MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Shijiazhuang limestone crusher smelting waste slag cleaning vehicle
Life cycle assessment of melting reduction treatment for iron and
2022年11月1日 By melting reduction modification technology, it effectively extracts the iron element existing in the waste slag to form high valueadded iron and steel productsThis paper identifies the sources and hazards of ironbearing smelting slag, delves into resourceful strategies for its comprehensive utilization, such as metal recycling technology and Resource utilization strategy of Febearing smelting slag in China: 2014年2月19日 In this paper, the current state of iron and steelmaking slags valorisation in China is reviewed The main hot stage slag valorisation processes were introduced to deal Current Development of Slag Valorisation in China Waste2019年12月9日 In this paper, the slag granulation and heat recovery options are reviewed and given a critical evaluation, aiming to provide a basis for future directions in slag handling The Granulation and Heat Recovery from Metallurgical Slags
Steel slag in China: Treatment, recycling, and management
2018年8月1日 Steel slag is the main waste product in the steelmaking process Because of its chemical composition and technical properties, it can be reused as raw material in steel plants This book introduces the latest results in research and practice of industrial solid waste recycling in China's western regions and provides information on massive solid wastes such as Industrial Solid Waste Recycling in Western China2020年6月3日 In this study, Zn/Cubearing smelting slag was recycled via an integrated acid dissolution and hematite precipitation method The slag was dissolved in nitric acid to generate Highpurity recycling of hematite and Zn/Cu mixture from waste 2021年6月25日 The leadzinc smelting industry produces a large increment of waste slag each year and a large historical stockpile These slags are not only hazardous wastes, but also an Advances in Comprehensive Utilization of Leadzinc Smelting Slag
A new technological approach to the granulation of slag melts of
2021年11月3日 It is shown that the main advantage of the proposed HVG process is the provision of forced highspeed vortex convection of water, with the effect of vertical suction, 2018年7月1日 During the smelting process, the soft melting of the burden drops and accumulates in the lower part of the furnace cylinder At the slagiron interface, the chemical reaction between the metal Green and Efficient Utilization of Waste Ferricoxide Desulfurizer 2020年12月1日 Request PDF Copper Smelting Slag Cleaning in an Electric Furnace by Using Waste Cooking Oil In view of the nonrenewable reductant resources and carbon neutralization in the process of copper Copper Smelting Slag Cleaning in an Electric Furnace by Using Waste Request PDF On Jul 1, 2016, Jung Ho Heo and others published Recovery of iron and removal of hazardous elements from waste copper slag via a novel aluminothermic smelting reduction (ASR) process Recovery of iron and removal of hazardous elements from waste
Use of waste copper slag, a sustainable material
2014年5月3日 The utilization of solid waste is the challenge for the civil and environmental engineers to utilize the waste from different industry to excel the sustainable development, and in the same time, it is matching with the cost concern of the present materials Copper slag is a byproduct obtained during smelting and refining of copper The waste copper slag can be used Taking copper slag as an example, copper slag is a solid waste containing iron, lead, and zinc produced in the process of copper smelting, which is a typical nonferrous smelting slag Besides oxides of Ca, Mg, Si, and Al, copper slag also contains 20 %–40 % total iron (TFe) and a certain amount of lead and zinc, which has a high comprehensive utilization value ( Zhang et al, 2020 Resource utilization strategy of Febearing smelting slag in China: 2008年9月1日 Experiments were carried out in a slag cleaning electric furnace to reduce magnetite in copper smelting slag using petrodiesel or biodiesel produced from waste cooking oil, and the reduction Cleaning of a copper matte smelting slag from a waterINNOVATIVE TECHNOLOGIES FOR COPPER SMELTING AND ELECTRIC SLAG CLEANING AND MATTE SETTLING FURNACES A Esterhuizen, *H Joubert, S Essack, and N Fowler TENOVA PYROMETINNOVATIVE TECHNOLOGIES FOR COPPER SMELTING AND ELECTRIC SLAG CLEANING
Highpurity recycling of hematite and Zn/Cu mixture from waste smelting
2020年6月2日 In this study, Zn/Cubearing smelting slag was recycled via an integrated acid dissolution and hematite precipitation method The slag was dissolved in nitric acid to generate an acid solution 2021年1月28日 Request PDF Comprehensive review on metallurgical recycling and cleaning of copper slag Copper slag, generated mainly during copper smelting, and classified as a potentially harmful waste, is Comprehensive review on metallurgical recycling and cleaning of copper slag2020年6月3日 Introduction Smelting slag is a typical hazardous waste generated in the smelting and metallurgy industry 1, 2Slag contains high concentrations of heavy metals, such as Cu, Zn, Cr and Ni, which are harmful if released into the environment 3In China, smelting slag is disposed of as an environmental priority pollutant, wherein the slag is generally stabilized with cement Highpurity recycling of hematite and Zn/Cu mixture from waste smelting 2021年5月11日 Practically, the matte grade is adjusted by the ratio of O 2 in the blast to concentrate feed rate, assuming a constant slag composition Due to the fact that the matte grade determines the extent of oxidation of Fe and S, it also determines the extent SO 2 evolution [], and it influences the partitioning of the elements between different phasesThermodynamic Analysis of Copper Smelting, Considering the Impact
