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
Waste aluminum ash, overhaul slag, aluminum electrolyte processing
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 harmless and reclamation disposal of overhaul slag, which is a hazardous waste from aluminum electrolysis, is a great challenge Herein, a synergistic disposal strategy, Dissolution behavior of overhaul slag from aluminum reduction 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
Recovery of aluminum from waste aluminum alloy by low
2020年8月1日 Here, we discuss the influence of different processing parameters on electrolytic refining of aluminum alloy and investigate the mechanism of extracting Al from coarse AlSi 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 The invention discloses a treatment process of overhaul slag of an aluminum electrolytic cell, which comprises the following steps: sorting overhaul residues of an aluminumCNA Treatment process of aluminum electrolysis cell
电解铝大修渣处置研究进展
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 aluminum overhaul slag disposal, and points out the 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 yearPresent situation of production, utilization and disposal of 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 development 电解铝大修渣处置研究进展2023年4月25日 School of Minerals Processing Bioengineering 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 2013(5):2327 LI N, LI 电解铝大修渣处置研究进展
CNA Recovery treatment method of electrolytic aluminum ash
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 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 As the main solid waste of the electrolytic aluminum industry, overhaul slag contains a large amount of hazardous substances, and how to treat it harmlessly and efficiently recover the valuable substances in it has become an urgent problem in the aluminum industry in recent years This article analyzes and summarizes the composition and hazards of the overhaul slag and Research Progress of Electrolytic Aluminum Overhaul Slag Disposal2023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
Aluminum Ash Processing Aluminum Ash Recovery Aluminum Ash
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 2023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 Synthetic Sialon powder from aluminum dross and coal ash Waste dross from repair and replacement of the cathode lining of the electrolytic cell during the aluminum electrolysis process (overhaul slag) 2 Thoughts on the cost changes brought about by the hazardous waste of aluminum dross: Processing qualification issuesAluminium dross processing/Brightstar Aluminum MachineryDissolution behavior of overhaul slag from aluminum reduction cell in a cryolitebased molten salt system Energy Rep , 9 ( 2023 ) , pp 118 127 , 101016/jegyr202304036 View PDF View article View in Scopus Google ScholarEnvironmentally friendly recycling of energy storage functional
Study on Harmless and Resources Recovery Treatment Technology of Waste
772 Jinling Wang et al / Procedia Environmental Sciences 16 ( 2012 ) 769 – 777 Fig 2 Spectrum analysis of x ray spectrum Table 2 x ray photoelectron spectroscopy analysis results of main 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 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 accordingAssessing Environmental Impact of Aluminum Ash Disposal in 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
Selective extraction of lithium and solidified fluoride from overhaul
2024年10月1日 On the other hand, the collaborative disposal of red mud and overhaul slag effectively alleviated the dilemma of producing a large amount of waste in the aluminum industry, but the addition amount of overhaul slag only accounts for less than 20 % (Xie et al, 2020)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 Request PDF On Oct 1, 2024, Jiaxin Yang and others published Evironmentally friendly comprehensive utilization of retired waste electrolytes of aluminum electrolysis by calcification leaching Evironmentally friendly comprehensive utilization of retired waste Aluminum electrolysis of China, solid waste, such as waste aluminum electrolyte, has been largely idled and caused serious environmental pollution In this paper, a novel approach is developed for achieving the separation/recovery of lithium from spent lithiumcontaining aluminum electrolyte by a sodium carbonate roastingacid leaching processA novel approach for lithium recovery from waste lithium
Novel process for the extraction of lithium carbonate from spent
