Introduction

Copper extraction techniques - WikipediaCopper extraction techniques refers to the methods for obtaining copper from its ores. . The average grade of copper ores in the 21st century is below 0.6% copper, with . extraction and electrowinning technologies are used to recover the copper .. Copper can be lost from the matte in three ways: as cuprous oxide (Cu2O).matte grade nickel and copper recovery calculations,matte grade nickel and copper recovery calculations,COPPER Copper productionAbout 80 % of primary copper production comes from low-grade or poor sulfide ores. . To obtain concentrates with highest possible purity and recovery rate, the .. furnace for smelting concentrate and producing copper matte. .. pickling by dilute sulfuric or nitric acid, metal coating or electroplating (with nickel, nickel and.

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6 recovery of mineral values in cupriferous and nickeliferous pyrrhotite

of nickel and copper from Funter Bay, Alaska, sulfide ore and recovery of nickel from . ficiation, roasting, electric smelting of roasted ore for matte production, ... grade of 4.26 percent copper, 1.91 percent nickel, and 58.4 percent iron. Flotation ... oxidation of sulfur dioxide, catalyzed by ferric oxide and silica, equation. (6).

Recovery of cobalt, nickel, and copper from slags, using DC-arc .

This technology is applicable to the recovery of nickel, cobalt, copper, and platinum . The furnace matte is treated in a converter (often of the Peirce-Smith type) to . Note that, for the purposes of these calculations, all of the Co, Cu, and Ni in the .. a better grade of alloy, with an iron content in the region of 10 to 15% lower.

Nickel Smelting and Refining - IFC

tion with copper-bearing ores, are mined from underground. . to the furnace to produce a matte for processing. Most laterite . Slags are processed in an electric furnace prior to discard to recover nickel. Process gases . tion produce high-grade nickel oxides (more than .. is operating, to be calculated as a proportion of.

Patent US4036636 - Pyrometallurgical process for smelting nickel .

Jul 19, 1977 . Process for recovering nickel and nickel-copper from molten . percent nickel and a high grade matte containing copper and nickel comprising the following steps: . 31, 1974 entitled Pyrometallurgical Recovery of Copper Values from ... The ratio of CO2 to CO has been calculated for a slag containing 25.

nickel and cobalt - Eurometaux

Jul 3, 2014 . Cobalt is usually present in nickel and copper ores and is recovered . and cobalt sulphides which are sent for further metal recovery. .. both smelting and converting to produce a high grade matte which is further treated.

nickel Ore - SlideShare

Jan 28, 2016 . Nickel Ore Processing Prepared By- Mukesh Ranjan Behera 1. . Hydrous silicate Ferro-nickel matte Energy PROCESSING OPTIONS .. Sulphides ores, found in conjunction with copper-bearing ores, are mined from underground. .. Figure 2 Cumulative grade and recovery curves calculated for pyrrhotite.

Copper extraction techniques - Wikipedia

Copper extraction techniques refers to the methods for obtaining copper from its ores. . The average grade of copper ores in the 21st century is below 0.6% copper, with . extraction and electrowinning technologies are used to recover the copper .. Copper can be lost from the matte in three ways: as cuprous oxide (Cu2O).

COPPER Copper production

About 80 % of primary copper production comes from low-grade or poor sulfide ores. . To obtain concentrates with highest possible purity and recovery rate, the .. furnace for smelting concentrate and producing copper matte. .. pickling by dilute sulfuric or nitric acid, metal coating or electroplating (with nickel, nickel and.

6 recovery of mineral values in cupriferous and nickeliferous pyrrhotite

of nickel and copper from Funter Bay, Alaska, sulfide ore and recovery of nickel from . ficiation, roasting, electric smelting of roasted ore for matte production, ... grade of 4.26 percent copper, 1.91 percent nickel, and 58.4 percent iron. Flotation ... oxidation of sulfur dioxide, catalyzed by ferric oxide and silica, equation. (6).

Recovery of cobalt, nickel, and copper from slags, using DC-arc .

This technology is applicable to the recovery of nickel, cobalt, copper, and platinum . The furnace matte is treated in a converter (often of the Peirce-Smith type) to . Note that, for the purposes of these calculations, all of the Co, Cu, and Ni in the .. a better grade of alloy, with an iron content in the region of 10 to 15% lower.

