Email Adddress: [email protected]

machinery for recovering copper from furnace slags

machinery for recovering copper from furnace slags

Machinery For Recovering Copper From Furnace Slags

equipment for recovering copper from furnace slags india ... Copper, Lead and Zinc Smelting and Refining. The slag is tapped from the furnace and stored or discarded in slag piles onsite. with the ore concentrates for copper ... Read more

Get Price

Recovery Of Copper From Reverberatory Furnace Slag

reverberatory furnace in the copper ... conditions which lead to maximum recovery of an element into the copper ... during the “flotation” through a layer of slag. crusher is used in the processing of granulated slag

Get Price

copper slag cleaning furnace - charlyshop.ch

machinery for recovering copper from furnace slags. The copper smelting furnace slag can be cleaned either in an electric an electric slag-cleaning furnace a new anode furnace gas-cleaning plant... Know More. Blast Furnace Services for Steel Mills TMS International.

Get Price

RECOVERY OF COPPER FROM SMELTING SLAG BY

2015-11-11  Pyrometallurgical production of copper generates two slags: smelting furnace slag and converter slag which contain 0.5-2% Cu and 2-8% Cu, respectively. The following three methods are generally utilized for recovering the copper from these slags on an industrial scale: (i) recycling of the converter slag to the smelting furnace,

Get Price

RECOVERY OF IRON FROM COPPER FLASH SMELTING

2015-9-7  decreasing copper to a lower content in the final metal phase. However, the copper content in the final slag decreases to a minimum value of 0.06% and the iron decreases from 28.53% to 7.11% with the increasing of coke addition sug-gesting that is possible recover most of the copper content in the slag in the metal phase.

Get Price

Recovery of Copper from Reverberatory Copper Slag and ...

2016-6-8  Slags are waste minerals produced during furnace smelting of minerals. The contained values of base metals may be released into the environment under natural weathering conditions polluting ground and underground water. Copper losses into slag are a continuous problem in pyrometallurgical smelting operations. Due to shortage of ore

Get Price

Recovery of copper from dump slag by a segregation

1992-2-1  RECOVERY OF COPPER FROM DUMP SLAG 135 The material in the rotary kiln was heated indirectly in an electric furnace. The segregation roasting of the copper dump slag was tested on a laboratory scale using a rotary kiln (Fig. 1).

Get Price

Economic and environmentally beneficial treatment of

2004-9-3  has been developed and implemented industrially for recovering cobalt from copper smelting slag in a DC arc furnace. The relatively non-leachable behaviour of glassy slags allows them to be used as a very safe means of disposal of metallurgical waste streams, including many

Get Price

Development of a Flowsheet for Recovering Copper and

2015-12-27  In the earlier studies on recovery of copper from Sarkuysan copper refining slags using pyro-hydrometallurgical method (sodium sulfate roasting-sulfuric acid leaching) only 65% of copper could be recovered (Yıldız et al., 2000). In this present study, in order to achieve better recoveries of Cu and Sn from refining slags, size reduction, flotation, and leaching tests were performed and results are given

Get Price

Analysis of Slag. The

the possibilities of recovering copper from the dump smelter slags. Direct leaching of copper with (i) ammoniacal solutions of ammonium carbonate and (ii) neutral ferric sulphate solutions was investigated but the recovery of copper was low. Sulphatising roast gave much better extraction and a recovery of 55-56% was obtained. The non-extractable

Get Price

equipment for recovering copper from furnace slags

performance characteristics of copper and a source of copper slag. these smelters recover copper from scrap copper of the coal or furnace slags is the . Get Price; machinery for recovering copper from furnace slags. equipment for recovering copper from furnace slags . the gulin product line, consisting of more thanmachines, sets the standard ...

Get Price

RECOVERY OF COPPER FROM SMELTING SLAG BY

2015-11-11  Pyrometallurgical production of copper generates two slags: smelting furnace slag and converter slag which contain 0.5-2% Cu and 2-8% Cu, respectively. The following three methods are generally utilized for recovering the copper from these slags on an industrial scale: (i) recycling of the converter slag to the smelting furnace,

Get Price

Recovery of Copper from Reverberatory Copper Slag and ...

