copper recovery from slag in china

Wastes as resources update on recovery of valuable metals

Copper production from sulphide minerals generates massive amounts of slag as final waste of the pyrometallurgical process Dumping the slag nearby the smelter plant has been the common practice and currently it is produced in a proportion of 22 ton of slag per ton of blister copper and is granulated to facilitate the transportation and final disposal...

The Recovery of Copper from Smelting Slag by Flotation

Feb 08 2017 0183 32 Abstract Aiming at the recovery of copper from smelting slag a flotation approach was studied It was found that this slag composed of fine particles with complex association and distribution in which bornite was the main copper-bearing mineral after a detailed mineralogy analysis via polarizing microscope SEM and XRD...

Enhancing the flotation recovery of copper minerals in

Jan 01 2020 0183 32 The results in Figure 11 show that FC7245 consistently caused greater increase in the Cu recovery after regrinding with about 10 increase for TSL slag 165 for converter slag and about 15 for mixed slag FC4146 caused a 4 increase for TSL slag about 13 for converter slag and about 15 increase for mixed slag...

Copper Slag Manufacturers China Copper Slag Manufacturers

China Copper Slag Manufacturers Copper Slag Manufacturers from China Supplier - Find Variety Copper Slag Manufacturers from copper slag price copper slag copper slag grit Abrasives Suppliers Located in China Buy Copper Slag Manufacturers Made in China on Alibaba...

Copper extraction

Copper can be lost from the matte in three ways as cuprous oxide Cu 2 O dissolved in the slag as sulfide copper dissolved in the slag or as tiny droplets or prills of matte suspended in the slag The amount of copper lost as oxide copper increases as the oxygen potential of the slag increas...

Recovery of copper from copper slag and copper slag

Request PDF Recovery of copper from copper slag and copper slag flotation tailings by oxidative leaching Copper smelter slag and copper smelter slag flotation tailings were leached using...

Recovery of Copper from Slow Cooled Ausmelt Furnace Slag

The recovery of copper by floatation from slow cooled Ausmelt furnace slag was studied in this paper The phases and composition of the slow cooled slag were analyzed The factors which affected the copper recovery efficiency such as grinding fineness pH value of flotation medium different collectors and floating process were investigated...

US3666440A

copper is recovered from copper-containing slag by putting the matte and slag in a molten state together in a slag treating furnace at a volume ration of more than 1 5 the melts in the furnace being maintained under agitation so that the slag and matte are in intimate contact so as to efficiently transfer copper from the slag to the matte...

Recovery of copper and cobalt from ancient slag

Apr 01 2006 0183 32 About 25 million tonnes of copper smelter slag are available in Küre northern part of Turkey This slag contains large amounts of metallic values such as copper and cobalt A representative slag sample containing 098 Cu 049 Co and 5147 Fe was used in the experimental studi...

China Slag Copper China Slag Copper Manufacturers and

A wide variety of slag copper options are available to you such as not powder You can also choose from metal copper / copper alloy As well as from rubber And whether slag copper is copper There are 1 556 slag copper suppliers mainly located in Asia The top supplying country or region is China which supply 100 of slag copper respectively...

Iron Recovery from Discarded Copper Slag in a RHF Direct

At present copper production in China mainly comes in a pyrometallurgical process Generally for one ton of copper 22 tons of discarded copper slag is generated and in China the amount of discharging copper slag exceeds 10 million tons per year with the accumulated amount of copper slag over the years exceeding 120 million tons Iron can reach about 48 million tons in this copper...

China Copper Slag Copper Slag Manufacturers Suppliers

Sourcing Guide for Copper Slag China manufacturing industries are full of strong and consistent exporters We are here to bring together China factories that supply manufacturing systems and machinery that are used by processing industries including but not limited to cooled copper launder slag launder copper cooling launder...

WO2015143574A1

The invention relates to a method for recovering copper Mo Fe Pt Au Ag Zn Ni Sn Co U Re Ge Se rare earth metals and any other metal from the Periodic Table of the Elements present in the slag content obtained from the slag produced by copper smelting such as in the fusion and conversion of slag from reverberatory furnaces and especially the Teniente converter and Pierce-Smith...

Recovery of Copper from the Slag of Khatoonabad Flash

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 consumption and maximum recovery of copper...

Iron Recovery from Discarded Copper Slag in a RHF Direct

Studies on the direct reduction of carbon-bearing pellets made from discarded copper slag have been conducted in this paper They include the influences of reduction coal content limestone content industrial sodium carbonate content reduction temperature reduction time and layers of carbon-bearing pellets on reduction effect Finally the optimum conditions have been obtained...

