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
Overhaul slag (aluminum ash, cathode, carbon slag) grinding production line price
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2023 the 7th International Conference on Energy and
2023年8月1日 The dissolution behaviors of overhaul slag were fitted by a mass transfer model to obtain the dissolution parameters including dissolution capacity and dissolution rate This work 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 Disposal2024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 by low 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
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(PDF) Study on Harmless and Resources Recovery Treatment
2012年12月31日 The paper provides a brief introduction in the physical and chemical properties of waste aluminum cathodes, and its harmless treatment technology and resource 2023年1月10日 Spent carbon anode (SCA) is a typical global hazardous solid with high risk of environmental pollution We therefore report for the first time a novel cotreatment technology Cotreatment of spent carbon anode and copper slag for reuse 2022年10月10日 When the carbon anode slag is discarded directly, it will pollute the environment; when it is burned as fuel, it will waste the high extra value electrolyte The Recovery of carbon and cryolite from spent carbon anode slag of 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 电解铝大修渣处置研究进展
Recovery of Carbon and Cryolite from Spent Carbon Anode Slag
2023年3月12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 biggest solid waste is the electrolytic pot slags and the used lining of the electrolytic aluminum industry (see in figure 1 and figure 2) The main composition and content of the slag areElectrolytic cell spent lining Fig 2 Overhaul slags of the 2016年2月5日 The quality of raw materials (iron ore, coal, and coke) has a clear impact on the carbon emissions of the hot metal production in steel making So far, very little work has been done to measure and quantify this impact Yet for benchmarking, technology choice and general carbon optimization are important elements The total slag production of a blast furnace gives The Carbon Cost of Slag Production in the Blast Furnace: A2024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
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Recovery of carbon and cryolite from spent carbon
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 industry2023年5月4日 Resource and harmless treatment of spent cathode carbon (SCC) in aluminum electrolysis and copper slag is a great significance in the environmental protection and sustainable development of resources This study proposes to use SCC as a reductant for copper slag cleaning and CaO as an additive to recover copper from the slag while achieving fluorine Fluorine Fixation During the Cotreatment of Spent Cathode Carbon 2024年9月27日 Spent carbon cathode (SCC) is one of the major hazardous solid wastes generated during the overhaul of electrolysis cells in the aluminum production process SCC is not only rich in carbon resources but also contains soluble fluoride and cyanide, which gives it both recycling value and significant leaching toxicity In this study, we explore the properties, Methodological Review of Methods and Technology for Utilization 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%) Recovery of carbon and cryolite from spent carbon anode slag of
Harmless recovery and utilization of electrolytic aluminum spent
DOI: 101016/jjclepro2023 Corpus ID: ; Harmless recovery and utilization of electrolytic aluminum spent cathode carbon block: A comprehensive review @article{Dong2023HarmlessRA, title={Harmless recovery and utilization of electrolytic aluminum spent cathode carbon block: A comprehensive review}, author={Liangmin Dong and Fen Jiao 2022年1月10日 Selective comminution and grinding mechanisms of spent carbon anode from aluminum electrolysis using ball and rod mills January 2022 Physicochemical Problems of Mineral Processing 58(3):Selective comminution and grinding mechanisms of spent carbon 2023年3月12日 3D response surface plot of γ −0074 mm as a function of the interaction: (a) grinding time × grinding concentration, 25 cm ball diameter; (b) grinding time × ball diameter, 60% grinding (PDF) Recovery of Carbon and Cryolite from Spent Carbon Anode Slag 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 by low
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Present situation of production, utilization and disposal of