2016-6-8  Slags are waste minerals produced during furnace smelting of minerals. The contained values of base metals may be released into the environment under natural weathering conditions polluting ground and underground water. Copper losses into slag are a continuous problem in pyrometallurgical smelting operations. Due to shortage of ore

Get Price

RECOVERY OF COPPER FROM COPPER SLAG AND

2014-9-8  Thus, the maximum copper and iron extractions achieved with the slag were 26.0% and 62.5%, respectively, as opposed to the slag flotation tailings where the maximum copper and iron extractions were 13.5% and 48.0%, respectively. Carranza et al. (2009) found that most of the copper-bearing species in slag flotation tailings were

Get Price

Analysis of Slag. The

recovering copper from slags and among the methods studied are: (i) Leach- ing the slag with arnmoniacal solutions, 7 (ii) Treatment of the molten slag with matte containing a small percentage of copper, 8 (Hi) Displacement of copper by fusion with metallic iron, 9 and (iv) separation of entrained sul-

Get Price

Characteristics and utilisation of copper slag—a

2003-11-1  Eq. (1) can also be used for recovering copper from converter slags. These slags are recycled to the smelting furnace where their oxide is sulfidised to Cu 2 S. Oxidised copper may be present in the form of CuO, CuSO 4, CuOCuSO 4 or CuOFe 2 O 3. These compounds also react to form Cu 2 S during smelting.

Get Price

Recovery of metal values from copper slags by

2007-2-1  The recovery of copper and cobalt from ancient copper slags from the Küre region of Turkey was investigated. A fayalitic-type of ancient copper slag containing 1.24% Cu, 0.53% Co and 53.16% Fe were subjected to an experimental study. Two different routes were followed to recover the metal values. The first route was roasting the slag with pyrite followed by leaching.

Get Price

PYROMETALLURGICAL RECOVERY OF COPPER

Process for recovering copper from molten converter-type slags or other highly oxidized copper smelter slags containing 7-30 percent by weight of magnetite (Fe 3 O 4 ). The magnetite in the slag is reduced with carbonaceous materials or other solid reductants. While the slag is mixed with a water cooled, metal-bladed mechanical stirrer, the ...

Get Price

Recovery of iron from copper slag by deep reduction

2013-11-20  Aiming at recovering iron from high-iron-content copper slag, this article introduced a combination technology of deep reduction and magnetic beneficiation, investigated the iron recovery efficiency and optimized the technical conditions. When coke powder with 86wt% fixed carbon was used as a reductant, iron was successfully extracted from the copper slag.

Get Price

Economic and environmentally beneficial treatment of

2012-2-7  Steel furnace slags emanate from a range of sources. Differences in slags from the various process units are due more to raw materials and desired final steel chemistry than Type of slag Annual world production Iron and steel slags 300 million tons Nickel slags (FeNi + sulphide) 15 million tons Copper slags 14 million tons (7 to 35)

Get Price

equipment for recovering copper from furnace slags

performance characteristics of copper and a source of copper slag. these smelters recover copper from scrap copper of the coal or furnace slags is the . Get Price; machinery for recovering copper from furnace slags. equipment for recovering copper from furnace slags . the gulin product line, consisting of more thanmachines, sets the standard ...

Get Price

copper slag cleaning furnace - charlyshop.ch

machinery for recovering copper from furnace slags. The copper smelting furnace slag can be cleaned either in an electric an electric slag-cleaning furnace a new anode furnace gas-cleaning plant... Know More. Blast Furnace Services for Steel Mills TMS International.

Get Price

RECOVERY OF COPPER FROM SMELTING SLAG BY

2015-11-11  Pyrometallurgical production of copper generates two slags: smelting furnace slag and converter slag which contain 0.5-2% Cu and 2-8% Cu, respectively. The following three methods are generally utilized for recovering the copper from these slags on an industrial scale: (i) recycling of the converter slag to the smelting furnace,

Get Price

Recovery of Copper from Reverberatory Copper Slag and ...

2016-6-8  Slags are waste minerals produced during furnace smelting of minerals. The contained values of base metals may be released into the environment under natural weathering conditions polluting ground and underground water. Copper losses into slag are a continuous problem in pyrometallurgical smelting operations. Due to shortage of ore

Get Price

Recover Copper in Smelter Dust - 911 Metallurgist

2017-8-5  The copper in cyclone and cottrell dust ranges widely (from 15 to 30 wt- pct) and accounts for 3 to 10 pct of the copper fed to the primary melting furnace. With improved dust recovery systems, only about 0.5 pct of the copper charged to the smelter is lost by dust entrainment in the smelter gas, and 1 to 2 pct is lost in the waste slags.

Get Price

Recovery of copper, cobalt, and zinc from copper

2002-12-1  A study on the recovery of copper, cobalt, and zinc from copper smelter and converter slags by roasting with sulfuric acid has been conducted. Acid roasting of slags followed by hot water leaching was carried out to bring the metal values into solution. In the leaching experiments, the effects of roasting time, acid/slag ratio, roasting ...

Get Price

RECOVERY OF COPPER FROM COPPER SLAG AND

2014-9-8  Thus, the maximum copper and iron extractions achieved with the slag were 26.0% and 62.5%, respectively, as opposed to the slag flotation tailings where the maximum copper and iron extractions were 13.5% and 48.0%, respectively. Carranza et al. (2009) found that most of the copper-bearing species in slag flotation tailings were

Get Price

(PDF) Recovery of metal values from copper smelter

Slags discarded in copper plants con- tain significant amounts of copper and other valuable metals. Copper recovery is generally achieved by pyrometallurgical routes. For ex- ample, re-cycling converter slags with high copper content to the reverbera- tory furnace, or using a separate slag refining furnace.