China Copper Recovery System Copper Recovery System

China Copper Recovery System manufacturers - Select 2021 high quality Copper Recovery System products in best price from certified Chinese Rechargeable Battery manufacturers Solar Battery suppliers wholesalers and factory on Made-in-China...

PDF Biorecovery of copper from converter slags Slags

This is a considerable amount of copper very much higher than those of many or The high content in copper requires a treatment for Cu recovery Slag cleaning is not only necessary because of economical reasons but also because of environmental implications Baghalha et al 2007...

Recovery of cobalt from converter slag of Chambishi Copper

Sep 01 2011 0183 32 The reduction smelting process for cobalt recovery from converter slag of the Chambishi Copper Smelter in Zambia was studied The effects of reducing agent dosage smelting temperature and time and the addition of slag modifiers CaO and TiO 2 were investigatedIn addition the depleted slag and cobalt-bearing alloy were characterized by X-ray diffraction scanning electron microscopy and...

PDF Recovery of Cobalt from Copper Converter Slag by a

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

China Copper Slag Sandblasting Abrasives Chilled Iron Grit

Copper slag is a by-product created during the copper smelting and refining process As refineries draw metal out of copper ore they produce a large volume of non-metallic dust soot and rock Product parameters Three types of grits as below 1 GP grits with normal hardness ranging from 42-50 HRC The edges diminish with time...

Processing of copper converter slag for metal reclamation

Processing of copper converter slag for metal reclamation Part I Extraction and recovery of copper and cobalt Deng T 1 Ling Y Author information 1 Institute of Process Engineering Chinese Academy of Sciences Beijing PR China dengt111 163 Clean processing of copper converter slag to reclaim cobalt and copper could be a challenge...

Characterization and recovery of copper values from

Slag contains about 05 to 21 copper and was traditionally deposited as the waste material 2 3 4 5 However today s demand for copper is such that the slag of about 1 copper is considered...

PDF Secondary copper processing using Outotec Ausmelt

Secondary copper recovery is attracting increasing interest because of the growth of copper containing waste including e-waste The pyrometallurgical treatment in smelters is widely utilized but...

Recovery of Copper from Slow Cooled Ausmelt Furnace Slag

Ausmelt furnace slag contains about 09 Cu mass With increasing the amount of Ausmelt furnace slag the recovery of copper from it will produce an enormous economic yield The recovery of copper by floatation from slow cooled Ausmelt furnace slag was studied in this paper The phases and composition of the slow cooled slag were analyzed...

Effect of Cooling Rate and Slag Modification on the Copper

Jul 31 2020 0183 32 The amount of copper flash smelting slag has increased during the recent years along with an increasing slag-to-metal ratio During slag tapping some copper sulfide is mechanically entrained As a result it is necessary to recover copper matte from the slag by suitable methods At present the most common way is slow controlled cooling in a transfer ladle...

Efficient removal of arsenic from copper smelting

Oct 10 2020 0183 32 Copper slag was the tailing produced after crushing flotation and sieving treatments for the copper recovery from copper-enriched slag from converter As the chemical composition summarized in Table 2 the copper slag contains abundant iron oxides with a weight percentage of 5625 and total percentages of alkali metal oxides eg MgO K 2...

US3868440A

A hydrometallurgical process for treating slag material especially copper smelter slag material comprises vigorously mixing the slag material with about one part by weight of sulfuric acid and about one part by weight of water for each part by weight of the slag material and allowing the resulting mixture to react to produce a dry solid material containing the metal values of the slag in...

Copper price soars on China s recovery and go

Oct 26 2020 0183 32 The copper price reached 7 000 per tonne on Wednesday its highest price since June 2018 on China s burgeoning demand for the industrial metal as the country s economy recovers from a pandemic-induced slowdown Thanks to resurgent sales in China the value of copper has risen by 12 percent this year The Times reported Monday...

Copper imports in China surged in 2020 as its economy

Jan 19 2021 0183 32 China saw record levels of copper imports last year powering an economic recovery that put it in position to continue to grow in H1 2021...

PDF Recovery of metal values from copper smelter slags

Pressure leaching of copper converter slag using dilute sulphuric acid for the extraction of cobalt nickel and copper valu Hydro- metallurgy 10 305-312 4 Anand S Kanta Rao P and Jena PK 1980 Recovery of copper nickel and cobalt from copper converter slag through ferric chloride leaching Hydrometallurgy 5 355-365...

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