2020年12月1日 A hydrometallurgical process was developed to extract lithium from a spent lithiumcontaining aluminum electrolyte, reduce the stacking of spent aluminum electrolyte, and recover the valuable elements In this study, we extracted lithium from an electrolyte using the following three steps: 1) leaching with HNO 3 − Al(NO 3) 3, 2) neutralizing the leachate 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 Download Citation On Sep 1, 2023, Rui Xu and others published Clean Process for Selective Recovery of Lithium Carbonate from Waste LithiumBearing Aluminum Electrolyte Slag Find, read and cite Clean Process for Selective Recovery of Lithium Carbonate from Waste CNA CN 1 CN1A CNA CN A CN A CN A CN 1 CN1 CN 1 CN 1 A CN1 A CN 1A CN A CN A CN A Authority CN China Prior art keywords waste lining cell fly ash treating Prior art date Legal CNA Treatment of aluminum electrolyticcell waste
CNA Treatment process of aluminum electrolysis cell overhaul
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 2024年6月4日 In the process of primary aluminum production, aluminum alloy processing and waste aluminum recycling, a large amount of aluminum ash will be produced, and every 1 t of molten metal aluminum produced by recycled aluminum can produce 8–15% of aluminum ash residue (Tsakiridis 2012; Meshram and Singh 2018)Assessing Environmental Impact of Aluminum Ash Disposal in 2020年1月28日 As can be seen from Fig 2, a large amount of impurities were present inside the spent cathode carbon blockThe results of the sample after leaching toxicity analysis show that the soluble fluoride content in the spent cathode carbon block is about 3000–6000 mg L −1, far exceeding the national standard of 100 mg L −1 for hazardous wasteCharacteristic Analysis of Hazardous Waste from Aluminum Reduction 2023年2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 Industrial experimental research on coprocessing of spent
A Review of Secondary Aluminum Production and Its Byproducts
2021年7月30日 Representation of scrap metal and Eddy current separator (a) Scrap metal with various geometries (b) Diagram showing the separation of metallic from nonmetallic componentsnumber of waste electrolytes At present, there are few studies on the recycling of waste aluminum electrolytes (WAE), and only a few similar research is related to the waste lining or furnace bottom waste generated when the electrolytic cell is o [10] How ever, it must be noted that an electrolytic cell in normalSustainable Recovery of Fluorine from Waste Aluminum Electrolyte 2020年8月1日 In these experiments, coarse AlSi alloys with a 5cm 2 effective area were used as the soluble anode, a pure aluminum sheet (aluminum content 99999%) was used as the cathode, and AlCl 3NaClKCl as the electrolyteThe NaCl, KCl, and AlCl 3 (anhydrous) used in the experiments were all analytically pure reagents, produced by Sinopharm Chemical Recovery of aluminum from waste aluminum alloy by low 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
CNA Treatment method for recovering aluminum from aluminum
The invention discloses a treatment method for recovering aluminum by combining aluminum ash and aluminum slag with overhaul slag, which comprises the following steps: 1 respectively processing and utilizing aluminum ash and overhaul residues, preparing waste aluminum ash powder and cathode powder with the particle size of more than 80 meshes, and crushing 2023年4月25日 School of Minerals Processing Bioengineering 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 2013(5):2327 LI N, LI 电解铝大修渣处置研究进展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 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
Research Progress of Electrolytic Aluminum Overhaul Slag Disposal
As the main solid waste of the electrolytic aluminum industry, overhaul slag contains a large amount of hazardous substances, and how to treat it harmlessly and efficiently recover the valuable substances in it has become an urgent problem in the aluminum industry in recent years This article analyzes and summarizes the composition and hazards of the overhaul slag and 2023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 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
Aluminium dross processing/Brightstar Aluminum Machinery
Synthetic Sialon powder from aluminum dross and coal ash Waste dross from repair and replacement of the cathode lining of the electrolytic cell during the aluminum electrolysis process (overhaul slag) 2 Thoughts on the cost changes brought about by the hazardous waste of aluminum dross: Processing qualification issuesDissolution behavior of overhaul slag from aluminum reduction cell in a cryolitebased molten salt system Energy Rep , 9 ( 2023 ) , pp 118 127 , 101016/jegyr202304036 View PDF View article View in Scopus Google ScholarEnvironmentally friendly recycling of energy storage functional 772 Jinling Wang et al / Procedia Environmental Sciences 16 ( 2012 ) 769 – 777 Fig 2 Spectrum analysis of x ray spectrum Table 2 x ray photoelectron spectroscopy analysis results of main Study on Harmless and Resources Recovery Treatment Technology of Waste