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
Ultrafine alumina ash, overhaul slag, aluminum electrolyte
Research Progress of Electrolytic Aluminum Overhaul Slag Disposal
2023年4月25日 This article analyzes and summarizes the composition and hazards of the overhaul slag and the current development status of domestic and international electrolytic 2023年8月1日 The dissolution behaviors of overhaul slag were fitted by a mass transfer model to obtain the dissolution parameters including dissolution capacity and dissolution rate This work Dissolution behavior of overhaul slag from aluminum reduction 2024年2月1日 In this paper, an innovative process of sulfuric acid roasting and water leaching is proposed, which can efficiently and environmentally recover F, Al and Li from overhaul slag A novel approach for extracting lithium from overhaul slag by low 2023年9月1日 This study employed hydrometallurgical processes to selectively leach lithium from Licontaining aluminum electrolyte slag, using sodium carbonate solution as the leaching Clean Process for Selective Recovery of Lithium Carbonate from
Efficient lithium recovery from electrolytic aluminum slag via an
2024年1月1日 A novel approach for lithium recovery from waste lithiumcontaining aluminum electrolyte by a roastingleaching process Anode carbon residue is produced in the production 2024年7月24日 The lithium was selectively recovered and enriched from spent aluminum electrolyte slag by using calcium salt roasting transformation followed by HBL121solvent Cleaner Process for the Selective Extraction of Lithium from Spent 2023年4月25日 This article analyzes and summarizes the composition and hazards of the overhaul slag and the current development status of domestic and international electrolytic 电解铝大修渣处置研究进展2024年5月23日 16 Million metric tons of spent carbon electrodes modify carbonrich solid wastes from aluminum electrolysis are produced annually, threatening ecosystems by cyanide The recycling of carbonrich solid wastes from aluminum
A novel approach for lithium recovery from waste lithium
2021年10月1日 In this paper, a novel approach is developed for achieving the separation/recovery of lithium from spent lithiumcontaining aluminum electrolyte by a sodium 2024年5月25日 This study investigated the influences of ultrafine fly ash (UFA) and ultrafine slag powder (USL) on the compressive strengths, autogenous shrinkage, phase assemblage, and microstructure of magnesium potassium Influence of Ultrafine Fly Ash and Slag Powder on 2024年7月24日 Spent aluminum electrolyte slag is a byproduct produced during the electrolysis of aluminum and contains elements such as F, Al, Na, and Li It is a toxic and harmful substance with a stable and complex structure As a Cleaner Process for the Selective Extraction of Lithium 2024年1月1日 Semantic Scholar extracted view of "Efficient lithium recovery from electrolytic aluminum slag via an environmentally friendly process: Leaching behavior and Green and efficient separation of fluorine from spent aluminum electrolyte by aluminum sulfate solution: Leaching behavior and mechanism Lingqi Meng Tianxiang Hao +5 Efficient lithium recovery from electrolytic aluminum slag via an
Aluminium Hydroxide Ultrafine Powder Extracted from Fly Ash
2012年5月1日 Al(OH)3 ultrafine powder was extracted from fly ash with the method of dispersing agentcarbonizating Fly ash is activated by the method of sintering with limestone, so the inert mullite can be 2011年1月1日 The XRD analysis of alumina particles in Figure 8b reveals peaks at 323°, 355°, 395°, and 465°, which indicate the presence of mixed phases of alumina oxides, ie, boehmite, gammaalumina Preparation of Ultrafine Aluminum Hydroxide from Coal Fly Ash The main components in the aluminum slag are metallic aluminum, alumina, aluminum nitride, fluoride salts, chloride salts, as well as the elements such as iron, silicon, magnesium, and calcium The secondary aluminum dross is generated by separation of metallic aluminum from aluminum slag and is toxic and harmful, which pollutes the environmentTechnical Report International Aluminium2024年5月23日 16 Million metric tons of spent carbon electrodes modify carbonrich solid wastes from aluminum electrolysis are produced annually, threatening ecosystems by cyanide and fluoride pollution Here, we review carbonrich solid wastes with focus on sources and hazards, detoxification, separation, recovery, recycling and disposal Treatment techniques The recycling of carbonrich solid wastes from aluminum
Stepwise extraction of lithium and potassium and recovery of
2024年6月29日 Aluminum electrolyte is a necessity for aluminum reduction cells; however, its stock is rising every year due to several factors, resulting in the accumulation of solid waste Currently, it has become a favorable material for the resources of lithium, potassium, and fluoride In this study, the calcification roasting–twostage leaching process was introduced to extract 2023年8月2日 The highvalue, green and harmless purification of aluminum electrolysis comprehensive solid waste can not only reduce its harm to the environment and soil but also separate and recover the highvalue rare elements This study aims to develop a process for recovering and treating waste aluminum electrolytes by sulfuric acid roasting The results of Sustainable Recovery of Fluorine from Waste Aluminum Electrolyte 2020年1月2日 The invention discloses a fluorineretaining agent for overhaul slag of an aluminum electrolytic cell The fluorineretaining agent comprises the following components of, by mass, 80100 parts of calcium sulfate, 6080 parts of calcium oxide, 5070 parts of calcium hydroxide and 3060 parts of calcium chloride The invention further discloses a method for Fluorineretaining agent for overhaul slag of aluminum 2022年2月6日 Abstract Highalumina coal fly ash (CFA) is considered as an important and cheap resource of aluminum On account of high valence aluminum often trapped in aluminosilicate basic glassy phase and mullite (Al6Si2O13), efficiently separating aluminum and silicon is an essential precondition for maximizing the recycling of alumina from CFA, which is Separation of alumina from aluminumrich coal fly ash using
