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
Slag and water slag treatment process
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 ging treatment, whereby the hydration reaction is induced to complete in a shorter period of time The accelerated aging treatment processes that have been put into practical use include Processing and Reusing Technologies for Steelmaking Slag2022年12月20日 This paper mainly summarizes and analyzes the treatment methods of metallurgical slag used as decontamination material and the removal effect of pollutants in A review of metallurgical slag for efficient wastewater treatment 2023年7月21日 The water quenching granulation process, also known as the wet treatment process, is a process that uses a highpressure water stream to quickly cool the blast furnace Comprehensive utilisation of blast furnace slag Taylor Francis
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Comprehensive utilisation of blast furnace slag Taylor Francis
introduce the current status quo of comprehensive utilisation of blast furnace slag from the current blast furnace slag sensible heat recovery of molten steel 1 Overview of blast furnace 2019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 Slags2014年2月19日 In addition to the slag granulation process with pollution control and continuously dewatering (INBA™ process), several modified blast furnace (BF) slag Current Development of Slag Valorisation in China2018年2月5日 Firstly, the amount of waste slag to be disposed of is reduced; secondly, expensive chemical reagents required for water treatment are saved; thirdly, water resources, Valorization of Metallurgical Slag for the Treatment of Water
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Treatment of steel rolling sludge incineration slag via iron ore
1 天前 Steel rolling sludge, an oilcontaining waste generated during steel production, was difficult to manage Prolonged storage poses significant environmental and health hazards Most steel enterprises in China use steel rolling sludge directly as a raw material for sintering However, its adhesive nature caused poor mixing with other materials, affecting the quality of the sinter Effect of crushed (425 µm) and uncrushed steel slag on turbidity removal efficiency The images were taken for the slag sample before and after the EC treatment process at 10 mA/cm2 current density and 10 min residence time Steel slag promoted electrocoagulation process for 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 a waste product has Recycled Smelter Slags for In Situ and Ex Situ Water 2018年2月5日 Valorization of metallurgical slag as a material for the treatment of polluted water resources has a threefold environmental impact and enhances the sustainability of both the metallurgical industry and watertreatment processes Firstly, the amount of waste slag to be disposed of is reduced; secondly, expensive chemical reagents required for water treatment Valorization of Metallurgical Slag for the Treatment of Water
A Review on the Carbonation of Steel Slag: Properties,
2024年4月28日 Steel slag is a byproduct of the steel industry and usually contains a high amount of fCaO and fMgO, which will result in serious soundness problems once used as a binding material and/or aggregates To relieve this negative effect, carbonation treatment was believed to be one of the available and reliable methods By carbonation treatment of steel 2019年7月1日 Large amounts of lead slag are produced during the production of primary lead and secondary lead Considering lead concentrate smelting as an example, a primary lead smelting system production of 1 t of lead will discharge 7100 kg of lead slag (Hou, 2011)At the secondary lead recycling process, for each ton of metallic lead produced, 100–350 kg of slag A review on lead slag generation, characteristics, and utilizationhightemperature steam, “hot water aging treatment” that immerses the slag in hot water, and “high pressure aging treatment” that causes the slag to react with steam in a vessel under high pressure (eg, 061 MPa) In recent years, in Japan, steam aging treatment or high pressure aging treatment is often applied to steelmaking slag beforeProcessing and Reusing Technologies for Steelmaking Slag2022年12月20日 Acid treatment as a common pretreatment method for metallurgical slag usually used sulfuric acid (H 2 SO 4), hydrochloric acid (HCl) and nitric acid (HNO 3)The added acidic solution can react with the alkaline substances in the metallurgical slag, increase the specific surface and pore diameter of the metallurgical slag, generate rich active sites, and A review of metallurgical slag for efficient wastewater treatment
Cotreatment of Waste From Steelmaking Processes: Steel Slag
