but also saves landfill space. There are many studies reused granulate blastfurnace slag (GBFS) and copper slag (CS) as a part of fine aggregate. Others recycled them as a part of binder material (after suitable grinding). In this article, an overview of the previous studies carried out on

Slag produced by flash furnace operations contains significantly higher amounts of copper than reverberatory or electric furnaces. Flash furnace slag is treated in a slag cleaning furnace with coke or iron sulfide. Because copper has a higher affinity for sulfur than oxygen, the copper in the slag (as copper oxide) is converted to copper sulfide.

CalChem Metals is currently purchasing copper bearing slag from a variety of industries including copper rod mills, copper tube mills and other industries where there is a need to melt copper. A byproduct of copper melting is the production of slag.

The SCF slag is processed for coppercobalt recovery to produce a copper cobaltiron alloy in the cobalt recovery furnace (CRF). The CRF process aims to obtain a final slag of approximately % copper and % cobalt which is normally discarded. The reductant used in these two processes is coke.

These may indicate that some of the slag was not tapped out from the furnace, but rather taken out with the copper metal created on the furnace bottom, and then separated from it after cooling. Both samples of 35/7 were found to be more magnetic than those of 35/6.

The total iron in copper slag is usually above 35%, and iron element in copper slag are mainly distributed in olivine phase and magnetic iron oxide minerals. Because minerals in copper slag embedded with each other and the grain of minerals in copper slag are very small, so it is very difficult to recover iron from the copper slag by means of traditional separation technology.

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reduction. Among them, these two interfacial chemical reactions, gas slag and gas carbon could ultimately limit the enhancement of these processes. In this work, the gas slag reaction kinetics in slag cleaning of copper slags has been studied. The dissociation rate of C02 on the surface of liquid copper .

Copper slag is a byproduct created during the copper smelting and refining process. As refineries draw metal out of copper ore, they produce a large volume of nonmetallic dust, soot, and rock.

Disclosed are apparatus for and a method of continuously trapping slag during molten copper transfer wherein a refractory slag trap comprising baffles traps slag particles by providing areas of nonuniform flow within the molten copper melt thereby causing all constituents having a specific gravity less than that of molten copper to rise to the surface of the molten copper and form agglomerates which can be .

About 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 % Cu, % Co and % Fe was used in the experimental studies.

The copper slag cleaning in an electric furnace is based on slag reduction and settling of copper matte inclusions. Copper recovery depends on the slag temperature, degree of magnetite reduction and slag residence time. The formation of solid buildup on the furnace hearth leads to the decrease of furnace volume and slag residence time, affecting copper recovery and furnace capacity.

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Nowadays the Copper Slag is much more economical, healthy and easy to use. Silicosis is a form of Occupational Lung Disease c aused by inhalation of crystalline silica dust, and is marked by inflammation and scarring in forms of nodular lesions in the upper lobes of the lungs. It is a type of pneumoconiosis, from pneumo (lung) and konis (dust).

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.

The copper slag cleaning in an electric furnace is based on slag reduction and settling of copper matte inclusions. Copper recovery depends on the slag temperature, degree of magnetite reduction and slag residence time. The formation of solid buildup on the furnace hearth leads to the decrease of furnace volume and slag residence time, affecting

demands further processing of the slag. Processing of such, copper rich slag, is facilitated using flotation or electroprecipitation of remaining sulfides resulting with about % Cu in the remaining waste slag [2, 3]. Those copper losses in the waste slag are strongly influencing the economy of the copper extraction process. Also, it is a

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Copper slag is a byproduct of copper extraction by smelting. During smelting, impurities become slag which floats on the molten metal. Slag that is quenched in water produces angular granules which are disposed of as waste or utilized as discussed below.

Technological procedure of slow cooling slag from primary copper production is applied in the purpose of copper recovery in the level of % to blister. This technological procedure is divided into two phases, first slow cooling of slag on the air for 24 hours, and then accelerated cooling with water for 48 hours.

Copper Slag and Blast furnace slag and attained maximum value at % and % respectively and again decreases. 3. With the increases of Copper Slag and Blast furnace slag percentage, Liquid Limit, and Plasticity Index goes on decreasing. 4. It is concluded that the optimum value for both Copper Slag and Blast furnace slag is 20%. 5.

The reduction of iron oxide from slag is involved in many processes, such as, bath smelting, EAF steelmaking and copper slag cleaning processes, and it is known to occur via gaseous intermediates. Four possible rate determining steps are involved during the reduction. Among them, these two interfacial chemical reactions, gas slag and gas carbon

Copper slag, copper grit is an abrasive for blast cleaning. It is high hardness, fast rustremoving, excellent efficiency, no harm to human health and most importantlow price, it is suitable for shipyard blasting,free lapping, blast cleaning and for making organic bonded abrasive tools, the results of application to shipbuilding, bridge construction indicates that copper slag

could be used for copper extraction is the reverberatory furnace slag that is widely used for copper extraction these days. In general, the main components of the reverberatory slag are Fe 3 O 4 and SiO 2 with amounts of 25% to 50% for each of them. Nearly all of the copper slags contain considerable amounts of Cu (%).