Schematic diagram of the slag cleaning electric
Experiments were carried out in a slag cleaning electric furnace to reduce magnetite in copper smelting slag using petrodiesel or biodiesel produced from waste cooking oil, and the reduction 2021年2月8日 Vegetation reconstruction was widely adopted for the waste slag site But the toxic elements may be made public from slag due to the organic acid secreted by plant roots, which will pollute the surrounding environment and harm human health The purpose of the study was to evaluate the harm of toxic substances released from zinc (Zn) smelting waste slag to Effects of Zinc Smelting Waste Slag Treated with Root Organic Acids 2002年11月1日 Slag cleaning is important from both an economical and environmental perspective Dump slags from copper smelting prove to be a valuable source of base metals, but the abundance of iron in the The role of slag modifiers on the selective recovery of cobalt and 2023年2月22日 Sulfidation treatment of copper smelting slag In the sulfidation experiment, the particle size of the synthesized slag was controlled below 80 mesh (178 µm)The mixture of CaSO 4 and anthracite was pelletized at a pressure of 10 MPa in a Ø 4 mm pressing tool, and the weight of every pellet was roughly controlled to be 004 g Then the smelting slag and CaSO 4 The Phase Transition and Element Distribution of Copper Smelting Slag
Advances in recovery of valuable metals and waste heat from copper slag
2022年10月1日 Copper smelting slag usually contains 1–6 wt% copper, which can be recovered by pyrometallurgical and flotation processes However, the tailing slags still consist of 03–07 wt% Cu and 35 Characterization and Recovery of Valuables from Waste Copper Smelting Slag Conference paper; pp 889–898; Cleaning of a copper matte smelting slag from a waterjacket furnace by direct reduction of heavy metals, Journal of Hazardous Materials, 2009, 164:856–862 Article Google ScholarCharacterization and Recovery of Valuables from Waste Copper Smelting Slag2021年5月1日 Slag 1: Flash smelting slag from Almalyk coppersmelting plant, Uzbekistan (Starodub et al, 2016); Slag 2: cleaning of electric furnace slag from Tongling Nonferrous Metals Group Holding Co, Ltd, China (Guo et al, 2016b); Slag 3: Converter slag from Tongling Nonferrous Metals Group Holding Co, Ltd, China (Guo et al, 2018a); Slag 4: Slowcooled slag Comprehensive review on metallurgical recycling and cleaning of copper slag2022年12月14日 Abstract The traditional fossil reductant used in the copper slag cleaning process cannot fulfill the requirements of sustainable development of the copper industry Therefore, a new approach of employing waste motor oil (WMO) instead of a nonrenewable fossil reductant to clean copper slag (reduce magnetite concentration and improve matte recovery) Investigation of Reducing Copper Slag Using Waste Motor Oil to
Recovery of iron and removal of hazardous elements from waste
2016年11月20日 A novel aluminothermic smelting reduction (ASR) process was investigated for cleaning waste copper slag; this process is not only able to recover valuable iron, but also eliminates hazardous elements from the endoflife slag productThe effect of adding Al on the reduction of iron oxide and subsequent iron recovery from waste copper slag at 1773 K was 2024年2月29日 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 Recovery of Metals from Copper Smelting Slag Using Coke and 2020年1月24日 Materials The sample was obtained from slag that was generated during the oxygen enrichment copper smelting process The chemical composition shown in Table 1 indicates that the Cu content was 1782% and the Fe 3 O 4 content was 129% Due to the fact that the copper slag was produced by the oxygen enrichment process, the copper and Fe 3 O Recovery of Copper from Copper Smelting Slag Using a Green 2018年6月15日 Experiments were carried out in a slag cleaning electric furnace to reduce magnetite in copper smelting slag using petrodiesel or biodiesel produced from waste cooking oil, and the reduction (PDF) Reduction of Magnetite from Copper
Technical Focus on DCarc Furnace Application to Waste Stream Smelting
