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 processing technology
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 Coal gangue is a byproduct of the production of coalassociated minerals, Review of Research on the Pr2023年8月1日 Herein, a synergistic disposal strategy, ie, adopting the overhaul slag as a raw material together with aluminum oxide in the aluminum electrolysis process to produce Al–Si Dissolution behavior of overhaul slag from aluminum reduction 2024年2月1日 This study demonstrated the efficient leaching of Li from electrolytic aluminum slag under mild conditions, and this is a clean and feasible process for Li recovery It also Efficient lithium recovery from electrolytic aluminum slag via an
Comprehensive performance study of aluminum ash and calcium
2022年12月12日 In this paper, the first ultrahigh pressure contact molding technology was used to prepare highperformance building materials with aluminum ash and calcium carbide slag Aluminium ash and slag are produced from molten slag cooling in the electrolytic aluminium production process,the recycling and utilization of the electrolytic aluminium ash and slag is Recycling and Utilization of the Electrolytic Aluminium Ash and Slag2024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 extraction The new process realizes a high leaching Cleaner Process for the Selective Extraction of Lithium 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 in
Electrolytic cell spent lining Fig 2 Overhaul slags of the
When aluminum is obtained by electrolysis of cryolitealumina melts when the baths are sent for capital repairs, a solid technogenic product is formed – waste lining of electrolytic cells2023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2024年5月23日 Here, we review carbonrich solid wastes with focus on sources and hazards, detoxification, separation, recovery, recycling and disposal Treatment techniques include The recycling of carbonrich solid wastes from aluminum 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, utilization and Present situation of production, utilization and disposal of
Efficient lithium recovery from electrolytic aluminum slag via an
2024年2月1日 Aluminum metal was produced using the cryolitealumina molten salt electrolysis method (Ishak et al, 2017)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 and the accumulation of lithium fluorine result in energy consumption and electrolyte scrapping The method not only can solidify fluorine in the electrolytic aluminum overhaul residues, but also can adjust the pH value of the electrolytic aluminum overhaul residues, so that higher requirements can be met, for example, hazardous waste landfill pollution control standard (GB/T185982019), and harmless electrolytic aluminum overhaul residues can be further A Harmless electrolytic aluminum overhaul slag ALUMINUM ASH PROCESSING SYSTEM Processing capacity: 10,000200,000 t/a Processing materials: aluminum ash, aluminum slag, aluminum shavings and other hazardous waste Equipment configuration: Ltd is committed to the development and research of aluminum ash comprehensive utilization technologyAluminum Ash Processing Aluminum Ash Recovery Aluminum Ash 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 in
Cleaner Process for the Selective Extraction of Lithium from Spent
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 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 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 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 leaching of
Selective preparation of lithium carbonate from overhaul slag by
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 142023年10月1日 The main components of waste aluminum cryolite electrolyte are cryolite (Na 3 AlF 6), potassium cryolite (K 2 NaAlF 6), lithium cryolite (Na 2 LiAlF 6), fluorite (CaF 2), and approximately 2% carbon black (Wang et al, 2019)The main treatment methods of waste aluminum cryolite electrolyte can be divided into two categories: combined thermalwet Efficient extraction and recovery of lithium from waste 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 spent 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
The Utilization Technology Analysis Of Secondary Aluminum Ash
2021年11月22日 The development trend of secondary aluminum ash treatment technology is analyzed Aluminum ash is the ash slag that electrolytic aluminum or secondary aluminum floats on the surface of the molten aluminum in the melting and casting furnace annual output of 10,000 tons of electrolyte, 5,000 tons of remelted aluminum ingots, The invention discloses a treatment process of overhaul slag of an aluminum electrolytic cell, which comprises the following steps: sorting overhaul residues of an aluminum electrolytic cell to obtain carbonaceous waste and refractory waste, respectively crushing and ballmilling to obtain carbon powder and ceramic powder, mixing the carbon powder and the ceramic powder in CNA Treatment process of aluminum electrolysis cell overhaul CNA CN96A CN9A CNA CN A CN A CN A CN 9 A CN9 A CN 9A CN A CN A CN A Authority CN China Prior art keywords waste waste material silicon carbide treatment method recovery Prior art date Legal CNA Recovery treatment method of electrolytic aluminum ash Download Citation On Aug 1, 2023, Jianping Yang and others published Dissolution behavior of overhaul slag from aluminum reduction cell in a cryolitebased molten salt system Find, read and Dissolution behavior of overhaul slag from aluminum reduction
