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
Community Cleaning Limestone Crusher Smelting Waste Slag
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Life cycle assessment of melting reduction treatment for iron
2022年11月1日 Blast furnace slag is the waste slag discharged from smelting pig iron in the blast furnace, belonging to the waterquenched slag It has good potential hydraulic properties 2021年5月1日 Details of the mainstream and recently developed routes for metallurgical recycling and further cleaning of copper slag are also summarised, such as flotation, leaching, Comprehensive review on metallurgical recycling and cleaning of copper slag2018年7月12日 摘要: 有色金属冶炼渣具有成分复杂、环境危害大等特点，属大宗工业固体废物，其综合利用是固体废物处理处置的难点本文综述了有色金属冶炼渣中典型的铜冶炼渣、赤 有色金属冶炼渣脱硫脱硝研究进展 RCEES2015年6月1日 The results impact how slag waste is disposed, how slag waste piles are treated, and if and how slag is used as a resource for construction or environmental applications In Characteristics and environmental aspects of slag: A review
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Utilization and detoxification of gypsum sludge by replacing
2023年5月26日 为探究用石 膏污泥替代石灰石进行冶炼造渣的可行性, 通过热力学计算和实验研究了石膏污泥以及冶炼条件对高 铅渣还原熔炼的影响。 结果表明: 石膏污泥中的硫酸钙会消耗 2020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 smelting 2024年5月21日 Key findings indicate that different ore concentrate materials, smelting conditions and types determine chemical and mineralogical characteristics of smelting slag Moreover, Characteristic, resource approaches and safety utilization 2023年3月6日 The study revealed that ferrous slags are more effective in removing a wide range of toxic chemicals than nonferrous smelter slags It investigated the necessary improved approach through the 5Rs (ie, reduce, Recycled Smelter Slags for In Situ and Ex Situ
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Sustainable Approaches for LD Slag Waste
2016年5月16日 Reduce, reuse, and recycle are important techniques for waste management These become significant for improving environmental and economic condition of industries Integrated steel industries are generating 2002年11月1日 Slag cleaning can be carried out as part of an existing circuit or as a posttreatment operation to recover valuable metals that are lost to the slag during the initial The role of slag modifiers on the selective recovery of cobalt and 2015年3月25日 Cleaning 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 contamination Cleaning of high antimony smelting slag from an oxygen2017年2月1日 Massive emissions of smelting waste slag (SWS) cause serious harm to environment because of including toxic metal such as zinc and lead Reductionvolatilization is considered as a effective method to trap toxic metal elements from SWS Golbal Symposium on Recycling: Waste Treatment and Clean Technology held in San Sebastioan 5–9 (1999 Clean strengthening reduction of lead and zinc from smelting waste slag
The bioleaching feasibility for Pb/Zn smelting slag and community
2009年2月1日 The feasibility of recovering metal values and removing hazardous elements from the Pb/Zn smelting slag using bioleaching technique were studied through a flask experiment, and the community 2016年5月16日 Reduce, reuse, and recycle are important techniques for waste management These become significant for improving environmental and economic condition of industries Integrated steel industries are generating huge amounts of steel slag as waste through the blast furnace and Linz–Donawitz (LD) process Presently, these wastes are disposed by dumping in Sustainable Approaches for LD Slag Waste Management in DOI: 101016/JJCLEPRO201807203 Corpus ID: ; Green and efficient utilization of waste ferricoxide desulfurizer to clean waste copper slag by the smelting reductionsulfurizing processGreen and efficient utilization of waste ferricoxide 2023年6月1日 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 experimentalUtilization and detoxification of gypsum sludge by
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Ferrochrome slag: A critical review of its properties,
