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
Method for treating waste slag from smelting of American limestone crusher
Recent research progress on recycling metallurgical waste slag and
2024年11月1日 In recent years, a novel method for treating impurity elements in waste slag, known as electric field strengthening treatment, has emerged as an effective means to 2022年12月20日 Acid/alkali pretreatment, mixed pretreatment, coreshell structure pretreatment, and other pretreatment methods can be used to improve the performance of wastewater A review of metallurgical slag for efficient wastewater treatment 2023年3月6日 Slags from the ferrous and nonferrous metallurgical industries have been used to treat toxic contaminants in water and wastewater Using slag as a recycling or renewable resource rather than aRecycled Smelter Slags for In Situ and Ex Situ Water 2016年7月29日 One of the most important goals of copper slag metallurgy is to minimize copper losses to slag from entrained Cu droplets during the smelting of copper concentrate, 3 often Slag Metallurgy and Metallurgical Waste Recycling JOM
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Treatments and Recycling of Metallurgical Slags
2018年11月7日 Slag in ironmaking and steelmaking processes has several metallurgical functions such as preventing contamination by atmosphere, providing thermal insulation, and removing impurities in the liquid metal Slag 2017年1月15日 In this work, a new innovative slag cleaning technique was presented to economically and environmentally friendly recover valuable metals from cobaltbearing copper Cotreatment of waste smelting slags and gypsum wastes via 2019年12月9日 The concept of all these methods is to utilize the sensible and/or latent heat of slag for an endothermic reaction such as calcination of limestone or dolomite, reforming of Granulation and Heat Recovery from Metallurgical Slags2020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
Review on the innovative uses of steel slag for waste minimization
2018年2月5日 The review is also done on utilization of solid waste for waste management by the novel methods like landfill daily cover material, sand capping, carbon sequestration, water 2016年10月14日 Under the Al2O3FeOSiO2 ternary slag system, at a smelting temperature of 1450 °C, smelting time of 2 h, mass ratio of coke, pyrite, and CaO to waste catalysts of 16, 25, and 0%, respectively Cotreatment of waste smelting slags and gypsum wastes via Currently, there is a limited amount of research on the smelting slag in general Zhang S et al has successfully developed highporosity ceramics and glass ceramics using smelting slag from the waste automobile catalyst [31]In addition, the Chinese invention patent also mentioned a method for recovering rare metals lanthanum, cerium, and zirconium from smelting prehensive recycling of slag from the smelting of spent 2022年4月13日 Request PDF A novel method for dearsenization from arsenicbearing waste slag by selective chlorination and lowtemperature volatilization Because of the widespread presence of arsenic in A novel method for dearsenization from arsenicbearing waste slag
Review on the innovative uses of steel slag for waste minimization
2018年2月5日 Piles of steel slag, a solid waste generated from the iron and steel industry, could be seen due to no utility found for the past century Steel slag has now gained much attention because of its new applications The properties of slag greatly influence its use and thus had got varied applications The chemical composition of steel slag varies as the mineral composition 2016年1月1日 In this work extraction of copper and iron from a reverberatory furnace slag was studied A twostep extraction procedure was followed The first step was roasting of the slag in the presence of Recovery of copper from smelting slag by sulphation2024年1月23日 Copper smelting slag discharged from mining and highaluminum fly ash generated during the combustion of coal for energy production are two typical bulk solid wastes, which are necessary to carry out harmless and resourceful treatment This research proposed an ecofriendly and economical method for the coconsumption of copper smelting slag and high Preparation of Cementitious Materials from Mechanochemically 2018年12月1日 Environmental issues have increased the importance of recycling and management of the byproducts of smelting and mining wastes The Center for Sustainable Resource Processing (CSRP) supported by the Australian government evaluated various waste streams produced by the mineral industry from technical, economic, and environmental aspectsApplicability of gold tailings, waste limestone, red mud, and
A novel process for silver enrichment from Kaldo smelting slag of