2020年10月15日 It is necessary to closely control the temperature and water amount during the process of SS direct aqueous carbonation since increased temperatures can increase Moreover, the treatment and application of carbonized slag and residual slag requires further study while the longterm leaching behavior of carbonated slag and The invention relates to a slag treatment process, which comprehensively utilizes solid waste treatment technologies such as crushing, screening, magnetic separation, jigging separation, table separation and the like to carry out separation pretreatment on slag, can effectively recycle waste metals such as Fe, Cu, Al and the like, effectively separates and collects unburned CNA Slag treatment process Google Patents2013年7月1日 Steel slag is a byproduct discharged from the steelmaking process, which is characterized by abundant free calcium/magnesium oxide, low cementitious properties, and high contents of heavy metalsTreatment process and utilization technology of steel slag in 2019年5月23日 The treatment of polluted water with slag includes absorption filtration on the slag surface and precipitation of heavy metal ions which is results as polluted water becomes alkaline because Zhang RP (2013) Production Practice of BX steelslag and fever treatment process Bengang Technology 2:5–8 Google Scholar Comprehensive Utilization Technology of Steel Slag
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Steel Slag an overview ScienceDirect Topics
Factorial studies of various process variables that affect slag carbonation have also been carried out (Polettini et al, 2016b) The effect of slag to water ratio in the slurry, slurry temperatures, and CO 2 pressures on aqueous slag carbonation have been studied by several authors (Su et al, 2016; Ukwattage et al, 2017)2021年11月3日 The technological factors required to improve the operational properties of granulated metallurgical slags demanded in the building industry have been analyzed In order to satisfy these factors, a new technology for hydrovacuum granulation of slag melts (HVG) has been developed It is shown that the main advantage of the proposed HVG process is the A new technological approach to the granulation of slag melts of 2017年9月1日 Here we review common slag handling practices, the developments in dry slag granulation over the last three decades, introduce the EcomaisterHatch dry slag granulation process, and elaborate on (PDF) RECENT DEVELOPMENTS IN DRY SLAG GRANULATION: A2020年1月1日 To recycle this waste slag after the water treatment process, significantly alters the composition of various chemical phases present in the slag by reacting with them during the water treatment process iii) The formation of various reaction products within Recycling steel slag from municipal wastewater treatment plants into
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 and can serve as a 2024年6月12日 1 INTRODUCTION Blast furnace slag (BFS) and steel slag (SS), as industrial solid wastes produced in the process of steelmaking, account for 80%–90% of the total smelting slag [] BFS accounts for about 30% of pig iron output, [] while SS accounts for 10%–15% of the crude steel output [] SS comprises various slags, including basic oxygen furnace slag (BOFS) Recycling of iron and steel slag for carbon reduction and low 2022年2月2日 This study presents an economical and efficient method to decolourise dye wastewater using industrial waste stainless steel slag (SSS) Titanium dioxide was immobilised on SSS by a precipitation–calcination method Samples with different TiO2 loadings (prepared using either titanium isopropoxide precursor or commercial TiO2 nanoparticles) were used to Synergetic adsorption–photocatalysis process for water treatment 2018年2月5日 Firstly, the amount of waste slag to be disposed of is reduced; secondly, expensive chemical reagents required for water treatment are saved; thirdly, water resources, which are unfit for human (PDF) Valorization of Metallurgical Slag for the Treatment of Water
Energy–environment–economy evaluations of ScienceDirect
2016年6月1日 The WQ systems (including OCP, INBA, TYNA, and RASA) are mature in industrial application The process of slag treatment by WQ systems is depicted principally in Fig 1 a It involves the slag granulation by highpressure water, slag splitter from water, slag transmission and slag drying2021年7月1日 The fine slag from coal–water slurry gasification and the fine slag from pulverized coal gasification followed different pyrolysis rules due to different functional group structures after proposed a process for the treatment of fine slag The fine gasification slag first entered the clarification tank and was deposited Review of the characteristics and graded utilisation of coal 2012年5月30日 Today, the salt slag treatment (minimization of landfilling problems) is generally done in Europe, US and Canada The aluminium and the salt within the salt slag are recovered [28], [29], [30] Its composition varies with its origins, comprising 5–7 Base Case Process (leaching in water at 25 Aluminium salt slag characterization and utilization – A review2022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 putting the hotmelt blast furnace slag into water for rapid cooling, which mainly includes slag pool water quenching or furnace front What is Blast Furnace Slag and How to Process It?
