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 electrolytic cell Performance advantages of overhaul slag vertical mill
2023 the 7th International Conference on Energy and
2023年8月1日 The dissolution process of overhaul slag satisfied well with the mass transfer model, suggesting that the dissolution rate was controlled by the diffusion process This work provides a basis for the synergistic disposal of overhaul slag in the aluminum electrolysis 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 Research Progress of Electrolytic Aluminum Overhaul Slag Disposal2023年5月20日 A closedloop recycling process was proposed to recover valuable components from SCA and regenerate raw materials for aluminum electrolysis in this paper A new two Regeneration of raw materials for aluminum electrolysis from 2023年4月13日 The functions of carbon anode, carbon cathode, refractory material and sidewall in aluminium electrolysis cells are discussed in detail The process of aluminium electrolysis A comprehensive review of aluminium electrolysis and the waste
The recycling of carbonrich solid wastes from aluminum
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 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 Efficient lithium recovery from electrolytic aluminum slag via an 2016年10月24日 For a largecapacity prebaked anode reduction cell (400 kA–600 kA), an advanced control system is essential to achieve high current efficiency and lower energy Progress in Aluminum Electrolysis Control and Future Direction for 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 reduction
Dissolution Behavior of Overhaul Slag from Aluminum Reduction
The addition of Al2O3 could enhance the solubility and dissolution rate of SiO2 and hence shorten the dissolution time The dissolution process of overhaul slag satisfied well with the mass 2022年4月13日 Here we propose a solidstate electrolysis (SSE) process using molten salts for upcycling aluminium scrap The SSE produces aluminium with a purity comparable to that of A solidstate electrolysis process for upcycling aluminium scrapThe invention provides a method for treating cyanide in overhaul residues of an aluminum electrolytic cell, which comprises the following steps: A) selecting one or more of insulating bricks, refractory bricks and antiseepage materials in the overhaul slag of the aluminum electrolytic cell to obtain mixed initial raw materials, and grinding the initial mixed raw materials into powder to CNA Method for treating cyanide in overhaul slag of aluminum 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 reduction cell
Industrial experimental research on coprocessing of spent
2023年2月1日 To realize the harmlessness, reduction and resource utilization of spent refractory materials, AlSi master alloy was prepared by coprocessing spent refractory materials in aluminum electrolytic 2021年3月20日 This paper explored a process for preparing Al–Si master alloys by recycling spent refractory material via aluminum electrolytic cellsThe feasibility of spent refractory material electrolysis in the electrolytic cell was evaluated through thermodynamic analysis The dissolution rates of alumina and spent refractory material were compared to obtain the appropriate mixing Recycling of spent refractory materials to produce Al–Si master The invention discloses a recycled and harmless disposing method and system for slag after overhaul of an aluminum electrolytic cell The method comprises the following steps: 1, mixing overhaul slag powder with sulfuric acid, stirring and leaching the mixture, and obtaining mixed pulp A; 2, heating the mixed pulp A, making hydrogen cyanide to escape under the condition CNA Recycled and harmless disposing methodThe invention provides a method for recovering aluminum fluoride from overhaul residues of an aluminum electrolytic cell, which solves the problem of lacking a method for preparing aluminum fluoride from the overhaul residues of the aluminum electrolytic cell According to the method, after a series of treatment steps are carried out on the overhaul residues of the aluminum CNA Method for recovering aluminum fluoride from overhaul
CNA Electrolytic aluminum overhaul slag
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 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 2013年9月1日 A schematic of a typical aluminum electrolysis cell used for the production of aluminum is depicted in Fig 1The electrolysis process is driven by direct electric current that flows from the anodes to the liquid aluminum layer through a cryolitebased electrolyte in which alumina is dissolved [1], [2]Due to the fact that the electrolyte has a relatively low electrical Optimization of the cathode block shape of an aluminum electrolysis cell2024年5月1日 In this study, the raw material is produced by the replacement of electrolytic cell in an electrolytic aluminum plant in Henan Province, China Prior to the experiments, the overhaul slag is dried, ground, and then sieved to less than 0074 mm Selective preparation of lithium carbonate from overhaul slag by