2020年7月10日 Inspired by this, the silver diffused in smelting slag can be trapped in lead alloy by keeping the reactions under proper conditions, and then silver and lead are separated through vacuum smelting, which not only overcomes the problems of current technologies in low silver recovery and long process flow for the recovery of lead and other valuable metals, but also 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 Highpurity recycling of hematite and Zn/Cu mixture from waste smelting 2024年8月15日 Copper smelting slag (CSS) is commonly generated during the smelting process of the copper concentrate, it comprises a range of valuable metals, especially the valuable copper (Cu), possessing the greatest recovery value Currently, direct flotation is commonly used to recover Cu from CSS, but the Cu recovery rate is usually below 90%Efficient recovery of copper from copper smelting slag by gravity 2022年11月1日 China has the largest output of steel and iron in the world (Zhang et al, 2022)In 2021, China's average annual pig iron output arrived at about 869 million ton (Stewart et al, 2021) and crude steel arrived at about 103 billion tons (Zhao et al, 2022)Meanwhile, the output of steel solid waste keeps at a high level and generally the production of one ton steel will generate Life cycle assessment of melting reduction treatment for iron and
A literature review of titanium slag metallurgical
2012年1月1日 Comparing with one stage melting method by electric furnace, prereduced in the two stage method have the advantages of energy saving, inhibition of lowvalent titanium and titanium carbonitride 2017年2月8日 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 Xray spectroscope (EDS), polarizing microscope and Xray diffraction (XRD), indicated that fayalite (Fe 2 SiO 4) and magnetite (Fe 3 O 4) phases were major components The Recovery of Copper from Smelting Slag by Flotation Process2018年12月1日 Increasing concerns about environmental issues have led to more attention being paid to the recycling of mining wastes and smelting byproducts In the present study, the utilization of gold tailings, waste limestone, red mud, and ferronickel slag was investigated for producing continuous glass fibersTo verify the applicability of the downdrawing process, the Applicability of gold tailings, waste limestone, red mud, and 2020年2月14日 Copper smelting slag is a solution of molten oxides created during the copper smelting and refining process, and about 15 million tons of copper slag are generated annually in Korea The oxides in copper smelting slag include ferrous (FeO), ferric oxide (Fe2O3), silica (SiO2 from flux), alumina (AI2O3), calcia (CaO) and magnesia (MgO) The main oxides in copper A Study on Reduction of Copper Smelting Slag by Carbon for
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Utilization and detoxification of gypsum sludge by replacing limestone
reductions smelting of high lead slag Herein, toxicity leaching experiment of sulfuric acid and nitric acid method was used to evaluate the safety of the cosmelting slag to provide a basis for the cosmelting of high lead slag with gypsum sludge 2 Experimental 21 Materials and reagents In this study, high lead slag as the experimentalKey words: steel slag, acid mine drainage treatment Proceedings of the 1998 Conference on Hazardous Waste Research 45 So quickly, in fact, that very few crystals formSTEEL SLAG: APPLICATIONS FOR AMD CONTROL ResearchGateThe method applied for recovering aluminum was pyrometallurgical method by smelting and refining XRay fluorescence spectroscopy and X Ray diffraction techniques of the slag sample were used to Recovery of Aluminum from Industrial Waste (Slag) by Melting 2018年7月1日 Plasma treatment technology is an efficient and safe waste disposal method Plasma, with high energy density and high temperature, is the fourth state of matter, which is generated in highly ionized gas (Du et al, 2015)High–temperature plasma smelting, instead of incineration, can destroy harmful organic compounds, while producing less dioxin and furansPlasma methods for metals recovery from metal–containing waste
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The SPL Waste Management Challenge in Primary Aluminum
2021年3月16日 Alcoa treats the SPL produced from its US smelters at the Gum Springs, AR, hazardous waste treatment facility (Figure 3), which uses a thermal treatment process to detoxify SPL in a rotary kiln 35 The plant started operation in 1993 and was one of the first largescale SPL processing plants in the world, with a capacity to process 110,000 tonnes of SPL per year2022年10月1日 Each slag composition requires an appropriate treatment method for further metal recovery or for utilization as construction material [27,28] Thermal reduction of copper smelter slags with solid Advances in recovery of valuable metals and waste heat from copper slag 2022年7月1日 This study proposed a green method to clean the copper slag and simultaneously recover copper resources via reductionsulfurizing smelting and supergravity separation at a low temperature, providing scientific guidance and application prospects for the synergistic treatment of hot copper slag with waste coke and gypsumA new method for continuous recovery of fine copper droplets 2020年3月31日 The current development of coalbased smelting reduction iron making process is introduced with main features of 10 smelting reduction processes Up to now, only COREX is of best performance and Development of Smelting Reduction Ironmaking
Extraction and separation of copper and iron from copper smelting slag
