21, 2012 . matte grade nickel and copper recovery calculations for the calculation of the copper distribution coefficient in the XNi . A Thermodynamic Model of Nickel Smelting and . nickel-copper matte of a low matte grade. PHAD method, with a Gibbs energy minimization routine, ponents in the calculations is the following:
Synchronous extractions of nickel, copper, and cobalt by ...
Low-grade nickel-copper matte is a conventional intermediate obtained from smelting nickel-copper concentrate to high-grade nickel-copper matte. In general, low-grade nickel-copper matte has a low content of cobalt and a high content of iron, as is the case with nickel …
CuEq Metal Equivalent Calculator for Mining Results ...
CuEq Metal Equivalent Calculator for Mining Results. Posted by: ... For each metal select the grade and the market price to be used in the calculations. You may also select a recovery %, the amount of assayed material that can actually be recovered during processing of the ore. ...
Metal Value per Tonne - How You Can Determine the Mineral ...
You will find this explanation under the header How to Calculate the Cut-Off Grade, but in summary: 1% equals to 22 pounds. How To Calculate the Metal Value per Tonne. In the following table, I have created some examples for calculating the metal value, using the …
How to calculate grade and recovery concentrate?-Ore ...
How to calculate grade and recovery concentrate? Location: Home >> News >> Profession news In the process of ore dressing percentage, the percent of quality of a product obtained and quality of raw ore, known as the yield rate of product.
Geology & Mineralogy | Copper Nickel Resources and Reserves
NorthMet comprises 254.7 million tons of proven and probable reserves grading 0.294 percent copper and 0.084 percent nickel. It has Measured and Indicated mineral resources of 649.3 million tons grading 0.245 percent copper and 0.07 percent nickel and 508.9 million tons of Inferred material at 0.240 percent copper and 0.070 percent nickel.
Recovery of cobalt, nickel, and copper from slags, using ...
DC-arc furnace technology has been successfully applied to the recovery of cobalt, nickel, and copper from non-ferrous furnace and converter slags. Pilot-plant testwork at Mintek has demonstrated recoveries of 98% for nickel and over 80% for cobalt, at power levels of up to 600 kW.
Recovery of platinum group metals from nickel-copper-iron ...
Feb 18, 1986· Recovery of platinum group metals from nickel-copper-iron matte ... the usual commercial procedure is to concentrate and smelt the ore to form a high grade nickel-copper-iron sulphidic matte from which the contained platinum group metals must be recovered in a form suitable for treatment in a platinum metal refinery. ... which may be further ...
An overview of Southern African PGM smelting - mintek.co.za
of PGMs. For comparative purposes, mention should also be made of Norilsk Nickel (12), which, although strictly not a primary PGM smelter, is the world's largest producer of nickel and palladium, and is also one of the leading producers of copper, platinum and gold. Other significant producers of PGMs include Falconbridge and Inco of Canada.
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