2021年10月3日 Steady state dust concentration in a DC arc zone at different arc lengths (Reynolds, 2015) Fundamental process aspects arc length control In a DC furnace the HCCs, electrode, DCplasma arc, slag Maytham Mahmood Ali AlKhwarizmi Engineering Journal, Vol 14, No 3, PP 81 91 (2018) 84 21 Fluxing and Degassing of AluminumRecovery of Aluminum from Industrial Waste (Slag) by Melting 2023年8月28日 During the pyrometallurgical extraction of copper, a significant source of copper loss is discarded slag In 2021, the global smelter production of copper reached 214 million tons [], and the slag produced was approximately 22 tons per ton of copper []The most considerable amounts of slag come from the smelting furnace and often have a copper content between 1 Improved Settling Mechanisms of an Industrial Copper Smelting Slag 2021年3月16日 By Alton Tabereaux, Contributing Editor Spent potlining (SPL) disposal is one of the largest environmental waste management challenges confronting worldwide primary aluminum smelters due to its toxicity The International Aluminium Institute (IAI) asserts that 16 million tons of SPL were generated from primary aluminum production in 2019,1 making it the The SPL Waste Management Challenge in Primary Aluminum
Slag Cleaning: The Chilean Copper Smelter Experience
2000年8月1日 While hydrometallurgical slag cleaning has been demonstrated as an efficient extraction technique for Cu and other heavy metals present in the slag, it is often not preferred due to its need for 2023年1月11日 To determine slag properties and the factors influencing these properties for optimization of operating conditions in the copper flash smelting process, the composition and microstructures of the quenched smelting and converting slags have been analyzed Thermodynamic software FactSage 82 has been used to investigate the effects of matte Control of Copper Content in Flash Smelting Slag and the MDPI2019年11月1日 Currently, waste cooking oil (WCO) as a renewable energy is not widely utilized Copper slag cleaning in an electric furnace is a critical process for reducing the excessive magnetite (Fe 3 O 4) present in the copper slag to decrease the slag viscosity, which can promote the sedimentation of matte/copper in the slag, thus reducing the copper content of slagReduction of copper smelting slag using waste cooking oil2009年5月30日 The lower w value of 256% yielded a recovery rate of less than 60% for copper and less than 50% for cobalt, and around 70% for zinc However, increasing w to 5% allowed the recovery of 70–90% for Cu, Co and Zn simultaneously after 30–60 min reduction of the molten slag After reduction, the cleaned slags contained only small amounts of copper and cobalt Cleaning of a copper matte smelting slag from a waterjacket
Clean strengthening reduction of lead and zinc from smelting waste slag
2017年2月1日 Substantial smelting waste slag (SWS) are produced from various kinds smelting process, such as zinc hydrometallurgy, sintering blast furnace lead smelting, iron and steel smelting (Kim et al, 2016, Oluwasola et al, 2016, Zhang et al, 2016) The SWS contain toxic metal such as zinc and lead2023年1月29日 Copper smelting slag usually contains 1–6 wt% copper, which can be recovered by pyrometallurgical and flotation processes However, the tailing slags still consist of 03–07 wt% Cu and 35–45 wt% Fe equivalents to Recovery of CuFe Alloy from Copper Smelting Slag2023年1月1日 Although considerable effort has been done over a long period of time in the exploitation of industrial waste, ferrochrome slag has received surprisingly less investigationUtilization of steel slag waste as construction material: A review2019年9月3日 Nickel Laterite Smelting Processes and Some Examples of Recent Possible Modifications to the Conventional Route(PDF) Nickel Laterite Smelting Processes and Some
Electric Slag Cleaning Furnace Metso
With Metso's Outotec Electric Slag Cleaning Furnace, the cleaning of smelting furnace slag is carried out using surface coke reduction in an electric furnace The circular or rectangular electric furnace is operated in batches and equipped with three or more Söderberg electrodes2018年5月1日 Waste printed circuit boards smelting ash (WPCBsSA) is generated by the smelting process of waste printed circuit boards (WPCBs), which contains valuable metals, such as copper (Cu), zinc (Zn Diagnose for valorisation of reprocessed slag cleaning furnace 2012年9月21日 In the quest to achieve the highest metal recovery during the smelting of copper concentrates, this study has evaluated the minimum level of soluble copper in ironsilicate slags The experimental work was performed under slagcleaning conditions for different levels of Fe in the matte and for a range of Fe/SiO2 ratios in the slag All experiments were carried out under Minimization of Copper Losses in Copper Smelting Slag During Electric The gases from the Flash Smelting Furnace (FSF) and the Slag Cleaning Electric Furnace (SCEF) tapping operations are conducted through exhaust hoods located in the launders, to a baghouse filter in order to meet the current emission limits established in Atlantic Copper’s Environmental Permit (EP) This offgas stream contains 209% O2 at environment Treatment of Gases from Flash Furnace and Slag Cleaning
Cleaning of high antimony smelting slag from an oxygen
2019年8月1日 AbstractCleaning of high antimony smelting slag from an oxygenenriched bottomblown was tested by direct reduction in a laboratoryscale electric furnace The effects of added CaO, mass ratio of coal (experimental) to coal (theoretical) (ω) and the slag type on the reduction procedure were considered The contents of Sb and Au were investigated Iron