matte grade nickel and copper recovery calculations

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Harjavalta - Mining Atlas

The Harjavalta copper smelter is located on the west coast of Finland and produces copper, gold, silver, and sulphuric acid as a by-product. The smelter also processes nickel concentrate. The metal concentrates come primarily from external copper mines in …

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Recovery of nickel, copper and cobalt from low-grade Ni–Cu ...

Leaching experiments were carried out to identify optimal conditions for the recovery of Ni, Cu and Co from low-grade Ni–Cu sulfide tailings.

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Stainless Steel News and Nickel Prices, Molybdenum, Metal ...

Chinese ferrochrome prices fall, molybdenum rises, nickel briquette stabilizes - Chinese ferrochrome prices fell this week on a lack of buying interest, but molybdenum, used along with ferrochrome for stainless steel production, rose, while nickel briquette premiums were …

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Method for producing high-grade nickel matte and ...

 · The present invention relates to a method for producing high-grade nickel matte and highly oxidized slag in a flash smelting furnace, and for reducing the slag from the flash smelting furnace and sulfidizing the created matte in an electric furnace.

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Method for producing high-grade nickel matte and ...

 · The present invention relates to a method for producing high-grade nickel matte and highly oxidized slag in a flash smelting furnace, and for reducing the slag from the flash smelting furnace and sulfidizing the created matte in an electric furnace.

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Recovery of nickel, copper and precious metal concentrate ...

Abstract. Falconbridge Nikkelverk A/S sequentially treats high grade precious metal copper nickel mattes with HCI and chlorine, producing a precious metal concentrate having a bulk no greater than 1% of the original matte.

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MURDOCH RESEARCH REPOSITORY

NICKEL LATERITE PROCESSING TECHNOLOGIES­ ... significant amounts of moisture and clay minerals as well as minor amounts of copper and zinc may be present (Taylor, 2000). ... A high grade nickel matte can also be produced (Figure 4) by adding sulphur in the form of elemental

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High Grade Nickel Concentrate

High Grade Nickel Concentrate Product Information. High Grade Nickel Concentrate is used for the recovery of metal values. Vale Canada Newfoundland and Labrador . Suite 700, Blaine Johnston Centre . ... characterized by retention of excessive amounts of copper …

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Nickel: smelting, producing-Metalpedia

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.

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Major Mines & Projects | Creighton 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 …

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Recovery of platinum group metals from nickel-copper-iron ...

 · This invention relates to the separate recovery of platinum group metal values, nickel values and copper from nickel-copper-iron sulphidic matte containing platinum group metals such as platinum, palladium, rhodium, ruthenium, osmium and iridium.

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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 minerals in the Jinchuan Group, China.

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Finland - Operations and Assets - Nornickel

Feedstock supply. In 2016, there was an increase in nickel feedstock supplies from the refining facilities of Monchegorsk, while feedstock supplies from third parties continued unabated and included converter matte from BHP (Australia), matte and converter matte from Boliden Harjavalta (Finland), converter matte from BCL (Botswana), and nickel sulphide concentrate from Terrafame (Finland).

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Sherritt International - Operations - Commercial and ...

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.

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Copper losses and thermodynamic considerations in …

matte, which results in slags with higher copper contents. The slag from smelting, depending on its copper content, is either discarded or treated to recover the copper values.

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A World-Wide Survey of Copper Converting Practice ...

Summary. Recent and detailed operating data and practices from 46 worldwide copper converter operations are tabulated and reviewed. A detailed analysis of the information is presented to illustrate the correlation and ranges of key converter operating parameters: temperature, flowrates, slag chemistry, production, etc.

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Environmental Guidelines for Nickel Smelting and Refining

concentrate to produce a liquid matte (up to 45% nickel) and a fluid slag. Furnace matte still ... hydrogen reduction will produce high grade nickel oxides (95%+ nickel). Vapor processes, such as the carbonyl process, can be used to ... as construction material after nickel recovery as appropriate (e.g. return of converter slag to the furnace ...

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Break Even Analysis - How to Calculate the Cut Off Grade ...

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 = 31.1034768 grams per ton = 28.349523125 grams per tonne As you can see, the difference between a ton and a tonne is approximately 10% .

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2.3 COPPER INDUSTRY SIC - InfoHouse

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/

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Nickel processing | Britannica.com

Nickel requires higher smelting temperatures (in the range of 1,350 °C [2,460 °F]) in order to produce an artificial nickel-iron sulfide known as matte, which contains 25 to 45 percent nickel. In the next step, iron in the matte is converted to an oxide, …

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Nickel - Wikipedia

In the United States, the term "nickel" or "nick" originally applied to the copper-nickel Flying Eagle cent, which replaced copper with 12% nickel 1857–58, then the Indian Head cent of the same alloy from 1859–1864.

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High Grade Nickel Concentrate

High Grade Nickel Concentrate Product Information. High Grade Nickel Concentrate is used for the recovery of metal values. Vale Canada Newfoundland and Labrador . Suite 700, Blaine Johnston Centre . ... characterized by retention of excessive amounts of copper …

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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.

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Nickel processing | Britannica.com

Nickel requires higher smelting temperatures (in the range of 1,350 °C [2,460 °F]) in order to produce an artificial nickel-iron sulfide known as matte, which contains 25 to 45 percent nickel. In the next step, iron in the matte is converted to an oxide, …

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Copper losses and thermodynamic considerations in copper ...

matte, which results in slags with higher copper contents. The slag from smelting, depending on its copper content, is either discarded or treated to recover the copper values.

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Nickel - Natural Resources Canada

Newfoundland and Labrador sent high-grade nickel con- ... for the recovery of nickel, copper, cobalt, and precious metals. ... recyclables, and 64 900 t of nickel in matte. Infrastructure work at the Raglan mine was completed in 2008 to maintain production at 1.3 Mt/y of ore. Ore came

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Synchronous extractions of nickel, copper, and cobalt by ...

Due to the low recovery of valuable metals and the great loss of Co in the smelting process, the traditional pyrometallurgical process suffers to treat low nickel-copper matte efficiently.

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5. PRODUCTION, IMPORT/EXPORT, USE, AND DISPOSAL

production, import/export, use, and disposal Nickel ranks 24th in order of abundance in the earth's crust, with an average concentration of 0.0086%. Its …

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Environmental Guidelines for Nickel Smelting and Refining

concentrate to produce a liquid matte (up to 45% nickel) and a fluid slag. Furnace matte still ... hydrogen reduction will produce high grade nickel oxides (95%+ nickel). Vapor processes, such as the carbonyl process, can be used to ... as construction material after nickel recovery as appropriate (e.g. return of converter slag to the furnace ...

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A Thermodynamic Model of Nickel Smelting and Direct …

recovery rate of valuable metals such as nickel, copper, and the compositions of the charges for these test modes were cobalt is lower in the higher-matte-grade range, especially

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