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Copper Slag an overview ScienceDirect Topics
George C. Wang, in The Utilization of Slag in Civil Infrastructure Construction, 2016 13.3.5.1 Hydraulic properties of granulated copper slag. Copper slag granulated by water quenching produces vitreous amorphous solid particles that show higher chemical stability than those air-cooled solidified (Pavéz, Rojas, Palacios, & Nazer, 2004).. The chemical composition of copper slag varies with the
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PHYSICOCHEMICAL CHARACTERIZATION OF COPPER SLAG
copper slag corresponds to 30–40 % iron, 35-40% silica, less than 10 % of alumina and calcium oxide and copper content is around 1 %Cu, similar to the ore mined. Cleaning of the primary slag is often economically justified and techniques including slow cooling and flotation, or pyrometallurgical or
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THE EFFECT OF COOLING RATE OF SLAG FROM PRIMARY
Apr 05, 2015· Mihajlović The effect of cooling rate of slag from primary copper production 131 During slow cooling of the slag a reaction of copper (I) oxide with the iron occurs according to the reaction (3). With prolongation of cooling, the reaction equilibrium is shifted to the right. Cu2O(l)+3FeO(l)→2Cu(s)+Fe3O4(s) (1) Experimental part
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Effect of Cooling Rate and Slag Modification on the Copper
Jul 31, 2020· 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.
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Geotechnical Properties of a Copper Slag
Transportation Research Record 941 Geotechnical Properties of a Copper Slag BRAJA M. DAS, ANTHONY J. TAROUIN, AND ANDREW D. JONES* The çotechnical properties of a copper slag are presented.The slag, produced at the Amer¡can Smelt¡ng and Refining Company (ASAROOI plant in El Paso, Texas, is a by-product of refining copper ore in oil-fi¡ed reverberatory fur.
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Effect of Cooling Rate and Slag Modification on the Copper
higher-grade copper slag concentrate at a cooling rate of 2 °C/min, and that a proper holding time was favorable for increasing the (molten) copper-containing phase. In order to achieve safeproductionand tooptimizebeneficiation,Li [16] established a slag ladle cooling system by testing the copper grade,thenumberofreddots(themiddleofthecopperslagis
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THE EFFECT OF COOLING RATE OF SLAG FROM PRIMARY
Apr 05, 2015· Mihajlović The effect of cooling rate of slag from primary copper production 131 During slow cooling of the slag a reaction of copper (I) oxide with the iron occurs according to the reaction (3). With prolongation of cooling, the reaction equilibrium is shifted to the right. Cu2O(l)+3FeO(l)→2Cu(s)+Fe3O4(s) (1) Experimental part
More
Effect of Cooling Rate and Slag Modification on the Copper
Jul 31, 2020· 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. However, research on
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milling and flotation of slow cooled copper slag
Effect of Cooling Rate and Slag Modification on the Copper. In the past few years, methods like flotation [ 7, 8], leaching [9, 10], and bioleaching [11] have been proposed. Milling and froth flotation methods are quite common when dealing with slow-cooled slags. Before flotation, the slag needs to be cooled inacontrolledmanner.
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PHYSICOCHEMICAL CHARACTERIZATION OF COPPER
copper slag corresponds to 30–40 % iron, 35-40% silica, less than 10 % of alumina and calcium oxide and copper content is around 1 %Cu, similar to the ore mined. Cleaning of the primary slag is often economically justified and techniques including slow cooling and flotation, or pyrometallurgical or
More
Cooled Slag an overview ScienceDirect Topics
George C. Wang, in The Utilization of Slag in Civil Infrastructure Construction, 2016 5.3.1 Air-cooling. Air-cooled slag is solidified under ambient conditions.Immediately after being discharged from the blast furnace, the molten blast furnace slag is dumped into cooling pits for air-cooling before further processing for slag products.
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“Physicochemical characterization of copper slag and
slag, and this constitutes one of the main by-products of the metal extraction industry [2]. The average composition of primary copper slag corresponds to 3040 % iron, 35– -40% silica, less than 10 % of alumina and calcium oxide and copper content is around 1%Cu, similar to the ore mined.
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Copper Slag Loose Copper Slag Manufacturer from Ahmedabad
Description: Copper slag is a by-product produced during smelting of copper, which is then processed into abrasive products. Typically it is composed of Ferro silicate material and oxides formed when the molten slag is quenched in cold water.
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LEACHING KINETICS OF CU, CO, ZN, PB AND FE FROM
Slag samples from a copper smelting operation in a water jacket furnace from a DRC plant was used in the study. The study intends to determine the effect of cooling on the extraction of base metals. The cooling methods investigated were water quenching, air cooling and furnace cooling. The latter was compared to the original ‘as received’ slag.
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The composition and environmental hazard of copper slags
The copper content in the FSF slag is higher than slag from Iranian National Copper Industries Co, Chile Caletone, Indian copper plants and is much lower than that in copper slag from an oxygen
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CA1062471A Process for controlled slow cooling of non
ABSTRACT OF THE DISCLOSURE: A process for controlled slow cooling of non-ferrous smelting slags, such as copper slags, for the recovery of the non-ferrous metals contained therein by subsequent crushing, mil-ling and flotation operations is disclosed. The process compri-ses the steps of pouring the molten slag into a ladle, allowing the slag to slowly cool and solidify in the ladle at least to
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EXPERIMENTAL STUDY OF CONCRETE WITH COPPER SLAG
The percentage of copper slag used for replacement of river sand are 0%, 10%, 20%, 30%, 40%, 50%. Cement sand mortar joint thickness of 10 and 15mm. Plaster ability of use of copper slag for partial replacement material for river sand. Use of copper slag as
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Mineralogy of slags: a key approach for our understanding
Figure 2. Two extreme cases of copper-slag macrostructures on bulk polished sections (daylight macrophotography). (a) Unreacted minerals in a conglomerate slag from Chalcolithic La Capitelle du Broum, and (b) homogeneous melt in a plate slag from Early Bronze Age Saint-Ve´ran (size ofimage & 2.5 cm). Figure 3. Typical copper-slag microstructure as
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(PDF) Experimental Investigation and Modeling of Copper
The final slag produced at the end of converting contains a high copper content, wherein copper is distributed after slow cooling into cuprite (Cu2O) and delafossite [(Cu,Fe)O] phases. View Show
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