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Copper Recovery from Reverberatory Slag - 911 Metallurgist

Feb 08, 2019· The plant flowsheet utilized a dual-density heavy media drum and jigging to recover the chunk and "BB" sized prill matte following wet screen sizing for media preparation. Coarse slag, -1″ x 4 mesh, is treated in a 3-product Wemco heavy media system yielding a coarse final concentrate, a copper-enriched middling and a reject tailing.

THE SUBMERGED ARC FURNACE (SAF) STATE OF ART IN …

Cobalt-Recovery from Copper-Smelter-Slags6 In January 2001, Chambishi Metals commissioned a 40 MW DC arc furnace using selective carbothermic reduction for processing reverberatory furnace slag stockpile of 20 million tons containing 0.34 to 4.5% cobalt, and an average of 1.1% copper.

Enhancing the flotation recovery of copper minerals in ...

Jan 01, 2020· The slags produced from the NCS furnaces (TSL furnace, copper converter, reverberatory furnace) contain copper ranging between 0.8 to 5% w/w. Due to this high content of copper, the slags are milled and floated to recover the copper. The main drawback in the current process is that the final flotation tailings grades are in excess of 0.9% Cu.

COBALT RECOVERY FROM SOUTHERN AFRICAN COPPER …

environmental acceptability. This paper examines the potential for cobalt recovery from slags, and outlines various process options. KEYWORDS . Africa, Cobalt, Copper, Furnace, Hydrometallurgy, Pyrometallurgy, Recovery, Slag, Smelter . INTRODUCTION . Cobalt has had a number of important uses in society since antiquity, and its principal use has

Recovery of Copper from Copper Blast Furnace Slag ...

Secondary copper blast furnace slag was treated with carbon to derive the conditions for maximum recovery of copper with minimum simultaneous reduction of iron oxide.

「flotation of copper slag in kabul」

copper slag flotation chuquicamata. Major Mines &Projects Chuquicamata Mine. 24, 2017· The concentrator contains a separate circuit for recovery of copper from the onsite smelter slag Slag can contain between 8 and 10% Cu and is sent to its own process line containing a SAG mill two ball mills, and floatation circuit The Chuquicamata mines smelting process involves two …

Factors influencing base metal recovery from waste ...

The pyrometallurgical recovery of cobalt from waste copper slags is one of the recent advancements in nonferrous extractive metallurgy. The most recent technologies apply DC Plasma arc furnace technology to recover nonferrous metals. This technology has come with its challenges in both equipment configu-ration and the optimization for maximum

Top Blown Rotary Converter (TBRC)-Pyrometallurgy-

Top Blown Rotary Converter (TBRC) TBRC is an advanced smelting equipment for treating anode slime, WEEE, non-ferrous metal smelting slag and setting slurry to recover gold, silver and other precious metal. It can also treat copper concentrate and secondary material like scrap copper, scrape lead, lead slag, lead dust, etc. The furnace is ...

Shaft Furnace-Pyrometallurgy- - Metalcess

With shaft furnace, anode furnace is liberated from spent copper anode scrap melting and the energy consumption required by shaft furnace is less than anode furnace. Metalcess recommends shaft furnace for melting spent copper anode scrap and casting to anode. Energy consumption (LNG) is about 90m3/t. copper. Maximum melting capacity: 8-25t/h.

Henan Mining Machinery and Equipment Manufacturer - Copper ...

In this way, iron contained into slag, using an adequate treatment to ... to recover copper, molybdenum and iron from copper slag. gravity separation of copper slag and Slag pulverizer machines A process for separating iron from copper slag is ... 2013 copper slag flotation plant Quarrying ... and specic gravity and may be recovered for uther ...

Lead, blast-furnace smelting slags - Big Chemical Encyclopedia

Lead, blast-furnace smelting slags Zinc Zinc is processed very similarly to copper and lead. The zinc is bound in the ore as ZnS, sphalerite. Zinc is also obtained as an impurity from lead smelting, in which it is recovered from the blast furnace slag. The lead concentrate must he roasted for effective removal of sulfur and then smelted in a blast furnace.

Recover Copper in Smelter Dust

Aug 05, 2017· Carbothermic reduction of a commercial smelter dust resulted in the recovery of 95 pct of copper, over 80 pct of arsenic and antimony, and over 50 pct of bismuth and tin in the combined metallic copper and matte production. Copper recovery improved as the weight ratio of FeO to SiO2 in the slag approached 1.7.

China Fire Refining Chemical Reagent Manufacturers ...

CHMM is one of the most professional fire refining chemical reagent manufacturers in China, specialized in providing high quality customized products with low price. Please feel free to buy discount fire refining chemical reagent from our factory. Contact us for quotation.

Precious metal recoveries in secondary copper smelting ...

Dec 31, 2019· The residual aluminum in secondary copper feed entering the furnace will have an influence on the slag properties and, therefore, on the success of the entire copper smelting process. The black copper smelting process includes reduction and oxidization smelting stages carried out in either order at the same furnace or consecutive furnaces, such ...

NICKEL RECOVERY FROM ELECTRIC ARC FURNACE SLAG BY …

During the pyrometallurgical treatment of the nickel-bearing laterite in the plant of G.M.M. S.A. LARCO, slag is produced after treatment in electric-arc furnace (EAF) that contains 0.10 to 0.20 % Ni. Taking into account the great quantity of slag produced per year, the recovery of nickel from the EAF slag will add benefits to the entire process.