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 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 invention relates to the technical field of overhaul slag treatment, and particularly discloses a method for preparing alternative fuel by using overhaul slag of an aluminum electrolytic cell, which specifically comprises the following steps: step S1: crushing overhaul residues into small particles with the particle size of less than 15 mm; step S2: and (3) proportioning the carbonbased CNA Method and system for preparing Google 2022年2月28日 Because overhaul slag contains soluble fluoride and cyanide with high toxicity, if not properly disposed, it will mix with rainwater into rivers, penetrate into underground water sources, pollute surface water sources, and cause great harm to the ecological environment, so the harmless treatment of overhaul slag has become one of the major problems to be solved Four processes of electrolytic aluminum overhaul slag treatment
Harmless recovery and utilization of electrolytic aluminum spent
2023年12月1日 Aluminum, known as the "universal metal", contains a wide run of employments within the aviation, development, marine businesses and durables (Das and Yin, 2007) According to statistics, the global primary aluminum production reached 6734 million tons, and the global electrolytic aluminum output reached 6724 million tons in 20212023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 The invention discloses a recycled and harmless disposing method and system for slag after overhaul of an aluminum electrolytic cell The method comprises the following steps: 1, mixing overhaul slag powder with sulfuric acid, stirring and leaching the mixture, and obtaining mixed pulp A; 2, heating the mixed pulp A, making hydrogen cyanide to escape under the condition Recycled and harmless disposing method and system for slag 2021年5月5日 The electrolytic cell is the main equipment for aluminum production Since Hall of the United States and Heroult of France discovered the cryolitealumina molten salt electrolysis process in 1886, the production technology of aluminum electrolysis and the aluminum reduction cell has made many progress and improvementsResearch Background of Inert Anodes for Aluminum Electrolysis
Slag Vertical Roller MillSBM Industrial Technology Group
2023年1月10日 The slag powder that meets the fineness requirements is collected by the dust collector, and then transported by the air chute and elevator into the finished product warehouse for storage Advantages of Slag Vertical Roller Mill 1 The invention relates to the technical field of electrolytic aluminum waste treatment equipment, in particular to a wet grinding system for overhaul residues of an aluminum electrolytic cell, which comprises a base, wherein a wet ball mill and a negative pressure machine are arranged on the base, the base is fixedly connected with a pillar, the pillar is fixedly connected with a tube box, CNA Wet grinding system for aluminum electrolysis cell 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7月15日 Spent bottom sediment (SBS) is mainly composed of the waste generated from an industrial aluminum electrolytic cell under abnormal conditions (such as overhaul, salvaging furnace bottom sediment, and shutdown and decommissioning) Its main components are Al 2 O 3 and molten fluoride saltsEnvironmentally friendly and efficient green recovery of fluoride
Harmless recovery and utilization of electrolytic aluminum spent
2023年12月1日 The molten mixture penetrates into CCB, causing the dense carbon block to swell and fall off The destruction of electrolytic cell leads to inefficient production of electrolytic aluminum (Li et al, 2008) Therefore, electrolytic cell needs to be routinely expelled and supplanted, thus generating a large number of spent potlining (SPL)2023年4月13日 Cathode wear is one of the main lifetime limiting factors of an aluminium electrolysis cell In the present work the composition of the wettable TiB2based coating and the costeffective method of A comprehensive review of aluminium electrolysis and the waste 2023年4月25日 Process flow for recycling and treatment of electrolytic aluminum overhaul slag Figure 2 Process flow of high temperature fire method for harmless treatment of overhaul slag Figure 3 Alkali leaching recovery process of electrolytic aluminum overhaul slag Figure 4 Cement kiln collaborative treatment of overhaul slag process flow电解铝大修渣处置研究进展The invention discloses a deep defluorination process for treating waste water by wet method of overhaul residues of an aluminum electrolysis cell, belonging to the technical field of electrolytic aluminum waste treatment, and the method comprises the following steps: (1) primary fluorine precipitation is carried out, and a calcium fluoride product is produced; (2) secondary fluorine CNA Deep defluorination process for Google
