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Microscopic and microprobe studies indicate that the recoverable copper is in the form of matte, chalcocite, and metallic copper; the percentage of copper in particles appearing to be copper-free was from 0.23 – 0.54%. eratory slag from the White Pine slag dump and most probably represents a wide variation in slag composition.
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, ii cleaning of smelting andor converter slags in electric furnaces and iii flotation.Metallic copper and sulphide copper present in these slags can be floated very.
The production of copper in the flash smelting process is accompanied with a large amount of copper-rich slag, which has to be treated with the aim of copper recovery, SO 2 from sulphur …
It was found that recovery was also affected by the cooling rate of molten slag, and increased up to 84% when the slag was cooled slowly. Introduction Generally, copper losses in reverberatory slags are either chemical or mechanical. Most of the copper loss is mechanical, mainly in the form of matte drops (Biswas and Davenport, 1980).
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. equipment used in the recovery of iron from copper slag copper ...
Slow cooling of the molten slag (in the range of 1300–900 °C) increases the copper recovery considerably (about 85%), and can also reduce the comminution time to less than 30 min. References Altundogan and Tümen, 1997 H.S. Altundogan, F. Tümen Metal recovery from copper converter slag by roasting with ferric sulphate
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Copper grinding machine 1m x 1300.As a leading global manu Machinery For Recovering Copper From Furnace Slags The slag is tapped from the furnace and stored or discarded in …
Using converter slag from a nickel-copper plant, tests were carried out, in 1990, on a 100 kVA furnace (operated at 30 kW) and on a 200 kVA furnace (operated at 85 kW), at low additions of reductant (in order to minimize the reduction of iron). The slag had a composition of Co: 0.45%, Cu: 3%, Fe total : 47%, Ni: 3.5%, and S: 3%.
Recovery Of Copper From Reverberatory Furnace Slag By Flotation Prompt : Caesar is a famous mining equipment manufacturer well-known both at home and abroad, major in producing stone crushing equipment, mineral separation equipment, limestone grinding equipment, etc.
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...
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Machinery For Recovering Copper From Furnace Slags Ausmelt isasmelt matte smelting part two total. One of the additional uses of ausmelt technology is to allow for the recovering of copper from non-sulfide materials, particularly slags and sludges its ability to control air and fuel inputs means that conditions can be changed from oxidizing to ...
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 15, the melts in the …
Feb 03, 2021 0183 32 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 …
Recovery of Copper from Copper Smelter Slag copper slag furnace slag copper. gravity separation of copper slag and Slag pulverizer machines. Get Price; copper slag recovery ventaskgroup. Products sarralle Electric Arc Furnaces Sep 29, 2013 copper slag recovery equipment Gold ore mining equipment manufacturer, crushing and grinding, Get Price
Recovery of copper in concentrates from slags cooled in the induction furnace and ground for 30 minutes ranged from 87.1 to 96.2 percent with the best recovery obtained on the highest grade slag sample.
For the purpose of recovering Cu and Co an arc melting furnace has been designed and developed. The alloy obtained from the arc furnace is leached by sulphuric acid and precipitated by H 2 S. Magnetic iron oxide is produced from the leachate using FeSO 4, geothite precipitation, dehydration, reduction and reoxidation.
Steel Slag Recovery For Iron. UDC 669 . 054 . 82 669 . 184 . 244 . 66 Processing and . Iron and steel ("Iron/steel") slag is a by-product of manufactur-ing iron/steel products.1) Almost all iron/steel slag generated in the course of iron/steel manufacture is effectively used in multiple ways, such as a raw material for cement, a road base course materi-al, a civil engineering, …
The grinding method copper slag furnace slag copper SCM machine in gold processing plant, ... Author: Carter Green. Recovery of Copper from Reverberatory Copper Slag . ... Recovery of copper from copper slag and copper slag flotation tailings 75by oxidative leaching Table 1. Chemical compositions of the copper smelter slag and the slag ...
Pyrometallurgical production of copper generates two slags smelting furnace slag and converter slag which contain cu and 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,
A two-stage reduction process was also employed to study the efficiency of copper recovery. The results were compared with those of single-stage reduction. The maximum recovery of copper in alloy phase was obtained with 5% (by weight) initial carbon in the feed, 2% (by weight) CaO addition to the slag and a reducing temperature of 1573 K.
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 …
The products of flash furnaces are matte of 45 to 65 percent copper molten slag containing iron oxides plus gangue and flux oxides and offgas. The slag typically contains as much as two percent copper. This slag can be recycled to the flash furnace or its copper content can be recovered in a slag cleaning furnace often electric. The flash.
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Recovery of copper in concentrates from slags cooled in the induction furnace and ground for 30 minutes ranged from 87.1 to 96.2 percent with the best recovery obtained on the highest grade slag sample. Copper …
Sarrafi et al. (2004) found that 72% copper recovery could be achieved using mercaptobenzothiazole (MBT) as collector from a reverbaratory smelter slag containing a total copper of 1.15%....
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equipment for recovering copper from furnace slags equipment for recovering copper from furnace slags Pyrometallurgical production of copper generates two sHow to Recover …
Patent US3857699 Process for recovering non ferrous . The process includes selectively extracting metal values such as molybdenum and copper from ferrosilicate slags containing less than 5 percent by weight magnetite …
equipment for recovering copper from furnace slags,equipment for recovering copper from furnace slags. There are forty years of manufacturing history, with three major production
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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… 7 Synergistic reutilization of red mud and spent pot lining for recovering valuable components and stabilizing harmful element Wuming Xie, Fengping Zhou,
The optimum condition for flotation of the reverberatory furnace slag at Sarcheshmeh Copper Complex is as follows : pH=11.5; R407=30 g/t; solid in pulp=30%; …
Recovery of copper from smelting slag by sulphation . In this work extraction of copper and iron from a reverberatory furnace slag was studied A two-step extraction procedure was followed The first step was roasting of the slag in the presence of sulphuric acid at temperatures between 150 and 800 o C . Get Price
We have found by experiment. that the major portion of this copper may be recovered by blowingwsuitable reducing agents through the liquid ath of slag or liquid bath of slag and matte in...
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