There are several works in literature where SCM models were applied in recent years [128][129][130][131] for example Nadirov et al [128] model copper ammonia leaching from smelter slag
Copper slag CS is a by product from the redox of the metallurgical industry Copper slag has heterogeneity of metals in its composition but in general it has potential for use in cementitious composites due to its low chemical reaction potential Studies have shown that copper slag has potential for use in cementitious composites mainly as
In order to achieve single recovery of Fe Cu and Si in copper slag and deep removal of impurities in products the activated reduction combining directional oxidation are adopted to improve the separation limit of target components which mineral constituent as well as chemical composition at different stages are investigated through XRD and chemical analysis
Converter copper slag can be viewed as an important secondary resource for valuable metals considering its high commercial value The current research investigates the recycling of copper by a combination of theoretical and experimental methods Based on a modified Stokes equation it was determined that copper droplets in the molten slag exhibited a
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 thermal and
granulated copper slag which is the waste material produced in the extraction process of copper metal as a replacement to sand in concrete mixes is explored Here the copper slag is replaced for fine aggregate in different proportions as 40% 60% and 80% The effect of replacing fine aggregate by copper slag on the
The copper smelting process produces plenty of copper slag every year which is a hazardous solid waste but a secondary resource In the present study the extraction of copper nickel and cobalt from copper slag was investigated through the process of sulfation roasting water leaching and the process of sulfation roasting sulfate decomposition
A novel technology modified roasting in CO CO2 mixed gas and magnetic separation was presented to recover iron from copper slag The effects of various parameters such as dosage of flux CaO gas flowrate of CO and CO2 roasting temperature roasting time particle size of modified slag and magnetic flux density on the oxidized modification and
Among the many services offered by REMco in its in house test crushing lab we extend existing and prospective customers an opportunity to see how a given configuration of REMco VSI will perform with their stone Once the test crushing is complete REMco will custom configure a crusher to suit the specific needs of the material and provide its
In the heat recovery technology of molten slag granulation gas quenching is one of the most promising and crucial technologies for high quality resource utilization This study performed numerical investigations on the slag granulation process through the realizable k epsilon model and volume of fluid methodology and gained deep insight into the breakup
Composition of slag furnace wall material and ore samples from Aksum Ethiopia and a certified reference material BCS 381 Basic Slag determined by P ED XRF
Phase Diagram Analysis of the Slag FeO SiO 2 and Fe 3 O 4 are the main phases of the copper slag based on the chemical analysis The FeO SiO 2 Fe 3 O 4 ternary phase diagram was selected to analyze the position of the slag component in the phase region as shown in Fig 3a Based on the 10 sets of data provided by the bottom blowing smelting the
The copper slag produced by the smelting industry contains valuable metals like Cu Fe Zn Pb Co and Ni along with harmful components like As Hg Bi and Sb However over 80% of global copper slag is discarded without proper disposal wasting valuable metals and harming the environment Phiri et al 2022 While some copper slag has been
Commonly used alkali activation precursors such as blast furnace slag and fly ash will soon become less available due to resource competition and may cease to be produced in certain regions This limitation in future supply is a main driving force for the investigation of alternative precursor sources such as non blast furnace slags and non ferrous slags to
After matte converting the molten copper slag was cooled from 1300 °C to 1000 °C with a cooling rate of 2 °C/min in a slag ladle then the slag was dumped into the yard and cooled naturally to room temperature the schematic diagram of the slag ladle cooling device is shown in Fig S1 The cooled CSS was collected from the copper slag yard
At the same time for the jaw crusher the overgrinding effect and the accumulation of the mm particles become expressed if the crushing cycle lasts for 60 min Flotation of the pre crushed converter slags resulted in a quality concentrate containing to wt % copper depending on the slag crushing duration
De methode is ontwikkeld door Remco Visscher De laatste jaren is door een heel team hard gewerkt aan de nieuw gelanceerde app en online training voor het oplossen van Stress triggers Het is hierdoor voor zowel bedrijven als individuen mogelijk om meteen aan de slag te gaan met eigen thema s die stress of angst geven Het afgelopen jaar
Phase Diagram Analysis of the Slag FeO SiO 2 and Fe 3 O 4 are the main phases of the copper slag based on the chemical analysis The FeO SiO 2 Fe 3 O 4 ternary phase diagram was selected to analyze the position of the slag component in the phase region as shown in Fig 3a Based on the 10 sets of data provided by the bottom blowing smelting the
Copper smelting slag is a significant potential resource for cobalt and copper The recovery of copper and cobalt from copper slag could significantly augment the supply of these metals which are essential to facilitating the transition to green energy while simultaneously addressing environmental concerns regarding slag disposal However the complex mineral
The use of copper slag CS as fine aggregate and partial substitute of cement for mortar preparationwas studied Results showed an increase on compressive and flexural strength at 3 7 and 28
Oxygen partial pressure is a defining thermodynamic variable in the recovery of copper during matte conversion This study combines theoretical analysis and experiments to investigate the effect of oxygen partial pressure on slag properties and copper separation from slag Additionally under high oxygen partial pressure the mechanism of CaO regulation of
Thermoplastic materials can feasibly be used as replacement for natural sand in the quantities of up to 5 % which reduces the mass of concrete but maintains the compressive strength at levels
With the purpose of recovering the metal values in this study the copper slag was reduced by coke and biochar at 1250 °C in an argon gas atmosphere using the isothermal reduction/drop quenching technique The phase compositions of metal matte and slag were determined using electron probe microanalysis EPMA The effects of reduction time and
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