Email Adddress: [email protected]

roasting of copper and nickel ore and ore concentrates

roasting of copper and nickel ore and ore concentrates

Roasting of Copper and Nickel ore and ore Concentrates

roasting of copper and nickel ore and ore concentrates in copper processing Roasting smelting and converting Various fluxing materials such as limplne or iron ore are mixed with the ore concentrate. (1.38 Ni) was roasted at 800 °C for 220 min coal and the corresponding recoveries

Get Price

Synchronous extraction of nickel and copper from a

2018-3-10  In this study, ammonium sulfate roasting technique was used to process a typical Chinese mixed oxide-sulfide nickel ore to extract copper and nickel directly in a relatively low temperature range (300–500 °C) under the condition of inletting oxygen gas.

Get Price

Extraction of Copper and Nickel from Low-Grade

2019-9-10  A low-temperature roasting, selective decomposition and water-leaching process was proposed to treat Jinchuan low-grade nickel sulfide ore with highly alkaline gangue to simultaneously extract copper and nickel. When the roasting temperature is 450°C, the roasting time is 120 min, MR is 1:0.4:3.5, the ore particle size is − 140 + 160 mesh, the selective decomposition temperature is 660°C

Get Price

Efficient Synchronous Extraction of Nickel, Copper,

2020-6-18  Synchronous extraction of nickel and copper from a mixed oxide–sulfide nickel ore in a low–temperature roasting system. Journal of cleaner production 177, 371–377 (2018).

Get Price

Copper, lead, zinc and nickel ores and concentrates -

2021-6-21  Standardization in the field of copper, lead, zinc and nickel ores and concentrates and smelter residues, including sampling, chemical analysis and physical testing. This committee contributes with 11 standards to the following Sustainable Development Goal : 9. Industry, Innovation and Infrastructure. 27.

Get Price

Copper-Nickel ores - Danafloat

Separation of the bulk concentrate copper and nickel minerals is generally accomplished by flotation of the copper from pentlandite and nickel-bearing iron sulphides which report to the flotation tails. Pentlandite and iron sulphides are depressed by raising the pH

Get Price

ROASTING OF SULFIDE MINERALS - Wiley

ROASTING OF SULFIDE MINERALS In addition to common metals like copper, lead, zinc, and nickel a number of other metals such as antimony, bismuth, cadmium, cobalt, mercury, and molybdenum occur as sulfide minerals. Sulfides are not reduced with the most widely used redu-cing agents, carbon and hydrogen, because the free energy change for the reactions

Get Price

Extraction of metals from complex sulfide nickel ...

2017-4-11  Under the optimum condition, 95% of Ni, 98% of Cu, and 88% of Co were recovered. In addition, the removal of iron was studied in the water leaching stage. The results demonstrate that this process provides an effective approach for extracting multiple metals from complex concentrates or ores.

Get Price

(PDF) PARTIAL ROASTING OF COPPER CONCENTRATE

Since this mineral contain both arsenic and copper, it is not possible to remove the arsenic by selective flotation. Partial roasting is a method to clean the concentrate from arsenic and thereby produce a suitable raw material for the copper smelter. Also mercury is commonly found in copper bearing minerals.

Get Price

Hazard Assessment of Ores and Concentrates -

2018-1-1  Case Example on Copper Concentrates. ... A range of elements occurs naturally in ores and ore concentrates, which depending on their mineral speciation have the potential to cause ecological risk (e.g., cadmium, copper, lead, mercury, thorium, thallium, selenium, zinc). ... Among the potentially hazardous metals present in the concentrates ...

Get Price

Synchronous extraction of nickel and copper from a

2018-3-10  The mineralogical phase identification of the ore samples was carried out using XRD (Rint-2000, Rigaku), and the results in Fig. 1 indicate that the major crystalline minerals in mixed oxide-sulfide nickel ore are pyrite (FeS 2), pyrrhotite (Fe 7 S 8), pentlandite ((Fe,Ni) 9 S 8), chalcopyrite (CuFeS 2) and quartz (SiO 2).It can be confirmed that pentlandite is the dominant nickel bearing ...

Get Price

Copper, lead, zinc and nickel ores and concentrates -

2021-6-21  Standardization in the field of copper, lead, zinc and nickel ores and concentrates and smelter residues, including sampling, chemical analysis and physical testing. This committee contributes with 11 standards to the following Sustainable Development Goal : 9. Industry, Innovation and Infrastructure. 27.

Get Price

Segregation-separation of copper from nickel in

Copper is separately recovered from at least one nickeliferous sulfidic material selected from the group consisting of ore, ore concentrates, mattes or other metallurgical intermediates by roasting the sulfidic material to produce a calcine, mixing the calcine with a particulate carbonaceous reductant and with at least one halide heat transformable to halogen or to hydrogen halide at a ...

