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
Aluminum sulfate ash, overhaul slag, aluminum electrolyte shreds
Cleaner Process for the Selective Extraction of
2024年7月24日 First, the spent aluminum electrolyte slag phase was reconstructed through a calcium sulfate roasting process, which solidified fluorine into CaF 2 and transformed lithium into Li 2 SO 4 > 97% lithium can be 2024年2月1日 Initially we evaluated a variety of aluminum salts as leaching agents to leach Li + from electrolytic aluminum slag, wherein aluminum chloride (AlCl 3) was demonstrated to be Efficient lithium recovery from electrolytic aluminum slag via 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 2024年6月4日 Based on the life cycle assessment method, this study examined the environmental impacts of four major aluminum ash treatment methods in four categories: Assessing Environmental Impact of Aluminum Ash Disposal
A Sustainable Process for Efficient Extraction of
2024年2月20日 In this paper, the CaSO 4 and CaO mixed roasting process was used to selectively recover Li, P and Al from montebrasite ore, in order to solve the difficult separation of P and Al in sulfuric acid roasting process First, the 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 Sustainable Recovery of Fluorine from Waste Aluminum Electrolyte sulfate with high alumina y ash in the temperature range of 300–400 °C to produce soluble aluminum sulfate, which converts mullite, an inert component of high alumina y ash, into silica Extraction of alumina from highalumina fly ash by 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 agent A notable leaching efficiency of Clean Process for Selective Recovery of Lithium
Energyefficient leaching process for preparation of aluminum sulfate
2022年5月19日 Sequential leaching and extraction of precious metals from high aluminum (Al) circulating fluidized bed (CFB) fly ash in China, which associated with lithium (Li) and gallium 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 The recycling of carbonrich solid wastes from aluminum 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]A novel approach for ultrasonic assisted organic acid 2024年10月1日 After paying attention to the severity of the problem, researchers carried out a variety of methods to deal with the overhaul slag Detailed research has been conducted on hydrometallurgy, pyrometallurgy, and material preparation (Li and Chen, 2005, Li and Chen, 2010, Mansfield et al, 2002, Shi et al, 2012)The electrolytes and impurities adsorbed on carbon Selective extraction of lithium and solidified fluoride from overhaul
A comprehensive review of aluminium electrolysis and the
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 2023年10月1日 Cryolitealumina (Na 3 AlF 6Al 2 O 3) molten salt electrolysis is the only modern method for the industrial production of metallic aluminum (Ishak et al, 2017)Under the influence of direct current, Al 2 O 3 dissolved in the molten salt is reduced to monolithic aluminum at the cathode (Haraldsson and Johansson, 2020)As the blood of the electrolytic cell, the electrolyte Efficient extraction and recovery of lithium from waste aluminum 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 2022年12月12日 Calcium carbide slag is a waste slag produced after the hydrolysis of calcium carbide to obtain acetylene gas, with very fine particles, offwhite color due to the presence of trace carbon and sulfur impurities, slightly odorous, with Ca(OH) 2 as the main component, and a slag liquid pH value of 12 or more, thus often causing serious pollution to the environment [18]Comprehensive performance study of aluminum ash and
Sodium Removal from Aluminum Electrolysis Spent Anodes