2023年1月15日 Ferrochrome slag (FCS) is a byproduct of ferrochrome industries and is produced during the extraction of ferrochrome from chromite ore The chemical composition of FCS comprises of 27–33% SiO 2, 15–25% Al 2 O 3, 20–35% MgO, and 10–15% ironchromium compoundsThe high chromium content of FCS and the possibility of its leaching into the 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 Advances in recovery of valuable metals and waste heat from copper slag 2022年5月11日 Concrete is a composite material widely used in construction Waste slag smelting (pyrometallurgical) (steel slag (SS)) is a molten liquid melt of silicates and oxides created as a byproduct of steel production It is a complex solution of silicates and oxides Steel slag recovery conserves natural resources and frees up landfill space Steel slag has been used in Electrical conductivity, microstructures, chemical 2021年12月1日 Generally, the processing was performed with similar assumptions than TSLS with PSC, but the tapping of matte and slag from the primary smelting furnace was done from separate tapholes Slag with iron to silica ratio 135 was transported to slow cooling while matte with 65% Cu was granulated Smelting slag was treated in a slag parison of environmental performance of modern copper smelting
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Innovative methodology for comprehensive and harmless
2018年6月20日 Copper slag is a waste generated from pyrometallurgical production of copper (Potysz et al, 2015)Typically, copper smelting slag contains about 1 wt% Cu and 40 wt% Fe with a great deal of silica (SiO 2) and minor amounts of other elements (Ni, Pb, Zn, As) (Gbor et al, 2000)It is estimated that for every ton of copper metal produced, approximately 2–3 tons 2023年1月1日 The growing environmental pressure to reduce waste and contamination has prompted an extensive study to examine all viable waste reduction and recycling optionsUtilization of steel slag waste as construction 2022年2月26日 Blast furnace slag can be processed into the following materials by various processes In China, blast furnace slag is usually processed into water slag, slag gravel, expanded slag and slag beadsWater slag is the process of What is Blast Furnace Slag and How to Process It Industrial solid waste (ISW) is a collection of waste produced in the process of industrial manufacturing [1], [2]In recent decades, the global production of ISW has continued to increase, in China, for example, by 2020 to reach a staggering 368 billion ton [3], [4]ISW generally has the characteristics of large storage, continuous environmental pollution, rich in valuable metals, Practical experience to theoretical innovation: A model for
Innovation and performance of lead smelting slagbased
2024年1月12日 Lead smelting slag (LSS) is a solid waste of lead production with multiple heavy metals that can irreversibly damage natural ecosystems The CC was processed by a jaw crusher and milled in a ball mill to obtain CC powder (D 50 =225 µm) The DG was first dried in an oven at 105 °C for 24 h to remove free water, and then ground in a ball 2015年6月1日 During the smelting step, SiO 2, limestone, or iron sources (eg, ironstone, iron silicates or iron oxides) are added as fluxes and carbon in the form of coke, charcoal, coal, or wood is added as a fuel and reductant For Cu ores, the matte or molten metal phases are separated from the slag and enter the converter The results impact how Characteristics and environmental aspects of slag: A review2024年2月7日 Reduction The reduction process for copper slag is typically followed by magnetic separation []Depending on the temperature and intensity of reduction, it can be classified as direct reduction, deep reduction, and smelting reduction []Commonly used reducing agents include coke, biomass carbon, and natural gas [31, 32]The reduction process converts Resource Utilization of Copper Slag with a Focus on‘slag’ generally refers to ground, granulated, iron blast furnace slag – with the descriptors to be explained and developed in this technical note In a general sense, the term ‘slag’ refers to a waste material separated from metals during the smelting or refining of an ore in a blast furnace ‘Slags’ are formed during the smelting orGround Slag Properties, Characterisation and Uses
Highpurity recycling of hematite and Zn/Cu mixture from waste smelting
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 2023年3月3日 Copper slag, a waste solid produced in the copper smelting process, is a highquality 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 Review on Comprehensive Recovery Valuable Metals and 2019年9月3日 Limestone was used as a flux, natural gas was used as a fuel, and coal Ferronickel smelting generates too much slag report to the slag phase, which is regarded as waste For a number of (PDF) Nickel Laterite Smelting Processes and Some2023年3月16日 The term “slag” is used for different materials which result from solidification of a meltSometimes it refers to pyroclastic rocks [], sometimes to ashes, eg from waste incineration, which have undergone sintering due to partial melting [], but mostly for pyrometallurgical residues which result from the reaction of slagforming agents with gangue or impurities in the metal in Mineralogy of Metallurgical Slags SpringerLink