Get Price

ConRoast - MINTEK Welcome to MINTEK - MINTEK

2012-2-7  PGM sulphide ore concentrates from South Africa are predominantly of two types: those from the Merensky reef, and those from the UG2 reef. Merensky concentrates are similar in sulphur and base metal content to typical nickel-copper sulphide concentrates.

Get Price

Leaching and recovery of platinum group metals from UG

2009-8-26  an iron-nickel-copper-PGM matte converting by blowing air through this ... group metals from UG-2 concentrates ... involved roasting of the ore followed by HCl/chlorine leaching. Since the substrate intended for Mintek’s process was a relatively high grade UG-2 concentrate, it was felt that the use of these harsh conditions, ...

Get Price

How to Recover Cobalt and Nickel from Copper

2018-12-22  This procedure resulted in cobalt-nickel concentrates ranging from 4.1 to 5.7 pct Ni and 2.8 to 3.8 pct Co at a recovery of 79 pct. Ferric chloride leaching results in greater separation of the cobalt- nickel, but essentially all of the copper is taken into solution and must then be recovered by electrolysis.

Get Price

(PDF) PARTIAL ROASTING OF COPPER CONCENTRATE

PARTIAL ROASTING OF COPPER CONCENTRATE WITH STABILISATION OF ARSENIC AND MERCURY. Download. PARTIAL ROASTING OF COPPER CONCENTRATE WITH STABILISATION OF ARSENIC AND MERCURY. Åke Holmström. Related Papers. Enargite Treatments and Pressure Oxidation of Concentrates. By Co. SEP. 6 Lead and Zinc. By Mziyanda shumi.

Get Price

Copper-Nickel ores - Danafloat

Copper-Nickel ores. Pentlandite ( (Ni,Fe)S) is the most important nickel sulphide mineral and is often associated with nickel-containing pyrrhotite and chalcopyrite. Gangue minerals can include talc and other troublesome silicates which must be dispersed and/or depressed. elevated pH using soda ash.

Get Price

Copper Mining and Extraction Sulfide Ores

Copper can be extracted from its ore by: Underground: sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore. Open pit: 90% of ore is mined by this method. Ores near the surface can be quarried after removal of

Get Price

Roasting (metallurgy) and similar topics

Topics similar to or like. Roasting (metallurgy) Process of heating of sulphide ore to a high temperature in presence of air. 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. Wikipedia.

Get Price

Copper, lead, zinc and nickel ores and concentrates -

2021-6-21  Standardization in the field of copper, lead, zinc and nickel ores and concentrates and smelter residues, including sampling, chemical analysis and physical testing. This committee contributes with 11 standards to the following Sustainable Development Goal : 9. Industry, Innovation and Infrastructure. 27.

Get Price

Synchronous extraction of nickel and copper from a

2018-3-10  The mineralogical phase identification of the ore samples was carried out using XRD (Rint-2000, Rigaku), and the results in Fig. 1 indicate that the major crystalline minerals in mixed oxide-sulfide nickel ore are pyrite (FeS 2), pyrrhotite (Fe 7 S 8), pentlandite ((Fe,Ni) 9 S 8), chalcopyrite (CuFeS 2) and quartz (SiO 2).It can be confirmed that pentlandite is the dominant nickel bearing ...

Get Price

BENEFICIATION OF COPPER Et NICKEL ORES

2011-8-5  Till recently there are no specific nickel ore deposits in India but the copper ores in Singh-bhum Dist., of Bihar contain minor quantities of nickel contributed by the nickel sulphides like, ... concentrates analysing respectively 0.166% Ni with 28.8% Ni distribution and 0.047% Ni with

Get Price

(PDF) PARTIAL ROASTING OF COPPER CONCENTRATE

PARTIAL ROASTING OF COPPER CONCENTRATE WITH STABILISATION OF ARSENIC AND MERCURY. Download. PARTIAL ROASTING OF COPPER CONCENTRATE WITH STABILISATION OF ARSENIC AND MERCURY. Åke Holmström. Related Papers. Enargite Treatments and Pressure Oxidation of Concentrates. By Co. SEP. 6 Lead and Zinc. By Mziyanda shumi.

Get Price

NICKEL AND COBALT RECOVERY FROM MESABA

2015-11-20  The mineralogy of the Mesaba ore does not allow for effective production of separate copper and nickel concentrates, however, a low grade bulk concentrate may be produced with reasonable copper and nickel recoveries. Due to the capability of the CESL Process to handle bulk concentrates, Teck

Get Price

Concentrate - Boliden

The ore is crushed to form several mineral concentrates which can then be processed into pure metals in our smelters. Production We produce copper, lead, nickel and zinc concentrates.

