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 ash, overhaul slag, aluminum electrolyte production
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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 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
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Assessing Environmental Impact of Aluminum Ash Disposal
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: 2024年6月6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 Original aluminum ash (OAA) can be prepared into original aluminum ash spray powder (OAASP) through hydrolysis treatment, and the original aluminumRecycling and Utilization of the Electrolytic Aluminium Ash and Slag2023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 电解铝大修渣处置研究进展
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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 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 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 Clean Process for Selective Recovery of Lithium 2024年6月4日 The main components of aluminum ash include single aluminum, aluminum oxide (Al 2 O 3), aluminum nitride (AlN), aluminum carbide (Al 4 C 3), fluoride and chlorinated salts, silicon, iron and other oxide (Kang et al 2022) Aluminum ash slag can be divided into primary aluminum ash and secondary aluminum ash according to the different degrees of Assessing Environmental Impact of Aluminum Ash Disposal
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电解铝大修渣处置研究进展
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 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 A Review of Secondary Aluminum Production and Its Byproducts2023年8月1日 The current efficiency for the production of AlSi master alloys was about 4 % lower than that for the production of primary aluminum, which increased power consumptionDissolution behavior of overhaul slag from aluminum 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
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Fluorineretaining agent for overhaul slag of aluminum
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 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 theThe Development of Aluminum Industry and Technology 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
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]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 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 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
Evaluation of fluoride emissions and pollution from an
2024年10月5日 The remaining fluorine is carried out in solids such as spent electrolytes, overhaul slag, desulfurization ash, and aluminum dross The material balance of fluorine in the production process was calculated according to the pollutionproducing node in Fig 3 , as shown in Fig 4 and Table S11 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 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
A Review of Secondary Aluminum Production and Its Byproducts
2021年7月30日 Secondary aluminum production is required for the conservation of the environment It can significantly reduce greenhouse gas emissions and energy consumption and reduce the consumption of alumina 2024年1月18日 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% It can be seen that the secondary aluminum dross produced by primaryTechnical Report International Aluminium2021年11月1日 Aluminum slag ash commonly used as road and river embankments It had disposed in an open site and potentially increase ammonia, sodium, potassium, chloride and total dissolved solids levels in The Influence of Aluminum Slag Ash for Paving Block Production2022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
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Novel process for the extraction of lithium carbonate from
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 2023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 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) Kinetics of aluminum extraction from roasting activated fly ash
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 2021年5月5日 The normal technical operating parameters are based on aluminum electrolysis theory and specific conditions The technical conditions for the normal production of aluminum electrolysis mainly include amperage, cell voltage, electrolyte temperature, interpolar distance, electrolyte composition, the height of the electrolyte layer and the height of the molten Aluminum Electrolysis Production Process SpringerLink2024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 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
Clean Process for Selective Recovery of Lithium
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 2024年6月4日 The main components of aluminum ash include single aluminum, aluminum oxide (Al 2 O 3), aluminum nitride (AlN), aluminum carbide (Al 4 C 3), fluoride and chlorinated salts, silicon, iron and other oxide (Kang et al 2022) Aluminum ash slag can be divided into primary aluminum ash and secondary aluminum ash according to the different degrees of Assessing Environmental Impact of Aluminum Ash Disposal 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 A Review of Secondary Aluminum Production and Its Byproducts
Dissolution behavior of overhaul slag from aluminum
2023年8月1日 The current efficiency for the production of AlSi master alloys was about 4 % lower than that for the production of primary aluminum, which increased power consumption2024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 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 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 theThe Development of Aluminum Industry and Technology
The development of aluminium industry and technology in
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