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·Resende 2009 studied the application of blasted copper slag as an aggregate in mortar replacing natural fine aggregate Although the physical characteristics of the material induced to a gain in mechanical parameters of the mixtures the increment of blasted slag induced to less resistant mortars reaching an optimal replacement value of 25%
On the basis of above findings this paper adopts an analytical method of assuming the copper slag as a dynamic heat source establishing a slag ladle simulation geometric model according to the size of 12 m 3 casting slag ladle in industrial production in accordance with 1 1 modeling Then through the experiments on the copper slag sampled from the factory to obtain the
·Global copper slag CS emissions reached million tons in 2021 Despite the increasing reuse of CS the treatment of CS is still dominated by landfill so far which not only occupies land resources but also causes damage to the environment The application of CS to cement based materials CBMs is one of the main approaches to its comprehensive
·Copper slag Copper slag grains have a fineness modulus of In order to use copper slag as a mineral admixture it was necessary to carry out an experimental study associating grinding time average diameter and pozzolanic activity assessed in mortars [] Based on this study it was verified that 60 min was the optimal grinding time in horizontal ball mills to
Fayalite is the main phase of copper slag and a type of Fe silicate glass that is composed of a polymerized network of silicate tetrahedrons in which SiO 2 and FeO are generally considered as network formers and modifiers respectively The structure of fayalite is shown in Fig 13 [107] In iron silicate glass O 2− exists in the form of bridging and non bridging oxygens BOs and
·The present paper details about the application of high volume copper slag in concrete The study leads towards cleaner production by utilizing the land filled or stockpiled industrial by product copper slag as an alternative to natural river sand in concrete The current global production of copper slag is about 40 million tonnes which if
·This work proposes an environmentally safe and economically feasible method of waste copper nickel production slag utilization Kola Mining Metallurgical Company Nornickel Kola Peninsula Russia
·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
·Copper slag tailings primarily stemming from pyrometallurgical processes predominantly consist of a silicate matrix [] It is estimated that 2 tons of slag tailing are generated for every ton of copper produced and approximately 40 million tons of slag are generated from global copper production [2 3 4] Unfortunately slag tailings are often directly
·Copper slag is a waste material during extraction of copper from high concentrate copper ore by floatation and filtration processes At present the accumulated fine copper slag is about 3 lac metric tons MT while its annual production is about lac tons Copper slag is a by product obtained during the matte smelting and refining of copper
·1 Introduction Copper slag solid waste product generated during the copper smelting process Adediran et al 2022 is commonly referred to as Fayalite slag owing to its predominant constituent iron rich fayalite Fe 2 SiO 4 Kongoli et al 2011; Toguri and Santander 1969 Typically copper slag comprises Piatak et al 2015; Shen and Forssberg
·greatest potential applications for using copper slag is in concrete production This research work by author is concerned with the experimental investigation on strength of concrete and optimum percentage of the partial replacement by replacing fine aggregate via 0% 10% 20% 30% 40% of copper slag
·Nonferrous metals Cu Pb Zn remaining in copper converting slag have become a global problem in copper pyrometallurgy 1 By the end of 2020 more than 30 copper smelters were put into operation in China with an annual capacity of refined copper of 10 225 kt ranking first in the world 2 3 After more than 100 years of development copper converter
·For each ton of copper production approximately tons of slag is generated The production of copper slag is calculated in millions of tons each year The chemical composition of slag varies with the original properties of copper concentrates and process of treatment; in general 30% 40% Fe and % % Cu are present in copper slag [1
·Copper slag a waste solid produced in the copper smelting process is a high quality secondary resource with huge output The recycling and utilization of copper slag is of great interest because it avoids the loss of valuable metals and the threat of harmful metals and saves a lot of natural resources and energy This paper firstly reviews the main methods for
·Advantages of Copper Slag The primary advantage associated with using copper slag in construction is its cost effectiveness Copper slag is much cheaper than other aggregates making it an attractive option for budget conscious builders and contractors In addition to being cost effective copper slag also offers a number of other benefits
·Materials The smelting slag used in this study was obtained from a copper plant in China Mineralogical analysis performed using scanning electron microscope SEM and energy dispersive X ray spectroscope EDS polarizing microscope and X ray diffraction XRD indicated that fayalite Fe 2 SiO 4 and magnetite Fe 3 O 4 phases were major components
·Nearly to tons of copper slag are generated for every one tone production of copper leading to the generation of million tons of copper slag very year; as of now a total of 50
·The application of copper slag causes increases of the compression and tensile strength as well as density and other concrete parameters [2] Sustainable materials are those which provide
·However for cement mortar applications 80% copper slag is recommended The findings of non destructive testing show that except for 100% copper slag all mixes were of good quality compared to
·The copper slags with different addition levels of 15 30 and 45 wt % were mixed into a typical Portland cement Water was added into the mixture of cement and copper slag to achieve the moisture
·Copper slag which is used as the inert filler aggregate is a glassy and granular element which is black in color and obtained during the copper extraction From the physical characterization of copper slag the values of specific gravity water absorption and bulk density were measured to be % and 2045 kg/m 3 respectively It is worth
·Copper slag is generated as an unavoidable byproduct during pyrometallurgical processing of copper production The total worldwide mine production of copper has risen in the past decade increasing from 16 Mt in 2010 to 22 Mt in 2022 [] It is reported that for every ton of copper produced 3 tons of slag is generated [2 3] Copper slag from industrial smelting
