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 sulfate ash, overhaul slag, aluminum electrolyte crusher hammer
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 The main components of overhaul slag are aluminum and silicon oxides These components could be dissolved in the molten cryolitebased salt system (ie, electrolyte) in the Dissolution behavior of overhaul slag from aluminum reduction 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
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Cleaner Process for the Selective Extraction of Lithium
2024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 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 by low Aluminum ash is a kind of industrial solid waste Original aluminum ash (OAA) can be prepared into original aluminum ash spray powder (OAASP) through hydrolysis treatment, and the Recycling and Utilization of the Electrolytic Aluminium Ash and Slag2024年1月1日 A novel approach for lithium recovery from waste lithiumcontaining aluminum electrolyte by a roastingleaching process Anode carbon residue is produced in the production Efficient lithium recovery from electrolytic aluminum slag via an
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 year2023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 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
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Green and efficient separation of fluorine from spent aluminum
Aluminum is widely used in aviation, shipping and daily durables due to its various special properties [1], [2]According to statistics, the global production of primary aluminum reached 6976 million tons in 2023 and China’s primary aluminum production was 4159 million tons, accounting for 59 % of the global production [3]The cryolitealumina molten salt electrolysis is the only 2024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 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 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 technology was developed Cleaner Process for the Selective Extraction of Lithium from Spent
Sustainable Recovery of Fluorine from Waste Aluminum Electrolyte
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 The electrolytic aluminum industry produces a large amount of fluorinecontaining waste slag every year, causing serious environmental pollution and waste of fluorine resources In this paper, the method and process of recovering fluorine from spent aluminum electrolyte was investigated by using Al 2 (SO 4) 3 solution asGreen and efficient separation of fluorine from spent aluminum 2023年11月28日 Spent anodes (butts) are the remaining portion of prebaked anodes after consumption, which are reintroduced into the production of prebaked anodes after treatment Among these residues, the main harmful element, sodium, tends to accumulate with the repeated recycling of the butts This accumulation increases the air reactivity of prebaked anodes and Sodium Removal from Aluminum Electrolysis Spent Anodes2023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
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A novel approach for ultrasonic assisted organic acid leaching of
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]2013年12月1日 Aluminum dross tailings, an industrial waste from the Egyptian Aluminum Company (Egyptalum), was used to produce two types of alums: aluminum sulfate alum (Al2(SO4)312H2O) and ammonium aluminum (PDF) Optimization of process for total recovery of 2023年4月25日 甘肃冶金, 2017, 39(4):8689 LIANG W Q Disposal and reuse plan of aluminum ash, carbon slag and overhaul slag[J] Gansu Metallurgy, 2017, 39 废旧阴极中的碳和电解质[J] 轻金属, 2013(5):2327 LI N, LI R X, XIE G, 电解铝大修渣处置研究进展Coal fly ash (CFA), an industrial byproduct of hightemperature combustion of coal in coalfired power plants, is one of the most complex and largest amounts of industrial solid wastes generated in China It is widely recognized that CFA should be considered as a potential alumina resource to substitute bauxite In this review, the features of highalumina fly ash and aluminum recovery Aluminum extraction technologies from high aluminum fly ash De Gruyter
A novel approach for lithium recovery from waste lithium
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 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 industryRecovery of carbon and cryolite from spent carbon anode slag of 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 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
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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 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 2019年2月26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 9897% was prepared by (PDF) Preparation of Alumina from Aluminum Ash by2022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 Recovery of carbon and cryolite from spent carbon
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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 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 AluminiumSustainable Recovery of Fluorine from Waste Aluminum Electrolyte by Sulfuric Acid Baking Wenju Tao1,2 Jiaxin Yang1,2 Liyu Chen1,2 Yifan Zhang 1,2 Shaohua Wu1,2 Jiaming Li1,2 Zhaoshun Liu1,2 Jingui He3 Zhaowen Wang1,2 Received: 10 February 2023 / Accepted: 15 July 2023 / Published online: 2 August 2023Sustainable Recovery of Fluorine from Waste Aluminum Electrolyte Overhaul slag is a hazardous waste which is from the process of aluminum electrolysis industry In this work, a technology of calcium sulfate roasting and water leaching was developed to dispose of overhaul slag The effects of roasting and leaching parameters were investigated in detail Under the optimal roasting conditions, the fluorine could be stably solidified into CaF, Selective extraction of lithium and solidified fluoride from overhaul
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Electrolytic aluminum overhaul slag harmless technology
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 Harmless aluminum ash hazardous waste disposal program: through acid leaching, alkaline leaching, washing, etc, the nitride, fluoride, salt and other impurities in the secondary aluminum ash are removed to obtain harmless aluminum ash before safe filling Buried Recycling process: After removing toxic and harmful substances, the secondary aluminum ash is processed by Aluminum Ash Processing Aluminum Ash Recovery Aluminum Ash 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 A comprehensive review of aluminium electrolysis and the waste 2023年8月2日 Request PDF Sustainable Recovery of Fluorine from Waste Aluminum Electrolyte by Sulfuric Acid Baking The highvalue, green and harmless purification of aluminum electrolysis comprehensive Sustainable Recovery of Fluorine from Waste Aluminum Electrolyte
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Dissolution behavior of overhaul slag from aluminum reduction
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 2020年12月1日 Green and efficient separation of fluorine from spent aluminum electrolyte by aluminum sulfate solution: Leaching behavior and mechanism Lingqi Meng Tianxiang Hao +5 Cleaner Process for the Selective Extraction of Lithium from Spent Aluminum Electrolyte Slag Tao Zhang Fupeng Liu +4 authors Yong Guo Engineering, Chemistry ACS Novel process for the extraction of lithium carbonate from spent Aluminium sulfate is a salt with the formula Al 2 (SO 4) 3It is soluble in water and is mainly used as a coagulating agent (promoting particle collision by neutralizing charge) in the purification of drinking water [3] [4] and wastewater treatment Aluminium sulfate WikipediaAluminum sulfate produces acidic conditions, whereas synthetic sizing agents produce acidfree paper which does not break down as easily (6) Medical Applications Going to the doctor’s office is never fun, but because of Aluminum Sulfate Composition and Uses Affinity
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Aluminum Sulfate an overview ScienceDirect Topics
Aluminum is an amphoteric metallic element capable of dissolving in both acid and alkaline solutions by formation of aluminum complexes In general, there are two approaches to treating secondary slag: hydrometallurgical processes and pyrometallurgical processes (Mahinroosta and Allahverdi, 2018a; Srivastava and Meshram, 2023)Pyrometallurgical processes have a high 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 2021年10月6日 Research on the Preparation Parameters and Basic Properties of Premelted Calcium Aluminate Slag Prepared from Secondary Aluminum DrossResearch on the Preparation Parameters and Basic Properties of 2024年10月1日 Selective extraction of lithium and solidified fluoride from overhaul slag by the calcium sulfate roasting and water leaching October 2024 Minerals Engineering 217(4):Selective extraction of lithium and solidified fluoride from overhaul
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Enhanced flotation separation of aluminum electrolysis anode slag
Download Citation On Mar 1, 2024, Ningning Zhang and others published Enhanced flotation separation of aluminum electrolysis anode slag via microemulsification of diesel collector Find, read 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 2022年11月2日 To prepare highpurity aluminum by ionic liquidbased electrolytic aluminum deposition, primary aluminum (about 99% purity) is used as the anode, which is immersed in the ionic liquid electrolyte The refinement of aluminum is achieved via an electrolytic reaction at lower temperatures (25–80°C), and highpurity aluminum is produced on the cathodeIonic liquids as electrolytes in aluminum electrolysis