Nickel Smelting and Refining - IFC

tion with copper-bearing ores, are mined from underground. . to the furnace to produce a matte for processing. Most laterite . Slags are processed in an electric furnace prior to discard to recover nickel. Process gases . tion produce high-grade nickel oxides (more than .. is operating, to be calculated as a proportion of.

matte grade nickel and copper recovery calculations,

Patent US4036636 - Pyrometallurgical process for smelting nickel .

Jul 19, 1977 . Process for recovering nickel and nickel-copper from molten . percent nickel and a high grade matte containing copper and nickel comprising the following steps: . 31, 1974 entitled Pyrometallurgical Recovery of Copper Values from ... The ratio of CO2 to CO has been calculated for a slag containing 25.

nickel and cobalt - Eurometaux

Jul 3, 2014 . Cobalt is usually present in nickel and copper ores and is recovered . and cobalt sulphides which are sent for further metal recovery. .. both smelting and converting to produce a high grade matte which is further treated.

nickel Ore - SlideShare

Jan 28, 2016 . Nickel Ore Processing Prepared By- Mukesh Ranjan Behera 1. . Hydrous silicate Ferro-nickel matte Energy PROCESSING OPTIONS .. Sulphides ores, found in conjunction with copper-bearing ores, are mined from underground. .. Figure 2 Cumulative grade and recovery curves calculated for pyrrhotite.

outotec smelting solutions for the pgm industry - SAIMM

High-grade nickel matte can be further processed hydrometallurgically using . hydrometallurgical methods to recover copper, nickel, cobalt, and PGMs. .. of the Ni3S2 from the matte to NiO, which reports to the slag (Equations 6 and 7).

A New Process for Cobalt – Nickel Separation - Teck

May 25, 2010 . common impurities found in leach liquors, such as copper, zinc, iron (II), cadmium, calcium, . raffinate met the cobalt requirements for LME Grade Nickel, (Ni:Co ratio > 666:1). . Reagent consumption during this test was calculated (from sodium assays) at 36.2 g of . Figure 1: Nickel Recovery Flowsheet.

Improving copper matte grade control in a concentrate flash furnace

Apr 16, 2016 . The copper matte grade (CMG) variation in a flash furnace depends on bath .. on-line the oxygen/concentrate ratio, based on stoichiometric calculations. .. flow rate favored also the heat recovery at the boiler and the increment of the .. Energy Challenges for a Nickel Laterite Mining and Smelting Facility.

matte grade nickel and copper recovery calculations,

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Sep 5, 2013 . 'Production of Commercial Grade Copper and Nickel. The Effects of the' . Cutaway View of a Blast Furnace for Producing Copper Matte from Sulfide Ores. . Hoboken Converter Can Improve Sulfur Recovery but Lacks. Pierce-Smith ... f~~nd i: TableAl are determined by the equation below: 1\. MF - (XeS +.

PLATSOLâ„¢ Process Provides a Viable Alternative to Smelting - SGS

recover platinum group metals (PGMs), gold and base metals such as Cu, Ni and Co . treatment of feeds that are lower grade in PGM and sulphides, and feeds that contain . described by the chemical equations .. Table 4 Treatment of Matte, Cu/Au Concentrate and Refractory Au . Copper and nickel extraction from the.

Copper - Department of Energy

electroplated protective coating in undercoats of nickel, chromium, and zinc. . The two major processes employed in the United States to recover copper . efficiency, many companies are now using flash smelting to produce matte feed. . rock from mining or in situ ore bodies (e.g., low grade oxide and sulfide mine wastes);.

Overview

Primary production of nickel, cobalt and platinum-group metals in the world in 2009 is . are used to make melting-grade nickel and nickel matte. Sulphides are.

matte grade nickel and copper recovery calculations,

Selective leaching of nickel from low-sulfur Ni-Cu matte at .

matte was obtained from high grade Ni-Cu matte by magnetic separation, which mainly contained Ni-Cu . leaching of nickel-copper matte were also conducted . calculated. .. PLASKET R P, ROMANCHUK S. Recovery of nickel and copper.

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