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 2023年1月20日 Abstract Industrial production processes generate a large amount of secondary resources (copper slag and spent cathode carbon (SCC)) every year Reducing copper slag by fixed carbon from SCC would fully utilize the substance and the fluxing effect of fluoride In addition to effectively utilizing hazardous waste resources, the reduction of copper slag using Effect of Fluorine on Copper Slag Properties and Structure During 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 Byproducts2021年7月30日 Due to Micron alumina's simple manufacturing process, the need for production equipment and technology is relatively mature, so the production cost of micron alumina is relatively low, and for the A Review of Secondary Aluminum Production and Its Byproducts
Waste Treatment by Waste: Study on Iron Recovery from High
2024年4月22日 Red mud and spent cathode carbon block (SCCB) are environmentally hazardous industrial wastes generated by the alumina and aluminum electrolysis industries, respectively In this paper, SCCB was applied to iron recovery from highiron red mud by vortex smelting reduction with the concept of ‘waste treatment by waste’ The experimental results 2024年10月1日 The influences of MSWI fly ash washing and blast furnace slag/bottom ash ratio on lowcarbon system, complete combustion was achieved through the mechanical movement of the grate, resulting in a lower production Ren et al (Ren and Ling, 2021) and Mao et al (2020) combined washed MSWI FA with BFS, FGDG, and aluminum ash The influences of MSWI fly ash washing and blast furnace slag2024年2月1日 According to the statistics, electrolytic production of one ton of primary aluminum can generate 24–30 kg of overhaul slag, and the annual amount of overhaul slag could be 156–195 million tons [16] The fluoride content in overhaul slag is high, and the most common ones are NaF and Na 3 AlF 6A novel approach for extracting lithium from overhaul slag by low 2023年10月1日 Upon holding for 60 min in air atmosphere first and then smelting with 144 wt% waste cathode carbon and 25 wt% CaO for 180 min in high purity Ar atmosphere at 1450 °C, the recovery rates of Cu Harmless recovery and utilization of electrolytic aluminum spent
Optimization of Copper Recovery and Fluorine Fixation from Spent Carbon
2024年9月9日 Spent cathode carbon (SCC) contains a considerable amount of soluble fluoride, which is classified as a hazardous emission In this study, SCC is employed to reduce copper slag, facilitating the recovery of valuable metals, such as copper and iron, while simultaneously fixing soluble fluoride The results reveal the substantial influences of these factors 2024年6月12日 1 INTRODUCTION Blast furnace slag (BFS) and steel slag (SS), as industrial solid wastes produced in the process of steelmaking, account for 80%–90% of the total smelting slag [] BFS accounts for about 30% of pig iron output, [] while SS accounts for 10%–15% of the crude steel output [] SS comprises various slags, including basic oxygen furnace slag (BOFS) Recycling of iron and steel slag for carbon reduction and low 2min After which terpenic oil was added and the slurry was stirred for 05min Following this, the air was introduced, and after 05min of aeration, scraping of froth was startedRecovery of carbon and cryolite from spent carbon anode slag of2023年12月1日 According to statistics, the global primary aluminum production reached 6734 million tons, and the global electrolytic aluminum output reached 6724 million tons in 2021 At the same time, the electrolytic aluminum production accounted for 9985% of the primary aluminum (International Aluminum Institute, 2021)Harmless recovery and utilization of electrolytic aluminum spent
Purification of spent cathode carbon from aluminum electrolysis
2022年9月27日 Spent cathode carbon (SCC), with high recycling potential of carbon, is an unavoidable solid waste in the aluminum electrolysis industry In this work, we proposed a combined alkali fusionacid leaching process for carbon recovery from SCC The possible chemical reactions of complex inorganic impurities in molten alkali were predicted and verified 2021年9月17日 Upon holding for 60 min in air atmosphere first and then smelting with 144 wt% waste cathode carbon and 25 wt% CaO for 180 min in high purity Ar atmosphere at 1450 °C, the recovery rates of Cu and Fe reach 9589% and 9464%, respectively, and meanwhile greater than 90% of the fluoride from waste cathode carbon is transferred into the final slag as CaF2 and Iron and copper recovery from copper slags through smelting with 2024年10月23日 Recycling and reusing industrial waste and byproducts are topics of great importance across all industries, but they hold particular significance in the metal industry Aluminum, the most widely used nonferrous metal globally, generates considerable waste during production, including dross, salt slag, spent carbon cathode and bauxite residue Extensive Valorization of Residue from Aluminum Industries: A Review MDPI2023年3月12日 Aluminum has a variety of uses in the building, transportation, electric power, packaging, national security, and hightech industries due to its unique chemical and physical properties []Cryolitealumina molten salt electrolysis is mainly applied in modern industrial aluminum production [2,3]As the aluminum production process continues, a large amount of Recovery of Carbon and Cryolite from Spent Carbon Anode Slag