2023年11月28日 The only current method for industrial production of primary aluminum is the Hall–Héroult aluminum electrolysis process 1,2 This method was invented by Hall from the United States and Héroult from France in 1886 3 In aluminum electrolysis, the prebaked anode is known as the “heart” of the electrolytic cell Its quality and operational condition have a DOI: 101016/jhydromet2020 Corpus ID: ; Novel process for the extraction of lithium carbonate from spent lithiumcontaining aluminum electrolytes by leaching with aluminum nitrate and nitric acidNovel process for the extraction of lithium carbonate from 2023年8月2日 This study focused on the effective utilization of waste sulfuric acid to produce poly aluminium sulfate and deep degradation of organic pollutants in the Al2(SO4)3 solution through the advanced Sustainable Recovery of Fluorine from Waste Aluminum Electrolyte 2022年3月1日 Al 2 (SO 4) 3 is inexpensive, nontoxic and nonhazardous, and has the potential to become an ideal additive for leadacid battery electrolytes At present, aluminum sulfate additive has been applied in commercial products, but there is a lack of elaboration on the performance and mechanism of aluminum sulfate as an additive for improving leadacid batteriesThe critical role of aluminum sulfate as electrolyte additive
Kinetics of aluminum extraction from roasting activated fly ash
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) 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 2023年9月1日 Lithium (Li)bearing aluminum electrolyte slag is an inevitable byproduct of the aluminum industry, and improper disposal or stacking it may lead to potential environmental hazards This study employed hydrometallurgical processes to selectively leach lithium from Licontaining aluminum electrolyte slag, using sodium carbonate solution as the leaching agent Clean Process for Selective Recovery of Lithium Carbonate 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 industryRecovery of carbon and cryolite from spent carbon anode slag
Novel process for the extraction of lithium carbonate from
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 The electrolytic aluminum industry produces a large amount of fluorinecontaining waste slag every year, causing serious environmental pollution and waste of fluorine resources In this paper, the method and process of recovering fluorine from spent aluminum electrolyte was investigated by using Al 2 (SO 4) 3 solution asGreen and efficient separation of fluorine from spent aluminum Aluminum is widely used in aviation, shipping and daily durables due to its various special properties [1], [2]According to statistics, the global production of primary aluminum reached 6976 million tons in 2023 and China’s primary aluminum production was 4159 million tons, accounting for 59 % of the global production [3]The cryolitealumina molten salt electrolysis is the only Green and efficient separation of fluorine from spent aluminum 2024年2月1日 The electrolytic aluminum industry generates a large amount lithium (Li)containing electrolytic aluminum slag (EAS) annually, and this can result in severe environmental pollution and wasting of Li resources This paper proposes a method for recovering Li from the slag using AlCl 3 as the leaching agent The effects of the leaching temperature, AlCl 3 Efficient lithium recovery from electrolytic aluminum slag via
Present situation of production, utilization and disposal of
2021年4月5日 With the rapid development of aluminium smelting industry in China, millions of tons of hazardous wastes such as carbon slag, overhaul slag and aluminum ash are generated every year In order to promote the refined management of hazardous wastes in China, an indepth research had been done, the current generation process link, pollution characteristics, 2020年8月28日 In the search for sustainable energy storage systems, aluminum dualion batteries have recently attracted considerable attention due to their low cost, safety, high energy density (up to 70 kWh kg Aluminum electrolytes for Al dualion batteries2023年5月20日 Spent carbon anode (SCA) discharged from the aluminum electrolysis industry is an unavoidable solid waste with an estimated production of 700 kilotons in 2021, which has been widely identified as the hazardous solid waste A new twostage leaching scheme comprising an aluminum salt leaching and an alkali leaching has been investigated in this Regeneration of raw materials for aluminum electrolysis 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]A novel approach for extracting lithium from overhaul slag
Assessing Environmental Impact of Aluminum Ash