A novel approach for extracting lithium from overhaul slag by low
2024年2月1日 Overhaul slag, as one of the main hazardous solid wastes generated in the electrolytic aluminum, has high research value [12]The electrolytic cell lining is eroded by continuous chemical corrosion of hightemperature molten metal and salt, resulting in expansion and peeling off, leading to low production efficiency and degradation of performance [13]2020年12月1日 The rapid development of the electrolytic aluminum industry in China and the increasing demand for aluminum products have led to the development of many lowgrade bauxite mines with an average Li 2 O content of at least 058% (Wang et al, 2013)Due to the use of this lowgrade bauxite in the electrolytic aluminum process, the content of lithium in the Novel process for the extraction of lithium carbonate from spent 2023年11月30日 Coal fly ash (CFA) is an increasingly prevalent byproduct that necessitates more resourceful and ecofriendly processing methods Extracting aluminum from CFA is a crucial aspect of promoting sustainable development in the alumina industry In this paper, a technique for comprehensive extraction of silica and alumina from circulating fluidized bedbased CFA is Comprehensive Extraction of Silica and Alumina from Coal Fly Ash 2022年10月9日 Where, γ c refers to the yield of flotation concentrate (%); A c (%) and A f (%) are the ash content of flotation concentrate and feed material, respectively 3 Results and discussion 31 Characterization of raw carbon anode slag The cumulative particle size result is shown in Figure 1From Figure 1, the content of fraction size of 0125 mm–0074 mm (3076%) Recovery of carbon and cryolite from spent carbon anode slag of
A novel approach for ultrasonic assisted organic acid leaching of
2023年10月1日 Currently, the green resource utilization in the aluminum electrolysis industry mainly focuses on the solid waste treatment of aluminum electrolysis tank overhaul slag, the resource utilization of waste cathodes, and the recovery of electrolytic tank waste heat There are few reports on lithium recovery from waste aluminum electrolytes [16,17]2012年5月1日 Al(OH)3 ultrafine powder was extracted from fly ash with the method of dispersing agentcarbonizating Fly ash is activated by the method of sintering with limestone, so the inert mullite can be convert into C12A7 which can be dissolved in Na2CO3 liquor The conversion of βC2S to γC2S is accompanied by an increase in volume and results in the selfpulverization of Aluminium Hydroxide Ultrafine Powder Extracted from Fly Ash2022年1月3日 Ferrotitanium slag was used as a sintering aid to prepare highperformance alumina (Al2O3) ceramics by pressureless sintering at different temperatures The bulk density, apparent porosity, bending strength, and hardness of the 99 wt% Al2O3 ceramics after sintering at 1420 °C were 391 g/cm3, 016%, 38937 (± 761) MPa, and 1564 (± 016) GPa On the Fundamental Research on the Densification of Alumina 2023年5月20日 Due to chemical corrosion and erosion by molten aluminum liquid and electrolyte, the carbon anode of the aluminum electrolytic cell would fall off into the electrolyte during the primary aluminum electrolysis process to produce spent anode carbon (SCA), which has been listed as one of the typical hazardous solid wastes in the National Hazardous Waste Regeneration of raw materials for aluminum electrolysis from
The Development of Aluminum Industry and Technology in China
(4) Green and Safe Disposal Technology for Aluminum Electrolysis Pollutants This technology solves a number of technical problems in the green, safe disposal and resourceful use of aluminum electrolysis overhaul slag and secondary aluminum ash, 2023年10月1日 Crush and grind the waste aluminum electrolyte fine Fig 1 (b) shows the particle size analysis, and the results show that the average particle size of the treated aluminum electrolyte powder is 4528 μm Fig 1 (c) shows the XRD diagram, which shows that the waste aluminum electrolyte mainly comprises Na 3 AlF 6, CaF 2, LiF, K 2 NaAlF 6, and A novel approach for ultrasonic assisted organic acid leaching of 2023年4月13日 Aluminium is produced by electrolysis using alumina (Al2O3) as raw material and cryolite (Na3AlF6) as electrolyte In this HallHéroult process, the energy consumption is relatively large, and A comprehensive review of aluminium electrolysis and the waste 2019年2月1日 Aluminum ash is an industrial waste residue produced during alumina electrolysis and aluminum processing and casting In the experiment, alumina powder with a purity of 9897% was prepared by sintering with sodium hydroxide and the process conditions affecting the dissolution rate of Al 2 O 3 from aluminum ash were studied The best process conditions for Preparation of Alumina from Aluminum Ash by Sintering with
Kinetics of aluminum extraction from roasting activated fly ash by
