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
How to produce aluminum ash, overhaul slag, aluminum electrolyte
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Research Progress of Electrolytic Aluminum Overhaul Slag
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 2024年2月1日 A large amount electrolytic aluminum slag (EAS) is generated during the electrolysis process, as the falling of carbon particles on the anode into the electrolysis cells Efficient lithium recovery from electrolytic aluminum slag via 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 Preparation of Alumina from Aluminum Ash by Sintering 2022年12月12日 In this paper, the ultrahigh pressure contact molding technology is used for the first time to prepare highperformance building materials with aluminum ash and calcium Comprehensive performance study of aluminum ash and
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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 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 Cleaner Process for the Selective Extraction of 2022年12月12日 In this paper, the ultrahigh pressure contact molding technology is used for the first time to prepare highperformance building materials with aluminum ash and calcium Comprehensive performance study of aluminum ash and A summary of the state of the art of the processes used to reduce the toxicity and/or recycle spent potlining (SPL) is presented including some industries (cement, rockwool, and steel) that Dissolution behavior of overhaul slag from aluminum
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电解铝大修渣处置研究进展
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 aluminum overhaul slag disposal, and points out the 2021年10月1日 And all aluminum electrolysis production ensures that the cryolite ratio of aluminum electrolyte is below 30, and the electrolyte is called an acid electrolyte Based on publicly reported literature, LiF exists as Na 2 LiAlF 6 in the acid electrolyte, whereas LiF exists as its entity for cryolite ratio greater than or equal to 30 (Gao et al A novel approach for lithium recovery from waste 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 mechanism" by Li Cui et al {Li Cui and Weihong Wang and Xi Chao and Jianming Gao and Fangqin Cheng}, journal={Journal of Cleaner Production}, year={2024}, url={https://api Efficient lithium recovery from electrolytic aluminum slag via 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
Cleaner Process for the Selective Extraction of Lithium from
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 consequence of fluorine pollution and low lithium recovery efficiency in the traditional hydro metallurgy process, a novel cleaner production 2021年10月1日 The experimental results show that the best ratio of aluminum ash and calcium carbide slag is 1:9, the best pressure is 300mpa, the best curing time is 5d, and the best curing condition is natural A novel approach for lithium recovery from waste lithium 2023年8月1日 Adding spent refractory material as a raw material to the aluminum electrolytic cell, fluorides were recycled to the electrolyte, whereas alumina and silica were electrolytically reduced to form Dissolution behavior of overhaul slag from aluminum 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
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Regeneration of raw materials for aluminum electrolysis
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 2024年1月18日 aluminum, heat treatment or cold treatment processes are generally used to recover the 10% to 30% of metallic aluminum contained in the aluminum slag The secondary aluminum dross is accounting for approximately 70% to 90% of the aluminum slag, which the metal aluminum content remained is generally less than 5%Technical Report International Aluminium2024年2月5日 aluminum electrolysis overhaul slag and secondary aluminum ash, through which the contained toxic substances have realized safe and rapid leach ing from slags and have been rendered completely harmless, allowing the tailing to be turned into building materials The products and tailings after disposal meet theThe Development of Aluminum Industry and Technology 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
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 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 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, Present situation of production, utilization and disposal of
A Review of Secondary Aluminum Production and Its Byproducts
2021年7月30日 Aluminum is the second mostconsumed metal in the world, only outranked by steel Primary aluminum is produced through the HallHeroult process1 In this process, alumina dissolves in a sodium cryolite melt, and aluminum is reduced at the aluminum liquid cathode pool while the anode products are significant amounts of \({\mathrm{CO}}{2}\) and other 2023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 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
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]2022年10月9日 1 Department of Mining Engineering, Shanxi Institute of Technology, Yangquan, China; 2 Department of Mining Engineering, Balochistan University of Information Technology, Engineering and Management Sciences Recovery of carbon and cryolite from spent 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 tAssessing Environmental Impact of Aluminum Ash 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 batteries