2022年9月25日 Compared with other copper smelting slag treatment technologies such as acid leaching and smelting, microwave fluidization roasting technology does not produce greenhouse gases such as carbon dioxide, nor does it have the characteristics of chemical corrosion and high energy consumption, so it has the advantages of clean and efficient (Yuan et al, 2022)2020年11月1日 A new process for recycling zinc and copper from the smelting slag of waste brass was investigated in this study The zinc and copper present in the smelting slag were dissolved in a ZnCl 2 –NH 4 Cl solution system To recycle copper, the lixivium was purified by a novel method termed as electrochemistry and chemistry synergetic (ECS) purificationHydrometallurgical stepwise recovery of copper and zinc from smelting 2021年5月1日 Request PDF Waste to wealth: Recovery of valueadded products from steel slag Steel slag, a byproduct generated during steel production poses a solid waste disposal challenge The same slag Waste to wealth: Recovery of valueadded products from steel slag2022年4月13日 Because of the widespread presence of arsenic in various smelting waste slags, it not only hinders the recycling and utilization of waste slag, but also causes serious pollution to the ecological environment In this study, As2O3, the main form of arsenic in nonferrous metal smelting slag, was used as the research object, and FeCl3 was used as the chlorination agent A novel method for dearsenization from arsenicbearing waste slag
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A new method for continuous recovery of fine copper droplets
2022年7月1日 A potential industrial wastewaste cotreatment process was proposed and verified for the recovery of the valuable metals Co, Ni, and Cu from copper smelting slag by utilizing high temperature SO2 2022年8月1日 This study proposed a green method to clean the copper slag and simultaneously recover copper resources via reductionsulfurizing smelting and supergravity separation at a low temperature, providing scientific guidance and application prospects for the synergistic treatment of hot copper slag with waste coke and gypsumCotreatment of copper smelting slag and gypsum residue for 2020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 2016年10月14日 Under the Al2O3FeOSiO2 ternary slag system, at a smelting temperature of 1450 °C, smelting time of 2 h, mass ratio of coke, pyrite, and CaO to waste catalysts of 16, 25, and 0%, respectively Cotreatment of waste smelting slags and gypsum wastes via
Comprehensive recycling of slag from the smelting of spent
Currently, there is a limited amount of research on the smelting slag in general Zhang S et al has successfully developed highporosity ceramics and glass ceramics using smelting slag from the waste automobile catalyst [31]In addition, the Chinese invention patent also mentioned a method for recovering rare metals lanthanum, cerium, and zirconium from smelting slag2022年4月13日 Request PDF A novel method for dearsenization from arsenicbearing waste slag by selective chlorination and lowtemperature volatilization Because of the widespread presence of arsenic in A novel method for dearsenization from arsenicbearing waste slag 2018年2月5日 Piles of steel slag, a solid waste generated from the iron and steel industry, could be seen due to no utility found for the past century Steel slag has now gained much attention because of its new applications The properties of slag greatly influence its use and thus had got varied applications The chemical composition of steel slag varies as the mineral composition Review on the innovative uses of steel slag for waste minimization2016年1月1日 In this work extraction of copper and iron from a reverberatory furnace slag was studied A twostep extraction procedure was followed The first step was roasting of the slag in the presence of Recovery of copper from smelting slag by sulphation
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Preparation of Cementitious Materials from Mechanochemically
2024年1月23日 Copper smelting slag discharged from mining and highaluminum fly ash generated during the combustion of coal for energy production are two typical bulk solid wastes, which are necessary to carry out harmless and resourceful treatment This research proposed an ecofriendly and economical method for the coconsumption of copper smelting slag and high 2018年12月1日 Environmental issues have increased the importance of recycling and management of the byproducts of smelting and mining wastes The Center for Sustainable Resource Processing (CSRP) supported by the Australian government evaluated various waste streams produced by the mineral industry from technical, economic, and environmental aspectsApplicability of gold tailings, waste limestone, red mud, and 2020年7月10日 Inspired by this, the silver diffused in smelting slag can be trapped in lead alloy by keeping the reactions under proper conditions, and then silver and lead are separated through vacuum smelting, which not only overcomes the problems of current technologies in low silver recovery and long process flow for the recovery of lead and other valuable metals, but also A novel process for silver enrichment from Kaldo smelting slag of 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 Highpurity recycling of hematite and Zn/Cu mixture from waste smelting
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Efficient recovery of copper from copper smelting slag by gravity
2024年8月15日 Copper smelting slag (CSS) is commonly generated during the smelting process of the copper concentrate, it comprises a range of valuable metals, especially the valuable copper (Cu), possessing the greatest recovery value Currently, direct flotation is commonly used to recover Cu from CSS, but the Cu recovery rate is usually below 90%