high efficiency copper flotation from converter slags

OF AN IDEAL SMELTER

Dec 1, 1990 ... instantly, producing a high grade matte of around 68% copper and silicate ... the Mitsubishi S-furnace one of the most efficient and compact ... tonnage of converter slag (carrying about 14% copper) overflows .... Slag flotation.

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Research on New High Efficiency Recovery Process for Complex ...

These results show that the converter copper slag from Hubei, China, ... and collector dosages have been determined through the flotation condition tests. ... on New High Efficiency Recovery Process for Complex Refractory Copper Slag...

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Recovery of cobalt from converter slag of Chambishi Copper ...

Key words: converter slag; cobalt recovery; reduction smelting; slag modifier; ... slag followed by milling and flotation, are inappropriate ... Reduction smelting is an efficient process for cobalt ... Its high copper content may contribute to the.

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Management of copper pyrometallurgical slags: giving ... - SAIMM

invest in new technologies regarding efficiency and clean processes. An approach to ... the classical processes of flotation and pyrometallurgical extraction. Seven copper ... higher absorption capacity than air-cooled copper slag. The granulated ... flash smelting furnace, Teniente converter, Peirce-Smith converter, Anode...

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Improving Beneficiation of Copper and Iron from Copper Slag by ...

Apr 14, 2016 ... recovery of iron from copper flotation slag, more prior works focused ... separation process is the route to convert the metals into a desired phase, ... If the high temperature slag treatment process is applied to molten slag, .... The experimental results were evaluated by modification efficiency and phase.

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Dissolution of Valuable Metals from Nickel Smelter Slags by Means ...

high pressure oxidative acid leaching (HPOXAL) was investigated in this work. Crystalline .... Table A.3 Cu content (%) in various converter slags. 87. Table A.4 .... smelting more efficient and environmentally friendly; but despite the progress achieved, ... excess of iron sulphides, milled ores are subjected to froth flotation.

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Research of Laws Pyrite-Bearing Slag Flotation of Copper Melting in ...

efficiency of the flotation to extract copper from the slag not in the alkaline environment, as it is usual-ly in enterprises, but in the ... 45-60% on average from the dump and 76% of the converter .... High alkaline pH environment created 12-13.

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Copper extraction techniques - Wikipedia

Copper extraction techniques refers to the methods for obtaining copper from its ores. .... To improve the process efficiency, lime is used to raise the pH of the water bath, ... In general, froth f...

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Copper recovery - InfoMine

Aug 1, 2009 ... its efficient use is so critical in copper recovery it is always worth ... water for flotation and other flotation advances, tankhouse management and...

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Leaching Oxide Copper - The Arizona Geological Survey

Dec 31, 1971 ... G. H. Roseveare. The leaching of copper oxide ore was .... smelters convert- ing sulphur dioxide to acid, high lime ores ... tion problem. FLOTATION OF CONVERTER SLAG ... the importance of grinding in efficient concentrator...

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Oxygen Pyrometallurgy at Copper Cliff - TMS

He cautioned that the existing cost of oxygen was much too high for ... This energy efficient and environmentally friendly reactor led the world of .... (e.g., the 73% copper filter cake produced by the matte flotation copper-nickel separation plant). .... heat and to allow return of converter slag and smelting of reverted material.

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

Jun 5, 2013 ... However, due to low recovery efficiency of electric furnace along with high consumption of ... Under these conditions, the copper concentrate grade and recovery ... FlotationFlash smelting furnace (FSF)SlagRecoveryGrade ... [9] carried out the single-stage flotation process (rougher) on the converter slag...

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View Entire Paper - Ministry of Energy and Mines and Responsible ...

VIII HIGH EFFICIENCY SYSTEM FOR PYROMETALLURGICAL RECOVERY OF .... tion of the copper converter slags are reverted to the flash furnace.

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Recovery of cobalt, nickel, and copper from slags, using DC-arc ...

Slags are sometimes treated by slow cooling, milling, and flotation. ... Of all the streams in a flowsheet of this sort, the converter slag is richest in cobalt. ... recovery of cobalt is high, and the recovery of iron to the alloy is still reasonably low. ..... which play a significant role in allowing the efficient settling of the dr...

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the effect of cooling rate of slag from primary copper production in ...

May 4, 2015 ... furnace (FSF), converting of matte in Peirce-Smith converters (PSC), anodic and electrolytic ... slow cooling achieve higher copper recovery. For cooling ... fragmentation in flotation, efficiency of copper recovery is 89%. Fig. 3.

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COPPER Copper production

Beneficiation by froth flotation of ore to give copper concentrate. (Optional ... 2. converting matte by oxidation to crude (converter or blister) copper. 3. Refining the ... The copper recovery efficiency is over 90 %. About 95 % .... However, a typical disadvantage is the high copper content of the slags, and the relatively high flue...

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List of Contents

Apr 22, 2004 ... Hydrometallurgical pre-treatment methods include flotation and leaching to recover copper from slag. ... If a blast furnace is used, this copper is charged to a converter, where the ... These impurities are then removed as slag. .... as a filter dust using high efficiency dust removal systems such as fabric filters.

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Patent US4046323 - Process for controlled slow cooling of non ...

Sep 6, 1977 ... Alternatively, the top of the slag in the ladle may be water cooled while the slag is ... h. feeding the ground slag to a flotation circuit to recover copper. 2. ... Examples are the so-called converter slags which are produced during the ... porportion of the slag is cooled too quickly which causes high tailing losses.

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Copper - Department of Energy

Tailings from flotation of copper slag are a second RCRA special waste. ... converter), a high silica flux and compressed air or oxygen are introduced into the ... efficiency of the acid plant, differing amounts of SO2 are emitted into the.

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