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Efficient recovery of copper from copper smelting slag by
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%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 Resource utilization strategy of Febearing smelting slag in 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 Extraction and separation of copper and iron from copper smelting slag 2019年7月1日 Waste engine oil (WEO), as a waste resource, has not been fully exploited Using WEO as a reductant for copper slag cleaning is quite meaningful Fe3O4 is an important element in copper slag cleaningReduction of Copper Smelting Slag Using Waste Cooking Oil
Removal of arsenic in acidic wastewater using Lead–Zinc smelting slag
2022年8月1日 The LZS slag was generated after the separation of Pb and Zn from during Leadzinc ore smelting, which is some large grains with distinct water chestnuts, as shown in Fig S2a It estimates the average diameter of 154 μm and its surface area is 0713 m 2 /g ( Fig S2c )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 2021年1月28日 Ni, Co can also be achieved in slag cleaning process Reductive smelting of copper slag with addition of coal, pyrite (FeS 2 ) and fluxes (such as CaCO 3 ) in electric furnace is a potential Comprehensive review on metallurgical recycling and cleaning of copper slag2008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 water
Cleaning of high antimony smelting slag from an oxygen
2015年3月25日 Cleaning 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 contamination 2017年2月1日 Massive emissions of smelting waste slag (SWS) cause serious harm to environment because of including toxic metal such as zinc and lead Reductionvolatilization is considered as a effective method to trap toxic metal elements from SWS Golbal Symposium on Recycling: Waste Treatment and Clean Technology held in San Sebastioan 5–9 (1999 Clean strengthening reduction of lead and zinc from smelting waste slag 2009年2月1日 The feasibility of recovering metal values and removing hazardous elements from the Pb/Zn smelting slag using bioleaching technique were studied through a flask experiment, and the community The bioleaching feasibility for Pb/Zn smelting slag and community 2016年5月16日 Reduce, reuse, and recycle are important techniques for waste management These become significant for improving environmental and economic condition of industries Integrated steel industries are generating huge amounts of steel slag as waste through the blast furnace and Linz–Donawitz (LD) process Presently, these wastes are disposed by dumping in Sustainable Approaches for LD Slag Waste Management in
Green and efficient utilization of waste ferricoxide
DOI: 101016/JJCLEPRO201807203 Corpus ID: ; Green and efficient utilization of waste ferricoxide desulfurizer to clean waste copper slag by the smelting reductionsulfurizing process2023年6月1日 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 experimentalUtilization and detoxification of gypsum sludge by 2023年1月15日 Ferrochrome slag (FCS) is a byproduct of ferrochrome industries and is produced during the extraction of ferrochrome from chromite ore The chemical composition of FCS comprises of 27–33% SiO 2, 15–25% Al 2 O 3, 20–35% MgO, and 10–15% ironchromium compoundsThe high chromium content of FCS and the possibility of its leaching into the Ferrochrome slag: A critical review of its properties, 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 Advances in recovery of valuable metals and waste heat from copper slag
Electrical conductivity, microstructures, chemical
2022年5月11日 Concrete is a composite material widely used in construction Waste slag smelting (pyrometallurgical) (steel slag (SS)) is a molten liquid melt of silicates and oxides created as a byproduct of steel production It is a complex solution of silicates and oxides Steel slag recovery conserves natural resources and frees up landfill space Steel slag has been used in 2021年12月1日 Generally, the processing was performed with similar assumptions than TSLS with PSC, but the tapping of matte and slag from the primary smelting furnace was done from separate tapholes Slag with iron to silica ratio 135 was transported to slow cooling while matte with 65% Cu was granulated Smelting slag was treated in a slag parison of environmental performance of modern copper smelting