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Review Accelerated carbonation of steel slag: A review of methods
2024年1月12日 Steel slag is a byproduct of the steel production process, accounting for approximately 15% of the whole crude steel output [1]The accumulation of untreated steel slag not only occupies a significant amount of land but also leads to the leaching of heavy metal ions (such as vanadium, chromium, arsenic, lead, cadmium), polluting surrounding water sources 2021年6月14日 Hightemperature molten steel slag is a large amount of industrial solid waste containing available heat energy and resources This paper introduces an efficient and comprehensive utilization process of hightemperature molten steel slag The waste heat energy in the hightemperature molten steel slag can be fully recovered through the threestage heat ThreeStage Method Energy–Mass Coupling HighEfficiency Utilization Desalination and Water Treatment deswater doi: 105004/dwt202024881 177 (2020) 80–88 February Steel slag promoted electrocoagulation process for the treatment of produced water Alaa H Hawaria,*, Mustafa AlGhoul b, Mhd Ammar Hafiza, Ahmed T Yasira, Khaled Aljaml c, Amina Ltaief aSteel slag promoted electrocoagulation process for the treatment 2011年10月27日 EAF Slag Process The BOS process needs to be fed with molten iron, whereas the Electric Arc Furnace (EAF) can operate with a feed consisting partly or entirely of solid metal such as scrap This gives rise to two significant differences in the slag, which is otherwise fairly similar in chemical compositionBasics of slag production Article on the slag industry from Global Slag
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Utilization of ferrous slags as coagulants, filters, adsorbents
2023年6月1日 According to the US Geological Survey (USGS, 2022), the output of ferrous slag worldwide in year 2021was estimated between 190 and 280 million tonnes for steelmaking and between 340 and 410 million tonnes for ironmakingAfter proper treatment, it is anticipated that ferrous slag will be recycled as a secondary resource for sustainability and energy savings in 2022年10月21日 The harmless treatment of historical lead smelting slag (LSS) is of significance to ecological and environmental protection, but it is still challenging in terms of the economic feasibility of alone processing due to the low content of valuable metals Here, we performed an industrialized test with a cotreatment of LSS and zinc oxide ore in a rotary kiln to evaluate the Historical Lead Smelting Slag Harmlessness and Valuable Metals1 天前 Steel rolling sludge, an oilcontaining waste generated during steel production, was difficult to manage Prolonged storage poses significant environmental and health hazards Most steel enterprises in China use steel rolling sludge directly as a raw material for sintering However, its adhesive nature caused poor mixing with other materials, affecting the quality of the sinter Treatment of steel rolling sludge incineration slag via iron ore Effect of crushed (425 µm) and uncrushed steel slag on turbidity removal efficiency The images were taken for the slag sample before and after the EC treatment process at 10 mA/cm2 current density and 10 min residence time Steel slag promoted electrocoagulation process for
Recycled Smelter Slags for In Situ and Ex Situ Water
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 a waste product has 2018年2月5日 Valorization of metallurgical slag as a material for the treatment of polluted water resources has a threefold environmental impact and enhances the sustainability of both the metallurgical industry and watertreatment processes Firstly, the amount of waste slag to be disposed of is reduced; secondly, expensive chemical reagents required for water treatment Valorization of Metallurgical Slag for the Treatment of Water 2024年4月28日 Steel slag is a byproduct of the steel industry and usually contains a high amount of fCaO and fMgO, which will result in serious soundness problems once used as a binding material and/or aggregates To relieve this negative effect, carbonation treatment was believed to be one of the available and reliable methods By carbonation treatment of steel A Review on the Carbonation of Steel Slag: Properties, 2019年7月1日 Large amounts of lead slag are produced during the production of primary lead and secondary lead Considering lead concentrate smelting as an example, a primary lead smelting system production of 1 t of lead will discharge 7100 kg of lead slag (Hou, 2011)At the secondary lead recycling process, for each ton of metallic lead produced, 100–350 kg of slag A review on lead slag generation, characteristics, and utilization
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Processing and Reusing Technologies for Steelmaking Slag
hightemperature steam, “hot water aging treatment” that immerses the slag in hot water, and “high pressure aging treatment” that causes the slag to react with steam in a vessel under high pressure (eg, 061 MPa) In recent years, in Japan, steam aging treatment or high pressure aging treatment is often applied to steelmaking slag before2022年12月20日 Acid treatment as a common pretreatment method for metallurgical slag usually used sulfuric acid (H 2 SO 4), hydrochloric acid (HCl) and nitric acid (HNO 3)The added acidic solution can react with the alkaline substances in the metallurgical slag, increase the specific surface and pore diameter of the metallurgical slag, generate rich active sites, and A review of metallurgical slag for efficient wastewater treatment 2020年10月15日 It is necessary to closely control the temperature and water amount during the process of SS direct aqueous carbonation since increased temperatures can increase Moreover, the treatment and application of carbonized slag and residual slag requires further study while the longterm leaching behavior of carbonated slag and Cotreatment of Waste From Steelmaking Processes: Steel Slag The invention relates to a slag treatment process, which comprehensively utilizes solid waste treatment technologies such as crushing, screening, magnetic separation, jigging separation, table separation and the like to carry out separation pretreatment on slag, can effectively recycle waste metals such as Fe, Cu, Al and the like, effectively separates and collects unburned CNA Slag treatment process Google Patents