2024年6月6日 A A1 Aluminium ash slag 100 t Hydrochloric acid 195 t Defluorinating agent 002 t Lime 005 t A2 Raw material transport 48413 tkm A3 Natural gas 83393 MJ Electricity 004 MWh Waste disposal (general solid waste) 00001 t Waste disposal (hazardous waste) 002 t B A1 Aluminium ash slag 100 t Aluminium scrap 010 t2023年4月25日 大修渣作为电解铝行业的主要固体废弃物，含有大量的危害物质，如何对其无害化处理并高效回收其中有价值物质，是近些年铝行业亟待解决的难题。本文分析总结了大修渣的成分、危害及目前国内外电解铝大修渣处置的发展状况，并指出了我国电解铝行业危险废物处置的发 电解铝大修渣处置研究进展2021年10月1日 To recover valuable elements such as lithium from waste aluminum electrolyte, Wu et al (2021) mixed Na 2 CO 3 with waste aluminum electrolyte and roasted them at 650 • C for 25 h, and Na 2 A novel approach for lithium recovery from waste lithium 2024年10月1日 The overhaul slag utilized in the study was obtained from an electrolytic aluminum plant in Jiangxi, China The main chemical composition of the material was shown in Table 1 It can be seen that the content of Al, F, Li in overhaul slag were 1063 %, 2019 %, 159 %, respectivelySelective extraction of lithium and solidified fluoride from overhaul
Recovery of carbon and cryolite from spent carbon anode slag
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%) 2024年10月11日 The electrolytic aluminum industry produces a large amount of fluorinecontaining waste slag every year, causing serious environmental pollution and waste of fluorine resources In this paper, the method and process of recovering fluorine from spent aluminum electrolyte was investigated by using Al2(SO4)3 solution as the leaching agentGreen and efficient separation of fluorine from spent DOI: 101016/jegyr202304036 Corpus ID: ; Dissolution behavior of overhaul slag from aluminum reduction cell in a cryolitebased molten salt system @article{Yang2023DissolutionBO, title={Dissolution behavior of overhaul slag from aluminum reduction cell in a cryolitebased molten salt system}, author={Jianping Yang and X Lu and Dissolution behavior of overhaul slag 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 The recycling of carbonrich solid wastes from aluminum
A novel approach for ultrasonic assisted organic acid
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]2024年10月1日 After paying attention to the severity of the problem, researchers carried out a variety of methods to deal with the overhaul slag Detailed research has been conducted on hydrometallurgy, pyrometallurgy, and material preparation (Li and Chen, 2005, Li and Chen, 2010, Mansfield et al, 2002, Shi et al, 2012)The electrolytes and impurities adsorbed on carbon Selective extraction of lithium and solidified fluoride from overhaul 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 2023年10月1日 Cryolitealumina (Na 3 AlF 6Al 2 O 3) molten salt electrolysis is the only modern method for the industrial production of metallic aluminum (Ishak et al, 2017)Under the influence of direct current, Al 2 O 3 dissolved in the molten salt is reduced to monolithic aluminum at the cathode (Haraldsson and Johansson, 2020)As the blood of the electrolytic cell, the electrolyte Efficient extraction and recovery of lithium from waste aluminum
Stepwise extraction of lithium and potassium and recovery
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 2022年12月12日 Calcium carbide slag is a waste slag produced after the hydrolysis of calcium carbide to obtain acetylene gas, with very fine particles, offwhite color due to the presence of trace carbon and sulfur impurities, slightly odorous, with Ca(OH) 2 as the main component, and a slag liquid pH value of 12 or more, thus often causing serious pollution to the environment [18]Comprehensive performance study of aluminum ash and 2023年11月28日 The only current method for industrial production of primary aluminum is the Hall–Héroult aluminum electrolysis process 1,2 This method was invented by Hall from the United States and Héroult from France in 1886 3 In aluminum electrolysis, the prebaked anode is known as the “heart” of the electrolytic cell Its quality and operational condition have a Sodium Removal from Aluminum Electrolysis Spent Anodes DOI: 101016/jhydromet2020 Corpus ID: ; Novel process for the extraction of lithium carbonate from spent lithiumcontaining aluminum electrolytes by leaching with aluminum nitrate and nitric acidNovel process for the extraction of lithium carbonate from
Sustainable Recovery of Fluorine from Waste Aluminum Electrolyte
2023年8月2日 This study focused on the effective utilization of waste sulfuric acid to produce poly aluminium sulfate and deep degradation of organic pollutants in the Al2(SO4)3 solution through the advanced