Get Price

US4110107A - Process for reducing molten furnace

A process is provided for recovering metals from metal-containing slags such as iron-copper slags from copper smelting furnaces and iron-nickel slags produced in smelting nickel-bearing ores. The molten slag is fed to an electric-arc furnace wherein a molten metal bath is formed. A carbon injection unit, including an injector tube which is inserted into the furnace, is used to inject carbon ...

Get Price

Reductive-sulfurizing smelting treatment of smelter slag ...

2017-12-29  valuable metals must base on recovering both the entrapped matte and the dissolved oxides. 2.2 Methods The reductive-sulfurizing smelting treatment of copper-cobalt smelter slag was carried out under Ar atmosphere in a vertical MoSi 2 tube furnace. As an experimental procedure, 200g smelter slags were mixed with the given amount of coke and pyrite

Get Price

Recovery of Copper from Reverberatory Copper Slag and ...

2016-6-8  Slags are waste minerals produced during furnace smelting of minerals. The contained values of base metals may be released into the environment under natural weathering conditions polluting ground and underground water. Copper losses into slag are a continuous problem in pyrometallurgical smelting operations. Due to shortage of ore

Get Price

A Process For Recovering Copper From Copper

This invention relates to a process for the recovery of copper from converter slags. Converter slag is treated with pig iron under oxidative conditions to release entrapped copper therefrom. This mixture is allowed to settle. Copper separated is removed and may be refined subsequently. Valuable

Get Price

RECOVERY OF COPPER FROM COPPER SLAG AND

2014-9-8  Thus, the maximum copper and iron extractions achieved with the slag were 26.0% and 62.5%, respectively, as opposed to the slag flotation tailings where the maximum copper and iron extractions were 13.5% and 48.0%, respectively. Carranza et al. (2009) found that most of the copper-bearing species in slag flotation tailings were

Get Price

Recover Copper in Smelter Dust - 911 Metallurgist

2017-8-5  The copper in cyclone and cottrell dust ranges widely (from 15 to 30 wt- pct) and accounts for 3 to 10 pct of the copper fed to the primary melting furnace. With improved dust recovery systems, only about 0.5 pct of the copper charged to the smelter is lost by dust entrainment in the smelter gas, and 1 to 2 pct is lost in the waste slags.

Get Price

Copper Smelter project - EnCata

Copper Smelter project. Multiphysical computer simulations project of the industrial copper furnace (Vanyukov type) and it’s engineering optimization for liquid phase bubbling of slags and fume exhaust system. The results were the foundation for further plant modernisation. Our research and calculations allowed to reduce dramatically the ...

Get Price

Development of a Flowsheet for Recovering Copper and

2015-12-27  1990). Pyro-hydrometallurgical methods are also used for the treatment of copper converter flue dusts and copper refining slags (taken from Sarkuysan A.S., Turkey) (Geveci et al., 2000; Yıldız et al., 2000). Alkali roast-acid leach process is reported in the literature for recovering metals from converter slag (Das et al., 1999).

Get Price

Reductive-sulfurizing smelting treatment of smelter slag ...

2017-12-29  valuable metals must base on recovering both the entrapped matte and the dissolved oxides. 2.2 Methods The reductive-sulfurizing smelting treatment of copper-cobalt smelter slag was carried out under Ar atmosphere in a vertical MoSi 2 tube furnace. As an experimental procedure, 200g smelter slags were mixed with the given amount of coke and pyrite

Get Price

Metals Special Issue : Metal Recovery and Separation ...

For example, the yield of copper slag, lead slag and ferronickel slag each year worldwide reaches nearly 70 million tons, 5.5 million tons and 150 million tons, respectively. In China, the amount of furnace slag, steel slag and ferroalloy slag produced annually is about 260 million tons, 120 million tons and 10 million tons, respectively.

Get Price

Copper Smelting Process - Furnaces Used, By

2010-4-9  Modern copper smelters use processed copper ore fed into a flash furnace, typically fired by oxygen which produces blister copper, being further processed in a converter furnace. Molten copper is poured from here into rectangular moulds, the resulting ingots subjected to electrolysis producing a metal of 99.9% purity. Copper

Get Price

The application of Ausmelt technology to base metal ...

2009-8-26  furnace capital cost is usually lower than for most other furnace designs for similar throughput. As a broad indication the following specific throughput ranges apply to the smelting of a typical copper sulphide concentrate. Tons/day/m2 of hearth Reverberatory furnace 4–83,4,5 Flash furnace 9–125 Ausmelt furnace 50–1006

Get Price