A novel approach for lithium recovery from waste lithium
2021年10月1日 Currently, the HallHeroult method is adopted for industrial aluminum smelting, with alumina as the raw material and cryolite as the solvent (Tarcy et al, 2011)According to statistics, China's primary aluminum output was 3708 million tons in 2020, of which the capacity of using domestic bauxite to produce alumina accounts for approximately 47% (National 2023年10月20日 The invention provides a system and a method for disposing overhaul slag of an aluminum electrolysis cell by cement kiln bypass incineration, wherein the system comprises an overhaul slag crushing system, a cement kiln bypass incineration system, a conversion dealkalization system and a cement kiln resource treatment system which are connected in CNB System and method for disposing overhaul slag 2022年10月10日 The comprehensive recovery and utilization of electrolytic aluminum spent carbon anode slag (Hereinafter simplified as “carbon anode slag”) are therefore necessary Flotation is a physical separation method used to separate particles by using the difference in surface property of particles ( Chen et al, 2022 ; Ni et al, 2022 )Recovery of carbon and cryolite from spent carbon anode slag of 2024年5月23日 The aluminum electrolysis industry continually and unavoidably produces hazardous solid waste in the form of carbon anode slag Carbon anode slag poses a serious environmental pollution risk, and The recycling of carbonrich solid wastes from aluminum electrolytic
CNA Method for treating cyanide in overhaul slag of aluminum
The invention provides a method for treating cyanide in overhaul residues of an aluminum electrolytic cell, which comprises the following steps: A) selecting one or more of insulating bricks, refractory bricks and antiseepage materials in the overhaul slag of the aluminum electrolytic cell to obtain mixed initial raw materials, and grinding the initial mixed raw materials into powder to 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 reduction cell 2023年2月1日 To realize the harmlessness, reduction and resource utilization of spent refractory materials, AlSi master alloy was prepared by coprocessing spent refractory materials in aluminum electrolytic Industrial experimental research on coprocessing of spent 2021年3月20日 This paper explored a process for preparing Al–Si master alloys by recycling spent refractory material via aluminum electrolytic cellsThe feasibility of spent refractory material electrolysis in the electrolytic cell was evaluated through thermodynamic analysis The dissolution rates of alumina and spent refractory material were compared to obtain the appropriate mixing Recycling of spent refractory materials to produce Al–Si master
CNA Recycled and harmless disposing method
The invention discloses a recycled and harmless disposing method and system for slag after overhaul of an aluminum electrolytic cell The method comprises the following steps: 1, mixing overhaul slag powder with sulfuric acid, stirring and leaching the mixture, and obtaining mixed pulp A; 2, heating the mixed pulp A, making hydrogen cyanide to escape under the condition The invention provides a method for recovering aluminum fluoride from overhaul residues of an aluminum electrolytic cell, which solves the problem of lacking a method for preparing aluminum fluoride from the overhaul residues of the aluminum electrolytic cell According to the method, after a series of treatment steps are carried out on the overhaul residues of the aluminum CNA Method for recovering aluminum fluoride from overhaul 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 CNA Electrolytic aluminum overhaul slag2024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
Optimization of the cathode block shape of an aluminum electrolysis cell
2013年9月1日 A schematic of a typical aluminum electrolysis cell used for the production of aluminum is depicted in Fig 1The electrolysis process is driven by direct electric current that flows from the anodes to the liquid aluminum layer through a cryolitebased electrolyte in which alumina is dissolved [1], [2]Due to the fact that the electrolyte has a relatively low electrical 2024年5月1日 In this study, the raw material is produced by the replacement of electrolytic cell in an electrolytic aluminum plant in Henan Province, China Prior to the experiments, the overhaul slag is dried, ground, and then sieved to less than 0074 mm Selective preparation of lithium carbonate from overhaul slag by