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·Recovery of Valuable Metals from Slag Under the optimal metal recovery conditions the leaching concentrations of Cr Cu F and Ni were mg/L mg/L mg/L and mg/L
·Conventionally little chemical adjustments are made to the slag prior to its processing for subsequent use or disposal However recent attempts have looked into modifying the chemical composition of slag while hot to render its chemistry and properties suitable for high value products or recovery of minerals/metals from slag [11 12] Nonetheless the majority of
The type of steel furnace slag SFS including electric arc furnace EAF slag basic oxygen furnace BOF slag ladle metallurgy furnace LMF slag and argon oxygen decarburization AOD slag
·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
·Recovery of Valuable Metals from Nickel Smelting Slag Based on Reduction and Sulfurization Modification Wei Sun Xiong Li Runqing Liu Qilin Zhai and Jie Li Citation Sun W ; Li X ; Liu R ; Zhai Q ; Li J Recovery of Valuable Metals from Nickel Smelting Slag Based on Reduction and Sulfurization Modification Minerals 2021 11 1022
DOI / Corpus ID 269957900; Innovative strategy for comprehensive utilization of vanadium slag maximizing valuable metals recovery and minimizing hazardous waste generation
·Mine Slag Precious Metal Recovery Created by Bobby Boekhoud/Just Refiners USA Inc on 9 May 2017 Updated 21 January 2019 Refinery Slag Process Recovery Test Work Composite samples of typical Mine Refinery Slags were tested for projected recoveries of Gold and Silver when processed onsite assuming average types and grades
·The recovery of metal from copper slag is of great significance to the resource utilization of copper slag and the sustainable development of copper smelting industry Currently hydrometallurgy is the traditional method used to recover mineral metals However as copper slag is a silicate mineral the traditional acid leaching process of metal
·Incineration slag is a relatively new ever increasing slag Over recent years several studies have been reported on the treatment utilisation and metal recovery from incineration slag mostly in Germany and Japan Kaulbarsch et al 1997 Pretz and Meier Kortwig 2000 Schmelzer et al 1996 Sakai et al 2000 Incineration slag processing by
·Nickel smelting slag contains valuable metals including nickel and copper Failure to recycle these metals wastes resources and disposal of nickel slag in stockpiles results in environmental pollution Nickel slag recycling is important and metals can be recovered from slag by flotation However considering the complex forms in which valuable metals occur in
·Copper is an indispensable base metal in society and more than 80% of present copper is produced from copper sulfide minerals through pyrometallurgical technologies Gorai et al 2003; Masahide and Honda 2021; Yin et al 2018 In the matte production process copper smelting slag is the main by product which is mainly composed of the glassy phase and some
·Steel slag is a major by product of the steel industry and a potential resource of technology critical elements For this study a basic oxygen furnace BOF steel slag was tested for bacterial leaching and recovery of aluminium Al chromium Cr and vanadium V Mixed acidophilic bacteria were adapted to the steel slag up to 5% w/v
·In the present paper recovery of valuable metals from copper smelter slag of Balkhash copper plant Kazakhstan was investigated To recover Fe Zn and Cu to water soluble form the mixture of 150 g of copper slag and 60 g of 85% sulfuric acid was granulated and then roasted in the temperature range of 473 643 K 200 370 °C followed by sulfuric acid
·The main mechanism for the increased recovery of metals was through the chemical reduction of dissolved oxides by Si Recovery of metal values from copper slag and reuse of residual secondary slag Waste Manag 70 2017 pp 272 281 /
·EAF dust leaching Waelz slag treatment metal recovery from various metallurgical slags bottom ash treatment e waste recycling etc can be used for secondary Zn metals recovery
·BOF steel slag is a main by product in steelmaking The valorization of BOF slag is good for the industry and the environment In the present study the carbo thermic reduction of BOF slag has been investigated the reduction of Fe and P containing phases i e oxide and compounds is discussed and the effects of Al2O3 additions on the reduction process are
·The study of copper Cu recovery is crucial for the entire recovery process of waste printed circuit boards WPCBs and Cu can be leached efficiently via a sulfuric acid hydrogen peroxide
·Nickel is an important non ferrous metal which is widely used in machinery architecture steelmaking military and other fields due to its physical and chemical properties [1 2 3] During the production of nickel about 6 16 tons of nickel smelting slag is generated per ton of nickel produced [1 4] The slag usually contains some valuable elements such as
·Environmental pollution and resource shortage are two major challenges facing the world today and resourcization of precious metals is one of the effective strategies to confront these problems Precious metals known for their high performance and scarcity are indispensable our current lives As nonrenewable resources the demand and consumption of
·The electric arc furnace steelmaking route is essential for sustainable steelmaking through hydrogen based direct reduced iron About 30% of the global steel production currently follows the scrap/direct reduced iron electric arc furnace DRI EAF route which is bound to increase given decarburization efforts by the steel industry We investigated
·BOS slags due to metal droplet slag gas reactions and 4 energy and materials recovery from molten BOS slags The paper aims to provide the state of the art understanding and new
·The topics of utilization and recovery of metals from slag were reviewed by Gorai et al [7] Shen and Forssberg [8] Shi et al [9] and Murari et al [10] Because since the release of these