Recovery of copper from reverberatory furnace slag by ...

The recovery of copper from reverberatory furnace slag utilizing flotation has been studied. The effective factors such as particle size, pH, the amount and …

Copper Smelting - Metallurgist & Mineral Processing Engineer

Jan 13, 2021· The best recovery was from the COS furnace overflow slag cooled at room temperature (72 percent recovery with 48 percent copper grade). The most pronounced effect upon copper recovery is cooling rate. The addition of lime to produce a more fluid slag did not result in better copper recovery by flotation.

Recovery of Copper from the Slag of Khatoonabad Flash ...

Jun 05, 2013· Copper loss in the slag of Khatoonabad flash smelting furnace is estimated to be about 1–3 %. At present, the electric slag cleaning furnace is used for the recovery of copper from slag. However, due to low recovery efficiency of electric furnace along with high consumption of electrical energy and water, selection of a method to enable minimum energy …

Furnace Slag Recycking Equipment

Equipment for recovering copper from furnace slags machinery for recovering copper from furnace slags equipment for recovering copper from furnace slags lag crushing and recovery machine euro-pilotprocess and equipment for the recovery in addition to slag recovery, the liquid furnace slag and ladle slags get price.

EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN THE …

Efficiency of copper recovery from a slag in an electric furnace depends on number of factors. The furnace dimensions play significant role, determining slag circulation pattern and velocity, mass transfer onto slag/coke and slag/electrodes reaction surface, inclusions coalescence and settling, and heat losses.

(PDF) Recovery of metal values from copper slags by ...

The recovery of copper and cobalt from ancient copper slags from the Küre region of Turkey was investigated. A fayalitic-type of ancient copper …

"PROCESSING OF SLAGS OF COPPER MANUFACTURING WITH THE USE ...

The recovery of copper, by flotation, from calcium-ferrite-based slags made in continuous pilot plant smelting trials// Miner. Eng., 2004. 17.P. 495–504 [CrossRef]./ Mawejaa K.; Mukongob T.; Mutomboc I. Cleaning of a copper matte smelting slag from a water-jacket furnace by direct reduction of heavy metals// J. Hazard.

PROCESS FOR RECOVERING NON-FERROUS METAL VALUES …

For example, copper converter slag can be treated by the process of the present invention; however, because of the high concentration of copper in converter slags, it is preferable to first remove a percentage of copper by the process disclosed in a co-pending patent application entitled, "Pyrometallurgical Recovery of Copper Values from ...

Copper Loss in Slag - ResearchGate

An innovative method was devised to improve copper recovery and operational efficiency of the Cu converter slag-cleaning furnace, by utilising both carbon and fluoride values of an otherwise ...

12.9 Secondary Copper Smelting

Smelting of low-grade copper scrap begins with melting in either a blast or a rotary furnace, resulting in slag and impure copper. If a blast furnace is used, this copper is charged to a converter, where the purity is increased to about 80 to 90 percent, and then to a reverberatory furnace, where copper of about 99 percent purity is achieved.

US3857699A - Process for recovering non-ferrous metal ...

The process includes selectively extracting metal values such as molybdenum and copper from ferrosilicate slags containing less than 5 percent by weight magnetite (Fe3O4) into a molten immiscible metal sulfide matte. After the matte-slag extraction step, the metal bearing matte is oxidized. Thereafter, the oxidized matte is leached to dissolve the metal values.

How to Recover Copper from Slag by Flotation

Feb 03, 2021· Slags produced in the converter are too high in copper to be sent to the dump and are returned to the reverberatory furnace for recovery of most of the copper. This method for re-treating converter slag, although simple, complicates the operation of the reverberatory furnace and contributes significantly to loss of copper in the reverberatory slag.

Slag PM – Recovery Precious Metals from Old Slag

A. Slag is the glass-like by-product left over after a desired metal has been separated from its raw ore. While slags are generally used to remove waste in metal smelting, they can also serve other purposes, such as assisting in the temperature control of the smelting, and minimizing any re-oxidation of the final liquid metal product before the molten metal is removed from the furnace …

steel recovery process from slag powder

Steel Slag Cone Crusher Used - gnanaratnatrust.org. steel recovery process from slag powder Mining Machinery. 10 body roller flour mill, gold,copper,iron ore crushers. grizzly feeder steel ... slag crusher aluminum recovery - musclechemistryreview.co.za

NIOSHTIC-2 Publications Search - 10007786 - Recovering ...

The Bureau of Mines is investigating pyrometallurgical and chemical methods to recover valuable constituents from metallurgical dusts and slags. Under this program a technique was developed to recover iron from molten copper smelting furnace slags by carbon injection. Slags from gas-fired reverberatory and electric copper smelting furnaces were treated in an 800-kva electric …

Enhancing the flotation recovery of copper minerals in ...

submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags. The copper content of the slags range between 0.8 to 5 wt. % and this is considered too high for disposal to the environment. Currently, the slags are sent to a milling and flotation plant for liberation and recovery of residual copper ...

Efficient Recovery of Copper and Cobalt from the Matte ...

Aug 24, 2018· During ISA copper smelting process, ISASMELT furnace discharges a large amount of matte and slag mixture and the separation of them has an important influence on the recovery of valuable metals. This paper presented a reduction-sulfurization sedimentation process for recovering copper and cobalt from the matte–slag mixture of ISA furnace. …

(PDF) Recovery of Copper from the Slag of Khatoonabad ...

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 ...