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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
Morecopper 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
MoreApr 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
MoreJul 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.
MoreTransportation 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.
Morehigher-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
MoreApr 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
MoreJul 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
MoreEffect 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.
Morecopper 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
MoreGeorge 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.
Moreslag, 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.
MoreDescription: 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.
MoreSlag 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.
MoreThe 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
MoreABSTRACT 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
MoreThe 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
MoreFigure 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
MoreThe 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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