Assessing Environmental Impact of Aluminum Ash Disposal
2024年6月4日 In the process of primary aluminum production, aluminum alloy processing and waste aluminum recycling, a large amount of aluminum ash will be produced, and every 1 t of molten metal aluminum produced by recycled aluminum can produce 8–15% of aluminum ash residue (Tsakiridis 2012; Meshram and Singh 2018) Fluoride, heavy metals and other toxic 2024年5月1日 The reason is that the lithium content in the overhaul slag is relatively low, and the minimum amount of sulfuric acid is enough to completely transform the lithium compound into NaLi(SO 4) More aluminum compounds are converted to NaAl (SO 4) 2, when m(H 2 SO 4)/m(overhaul slag) increase from 10 to 14Selective preparation of lithium carbonate from overhaul slag 2020年12月1日 Semantic Scholar extracted view of "Novel process for the extraction of lithium carbonate from spent lithiumcontaining aluminum electrolytes by leaching with aluminum nitrate and nitric acid" by Wu Shaohua et al lithium was preferentially recovered through the lowacid leaching from rare earth molten salt electrolytic slag (REMSES) with a Novel process for the extraction of lithium carbonate from 2023年10月1日 The increasing demand for alumina in the aluminum electrolysis industry has led to the mining of lowgrade bauxite ores with high lithium content (Li 2 O of more than 058%) [1] in some regions of China As alumina is added to the electrolytic cell, the lithium from bauxite ores becomes enriched, resulting in a gradual decrease in the liquidus temperature of the Efficient lithium recovery from lithiumcontaining spent aluminium
Comprehensive performance study of aluminum ash and
2022年12月12日 Aluminum ash is a solid waste produced in the process of electrolysis of aluminum to produce metal aluminium [1] Metal aluminum is a metal with a wide range of uses and the remaining wasted aluminum ash and aluminum slag are piled up in the plant or landfilled, which not only causes waste of resources but also causes pollution to the 2023年9月14日 cost a lot to replace new electrolytes In addition, to maintain the molecular ratio balance of the electrolyte system, the continuous electrolytic production process is usually accompanied by the continuous removal of electrolytes, which also includes the amount required for sampling and analysis Therefore, the production process of aluminumSustainable Recovery of Fluorine from Waste Aluminum 2023年12月26日 This technology solves a number of technical problems in the green, safe disposal and resourceful use of aluminium electrolysis overhaul slag and secondary aluminium ash, through which the contained toxic substances have realised safe and rapid leaching from slags and have been rendered completely harmless, allowing the tailing to be turned The development of aluminium industry and technology in 2021年10月1日 And all aluminum electrolysis production ensures that the cryolite ratio of aluminum electrolyte is below 30, and the electrolyte is called an acid electrolyte Based on publicly reported literature, LiF exists as Na 2 LiAlF 6 in the acid electrolyte, whereas LiF exists as its entity for cryolite ratio greater than or equal to 30 (Gao et al A novel approach for lithium recovery from waste lithium
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Efficient lithium recovery from electrolytic aluminum slag via
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 mechanism" by Li Cui et al {Li Cui and Weihong Wang and Xi Chao and Jianming Gao and Fangqin Cheng}, journal={Journal of Cleaner Production}, year={2024}, url={https://api 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 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 consequence of fluorine pollution and low lithium recovery efficiency in the traditional hydro metallurgy process, a novel cleaner production Cleaner Process for the Selective Extraction of Lithium from 2021年10月1日 The experimental results show that the best ratio of aluminum ash and calcium carbide slag is 1:9, the best pressure is 300mpa, the best curing time is 5d, and the best curing condition is natural A novel approach for lithium recovery from waste lithium
Dissolution behavior of overhaul slag from aluminum
2023年8月1日 Adding spent refractory material as a raw material to the aluminum electrolytic cell, fluorides were recycled to the electrolyte, whereas alumina and silica were electrolytically reduced to form 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 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 2024年1月18日 aluminum, heat treatment or cold treatment processes are generally used to recover the 10% to 30% of metallic aluminum contained in the aluminum slag The secondary aluminum dross is accounting for approximately 70% to 90% of the aluminum slag, which the metal aluminum content remained is generally less than 5%Technical Report International Aluminium
The Development of Aluminum Industry and Technology
2024年2月5日 aluminum electrolysis overhaul slag and secondary aluminum ash, through which the contained toxic substances have realized safe and rapid leach ing from slags and have been rendered completely harmless, allowing the tailing to be turned into building materials The products and tailings after disposal meet the