Ultrasoundassisted enhanced leaching of lithium and
During the production in the electrolytic aluminum industry, a significant volume of hazardous wastes is generated, including overhaul slag, aluminum ash, carbon slag, and WCC (waste cathode carbon block), with WCC being particularly hazardous due 2023年3月1日 In the reduction process, the fluoride acts as a flux, which reduces the viscosity of the slag In addition, fluorine enhances the carbothermal reaction of Fe 3 O 4 in the slag and the reducing agent carbon in SCC [34] Thus, the recoveries of copper and iron increased with the addition of cathode carbonMigration of fluorine during the reduction of copper slag from other properties Spent cathode carbon (SCC) during aluminum electrolysis, which contains fixed carbon, fluoride, alumina, and silica, is generated by the rupture of the carbon cathode during electrolytic aluminum production[1] Directly depositing large amounts of SCC in open environments leads to valuable resources being wastedEffect of Fluorine on Copper Slag Properties and Structure During 2023年1月20日 Request PDF Effect of Fluorine on Copper Slag Properties and Structure During Reduction by Spent Cathode Carbon Industrial production processes generate a large amount of secondary resources Effect of Fluorine on Copper Slag Properties and Structure During
The Influence of Aluminum Slag Ash for Paving Block Production
2021年11月1日 This content was downloaded from IP address 181214191193 on 15/12/2021 at 06:26The main challenge of the steel industry for the next decade is the steel production transformation process, starting in Europe The CO 2 intensive blast furnace/basic oxygen furnace (BOF) route will be substituted by a combination The steel production transformation process in 2021年9月5日 Electroplating sludge, a hazardous solid waste product of the electroplating industry, presents a serious environmental pollution risk In this study, an environmentally friendly process for solidifying and recovering heavy metals from electroplating sludge using copper slag and spent cathode carbon is proposed Combining the results of toxicity characteristic leaching Cotreatment of electroplating sludge, copper slag, and spent cathode 2023年1月10日 Based on the above analysis, a novel cotreatment process for SCA and copper slag has been proposed for the first time In this industrial production, the F in the SCA reacted with CaO in the copper slag to form CaF 2, and the carbon in the SCA reacted with Fe 3 O 4 in the copper slag as a reductant to form FeO, which both reduced the viscosity of the slagCotreatment of spent carbon anode and copper slag for reuse
Selective preparation of lithium carbonate from overhaul slag by
2024年5月1日 As a dangerous solid waste, overhaul slag has been treated harmfully and as a resource by many researchers The floatation chemical process could recover 959% carbon and 901% fluoride from the overhaul slag, but it makes the secondary wastewater treatment more difficult (Wang et al, 2012)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 2023年1月8日 The harmless disposal of spent cathode carbon blocks (SCCBs) has become an urgent issue in the primary aluminum industry, and the disposal of SCCBs by cocombustion in pulverized coal boilers is expected to be the most effective treatment method A muffle furnace at 815 °C was used in this study to perform a cocombustion experiment of meager coal and Study on Slagging Characteristics of CoCombustion of Meager The ash samples were formed into ash cones with a base length of 7 mm and a height of 20 mm, and the ash melting points of the 12 groups of ash samples were measured under a weak oxidizing atmosphere using a ZDHR3 ash melting point tester Subsequently, the characteristic melting temperature of the ash was measured according to theStudy on Slagging Characteristics of CoCombustion of Meager
Slag Cement Production Line Blast Furnace Slag Cement Making
how to make blast furnace slag cement? Recently, Slag has become an important mixing material of cement, grind ability of slag is very poor In general, the slag powder is processed by the slag grinding plant in advance, and slag powder will be sent into the cement plant for making slag cement, so it is particularly important to select the appropriate slag grinding plantDOI: 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