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 Innovative vacuum distillation technology for preparing refined Al from Cleaner Process for the Selective Extraction of Lithium from Spent Aluminum Electrolyte Slag Tao Zhang Fupeng Liu +4 authors Yong On August 2nd, China Nonferrous Metals Industry Association organized an expert meeting on scientific and technological achievements in Kunming, Yunnan Province, and completed the "electrolytic aluminum overhaul slag" jointly completed by Zhengzhou Hongyue Environmental Protection Technology Co, Ltd, Hunan Zhongda Metallurgical Design Co, Ltd and Electrolytic aluminum overhaul slag harmless technology2024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 The utility model relates to an overhaul slag and carbon slag aluminum fluoride conversion system, wherein the carbon slag processing unit is connected with the overhaul slag processing unit; and can also turn into aluminium fluoride with the electrolyte in the charcoal sediment, CNU System for converting overhaul slag and carbon slag
Regeneration of raw materials for aluminum electrolysis 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 2023年10月1日 The aluminum electrolyte is the core part of the electrolytic production process of aluminum In contrast, lithiumrich aluminum electrolytes can cause problems such as reduced production temperature, decreased alumina solubility, increased precipitation at the bottom of the electrolytic cell, and poor stability in the aluminum electrolytic cell [ 7 , 8 ]Chemical Engineering and Processing Process Intensification2024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 by low 2012年12月31日 An aluminum fluoride film covered by graphite fluoride on metallic aluminum was prepared by reaction in the ternary system of aluminum graphite and fluorine gas at 450550 degree CStudy on Harmless and Resources Recovery Treatment Technology of
CNA Electrolytic aluminum overhaul slag Google
The invention discloses a resource treatment method for electrolytic aluminum overhaul slag, and belongs to the technical field of hazardous waste resource treatment Firstly, uniformly mixing the overhaul slag, a reactant and a reaction auxiliary agent, then sintering at a high temperature, and leaching the sintered material with water to obtain a leaching solution containing F, al, na, li The basic structures of these two types of cells follow the 280kA model, and then aluminum electrolysis technology began to export to the international market on a large scale At the same time, the pace of largescale electrolytic aluminum technology in China is still moving forward Industrialization of 350kA large troughReview of the Development of Aluminum electrolysis 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 2020年12月1日 The leaching ratio of lithium reached 9321% at 80 • C for 120 min Wu et al (2020) used Al(NO 3 ) 3HNO 3 solution as leaching reagents to extract lithium from waste aluminum electrolyte at 80 Novel process for the extraction of lithium carbonate from spent
Comprehensive performance study of aluminum ash and calcium
2022年12月1日 Aluminum ash is a large amount of industrial solid waste produced by the electrolytic aluminum industry, and calcium carbide slag is an alkaline industrial solid waste produced by the energy industryWith 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, utilization and Present situation of production, utilization and disposal of 2024年2月1日 Aluminum metal was produced using the cryolitealumina molten salt electrolysis method (Ishak et al, 2017)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 and the accumulation of lithium fluorine result in energy consumption and electrolyte scrapping Efficient lithium recovery from electrolytic aluminum slag via an The method not only can solidify fluorine in the electrolytic aluminum overhaul residues, but also can adjust the pH value of the electrolytic aluminum overhaul residues, so that higher requirements can be met, for example, hazardous waste landfill pollution control standard (GB/T185982019), and harmless electrolytic aluminum overhaul residues can be further A Harmless electrolytic aluminum overhaul slag
Aluminum Ash Processing Aluminum Ash Recovery Aluminum Ash
ALUMINUM ASH PROCESSING SYSTEM Processing capacity: 10,000200,000 t/a Processing materials: aluminum ash, aluminum slag, aluminum shavings and other hazardous waste Equipment configuration: Ltd is committed to the development and research of aluminum ash comprehensive utilization technology2024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 in 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 Spent 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
Comprehensive performance study of aluminum ash and calcium
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 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 leaching of 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 by