2023年11月9日 The process of extracting aluminum with sulfuric acid from highalumina fly ash activated by roasting with Na2CO3 and NaOH as raw materials ware studied The results revealed that the aluminum in fly ash activated by sodium carbonate reached 932% under the optimum conditions (30% H2SO4, 90°C, 120 min, and liquidtosolid ratio was 5:1) 2013年6月15日 The fly ash with alumina composition from 45 to 55 % has been found in China in last 10 years, which attracts great attention from Chinese government and related alumina industry Chinese government and its stateowned enterprises have successfully extracted the Al as alloy product from the highalumina fly ash However, to recycle the calcium silicate slag as Thermal activation on calcium silicate slag from highalumina fly ash 2019年8月1日 Highalumina fly ash microbeads and steel slag were used as main raw materials to synthesize feldspar porous ceramics via hightemperature solid phase sintering by adding pulverized coal as a pore Preparation of anorthitebased porous ceramics using highalumina 2022年12月12日 Based on the research on bulk solid waste contact molding technology by our team [49], the comprehensive performance of pressed bricks with different ratios of aluminum ash and calcium carbide slag was investigated, the ratios of aluminum ash and calcium carbide slag are 9:1 ∼ 1:9 and pure aluminum ash and calcium carbide slag, the pressing pressure is 300 Comprehensive performance study of aluminum ash and calcium
Recovery of carbon and cryolite from spent carbon anode slag of
2022年10月10日 One of the main electrolytic aluminum production costs is the consumption of carbon anodes, and carbon anode slag is a common hazardous waste in the aluminum industry2023年6月2日 This paper presents experimental data on the dependence on alumina and calcium fluoride concentrations of the viscosity of the industrial electrolytes NaFAlF3CaF2Al2O3 with cryolite ratios (CR Efficient extraction and recovery of lithium from waste aluminum 2024年5月25日 This study investigated the influences of ultrafine fly ash (UFA) and ultrafine slag powder (USL) on the compressive strengths, autogenous shrinkage, phase assemblage, and microstructure of magnesium potassium Influence of Ultrafine Fly Ash and Slag Powder on 2024年7月24日 Spent aluminum electrolyte slag is a byproduct produced during the electrolysis of aluminum and contains elements such as F, Al, Na, and Li It is a toxic and harmful substance with a stable and complex structure As a Cleaner Process for the Selective Extraction of Lithium
Efficient lithium recovery from electrolytic aluminum slag via an
2024年1月1日 Semantic Scholar extracted view of "Efficient lithium recovery from electrolytic aluminum slag via an environmentally friendly process: Leaching behavior and Green and efficient separation of fluorine from spent aluminum electrolyte by aluminum sulfate solution: Leaching behavior and mechanism Lingqi Meng Tianxiang Hao +5 2012年5月1日 Al(OH)3 ultrafine powder was extracted from fly ash with the method of dispersing agentcarbonizating Fly ash is activated by the method of sintering with limestone, so the inert mullite can be Aluminium Hydroxide Ultrafine Powder Extracted from Fly Ash2011年1月1日 The XRD analysis of alumina particles in Figure 8b reveals peaks at 323°, 355°, 395°, and 465°, which indicate the presence of mixed phases of alumina oxides, ie, boehmite, gammaalumina Preparation of Ultrafine Aluminum Hydroxide from Coal Fly Ash The main components in the aluminum slag are metallic aluminum, alumina, aluminum nitride, fluoride salts, chloride salts, as well as the elements such as iron, silicon, magnesium, and calcium The secondary aluminum dross is generated by separation of metallic aluminum from aluminum slag and is toxic and harmful, which pollutes the environmentTechnical Report International Aluminium
The recycling of carbonrich solid wastes from aluminum
2024年5月23日 16 Million metric tons of spent carbon electrodes modify carbonrich solid wastes from aluminum electrolysis are produced annually, threatening ecosystems by cyanide and fluoride pollution Here, we review carbonrich solid wastes with focus on sources and hazards, detoxification, separation, recovery, recycling and disposal Treatment techniques 2024年6月29日 Aluminum electrolyte is a necessity for aluminum reduction cells; however, its stock is rising every year due to several factors, resulting in the accumulation of solid waste Currently, it has become a favorable material for the resources of lithium, potassium, and fluoride In this study, the calcification roasting–twostage leaching process was introduced to extract Stepwise extraction of lithium and potassium and recovery of 2023年8月2日 The highvalue, green and harmless purification of aluminum electrolysis comprehensive solid waste can not only reduce its harm to the environment and soil but also separate and recover the highvalue rare elements This study aims to develop a process for recovering and treating waste aluminum electrolytes by sulfuric acid roasting The results of Sustainable Recovery of Fluorine from Waste Aluminum Electrolyte 2020年1月2日 The invention discloses a fluorineretaining agent for overhaul slag of an aluminum electrolytic cell The fluorineretaining agent comprises the following components of, by mass, 80100 parts of calcium sulfate, 6080 parts of calcium oxide, 5070 parts of calcium hydroxide and 3060 parts of calcium chloride The invention further discloses a method for Fluorineretaining agent for overhaul slag of aluminum