Get Price

Copper-Nickel ores - Danafloat

Copper-Nickel ores. Pentlandite ( (Ni,Fe)S) is the most important nickel sulphide mineral and is often associated with nickel-containing pyrrhotite and chalcopyrite. Gangue minerals can include talc and other troublesome silicates which must be dispersed and/or depressed. elevated pH using soda ash.

Get Price

Method for obtaining cobalt and nickel from ores and

Especially when iron-containing copper and nickel ores are used, only incomplete leaching has been possible to date. It is the object of the invention to provide an improved process for extracting cobalt and nickel and other metals from arsenosulfidic and/or sulfidic ores or ore concentrates. This object is achieved by a process in which

Get Price

Gold Ore Roasting Techniques - 911 Metallurgist

2016-7-14  Recover Gold by Roasting Pyrite Ore. ... (see page 305), it is floated in Fagergren cells using reagent 301, copper sulphate, and pine oil. The concentrates are thickened, filtered on a drum filter provided with a flapper (see page 120), and fed by

Get Price

Roasting (metallurgy) and similar topics

Topics similar to or like. Roasting (metallurgy) Process of heating of sulphide ore to a high temperature in presence of air. 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. Wikipedia.

Get Price

sulphatising roasting of nickel concentrate

2013-3-30  Roasting of copper and nickel ore and ore concentrates. Gulin supply Mining and construction equipment for mineral handling. The crushing, screening, washing

Get Price

BENEFICIATION OF COPPER Et NICKEL ORES

2011-8-5  Till recently there are no specific nickel ore deposits in India but the copper ores in Singh-bhum Dist., of Bihar contain minor quantities of nickel contributed by the nickel sulphides like, ... concentrates analysing respectively 0.166% Ni with 28.8% Ni distribution and 0.047% Ni with

Get Price

NICKEL AND COBALT RECOVERY FROM MESABA

2015-11-20  The mineralogy of the Mesaba ore does not allow for effective production of separate copper and nickel concentrates, however, a low grade bulk concentrate may be produced with reasonable copper and nickel recoveries. Due to the capability of the CESL Process to handle bulk concentrates, Teck

Get Price

Concentrate - Boliden

The ore is crushed to form several mineral concentrates which can then be processed into pure metals in our smelters. Production We produce copper, lead, nickel and zinc concentrates.

Get Price

Copper Nickel Sulfide Ore And Nickel Oxide Ore

copper ore and nickel ore low grade refine process. The new exemptions are lowgrade nickel with content below percent, washed copper concentrates, and washed bauxite. Recent history. The 2009 mining law contemplated that all raw ore processing should be conducted onshore, which naturally evolved into a ban on raw ore exports, and a

Get Price

[PDF] Sulphating roasting of copper-cobalt

Corpus ID: 54191970. Sulphating roasting of copper-cobalt concentrates @article{Guentner2012SulphatingRO, title={Sulphating roasting of copper-cobalt concentrates}, author={J. Guentner and J. Hammerschmidt}, journal={Journal of The South African Institute of Mining and Metallurgy}, year={2012}, volume={112}, pages={455-460} }

Get Price

TACKLING IMPURITIES IN COPPER CONCENTRATES

2017-8-21  found in copper and nickel concentrates as well. One considers a “typical” copper concentrate as having about 25+% copper and some minor quantity of impurities, preferably rich in precious metals. In practice, smelters purchase all variety of concentrates and blend them to provide a suitable feed for their operations.

Get Price

Gold Ore Roasting Techniques - 911 Metallurgist

2016-7-14  Recover Gold by Roasting Pyrite Ore. ... (see page 305), it is floated in Fagergren cells using reagent 301, copper sulphate, and pine oil. The concentrates are thickened, filtered on a drum filter provided with a flapper (see page 120), and fed by

Get Price

COPPER Copper production - TU Delft

2008-12-16  Generally, copper extraction follows the sequence (see Figure below): 1. Beneficiation by froth flotation of ore to give copper concentrate (Optional partial roasting to obtain oxidized material or calcines) 2. Two-stage pyrometallurgical extraction 1. smelting concentrates to matte 2. converting matte by oxidation to crude (converter or ...

Get Price

Control Of Sulfur Oxide Emissions From Primary Copper ...

2018-6-13  Combined roasting and sintering of ore concentrates is practiced at the Blackwell, Okla., smelter of the Blackwell Zinc Co., using a modification of the Robson process.6C-8C The operation is carried out on a downdraft sintering machine. The offgases are discharged to the atmosphere and a high concentration of SO2 in the waste gas is not desired ...

Get Price