HOME→Aluminum ash, overhaul slag, aluminum electrolysis Environmentally friendly powder making equipment
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 electrolysis Environmentally friendly powder making equipment
Dissolution behavior of overhaul slag from aluminum reduction
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 Disposal2022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 Comprehensive performance study of aluminum ash and calcium 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
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The recycling of carbonrich solid wastes from aluminum
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 2024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 The experimental results show that the best ratio of aluminum ash and calcium carbide slag is 1:9, the best pressure is 300mpa, the best curing time is 5d, and the best curing condition is Comprehensive performance study of aluminum ash and calcium 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 Slag
Cleaner Process for the Selective Extraction of Lithium from Spent
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 2016年1月1日 These compounds are formed as a result of the 'anode effect'; they are nontoxic to humans but aid in stratospheric ozone depletion and are highly stable, lasting for more than 10,000 yearsGlobal Considerations of Aluminium Electrolysis on Energy and 2022年12月12日 Calcium carbide slag is a waste slag produced after the hydrolysis of calcium carbide to obtain acetylene gas, with very fine particles, offwhite color due to the presence of trace carbon and sulfur impurities, slightly odorous, with Ca(OH) 2 as the main component, and a slag liquid pH value of 12 or more, thus often causing serious pollution to the environment [18]Comprehensive performance study of aluminum ash and calcium 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
Enhanced flotation separation of aluminum electrolysis anode slag
2024年3月1日 In order for the aluminum electrolysis industry to develop in an environmentally friendly and highquality manner, the harmless disposal of carbon anode slag and its resourceful utilization are of 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 2023年5月20日 Regeneration of raw materials for aluminum electrolysis from spent carbon anodes via a closedloop environmentallyfriendly process based on aluminum–fluorine complexation Thermal behaviors, combustion mechanisms, evolved gasses, and ash analysis of spent potlining for a hazardous waste management J Environ Sci, 107 (2021) Regeneration of raw materials for aluminum electrolysis from (4) Green and Safe Disposal Technology for Aluminum Electrolysis Pollutants This technology solves a number of technical problems in the green, safe disposal and resourceful use of aluminum electrolysis overhaul slag and secondary aluminum ash, The Development of Aluminum Industry and Technology in China
A Review of Secondary Aluminum Production and Its Byproducts
2021年7月30日 The aluminum metal and molten salt flux are tapped after the process, where the cooled flux along with the mixture of nonmetallic components is called salt slag or salt cake54 Salt slag contains 5–7 wt% residual aluminum metal, 15–30 wt% aluminum oxide, 30–55 wt% sodium chloride, and 15–30 wt% potassium chloride and, depending upon the 2023年4月25日 石河子科技, 2020(1):3334 TAN Z J Analysis on the harmless treatment of aluminum electrolysis overhaul slag[J] Shihezi Science and Technology, 2020(1):3334 [37] Nie Y, Guo X, Guo Z, et al Defluorination of spent pot lining from aluminum electrolysis using acidic ironcontaining solution[J]电解铝大修渣处置研究进展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 2023年8月2日 Some different possible solutions to the problem of industrial waste originating from primary aluminium production (also known as SPL) have been investigatedSustainable Recovery of Fluorine from Waste Aluminum
The recycling of carbonrich solid wastes from aluminum
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 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 componentsA Review of Secondary Aluminum Production and 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 2024年4月17日 Recycling plays an important role in today's world due to its considerable contributions to mitigating energy concerns and environmental challenges One of them is dross recycling from aluminum (Al) cast houses Unlike other recyclable materials, dross has an abundance of components, including rare earth elements, heavy metals, ferrous, and recycled Aluminum dross: aluminum metal recovery and emerging
Here's what No One tells you about Comprehensive Utilization
2021年2月8日 The aluminum dross skimming from the smelting furnace is called primary aluminum dross, which is graywhite in appearance, mainly composed of a mixture of metallic aluminum and aluminum oxide, and the aluminum content can reach 15%~ 70%, also known as “white aluminum dross”; secondary aluminum dross is the waste after the primary aluminum Regeneration of raw materials for aluminum electrolysis from spent carbon anodes via a closedloop environmentallyfriendly process based on aluminum–fluorine complexation J Clean Prod , 402 ( 2023 ) , Article , 101016/jjclepro2023Evironmentally friendly comprehensive utilization of retired waste 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 prehensive performance study of aluminum ash and calcium 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 environmental pollution and wasting of Li resources This paper proposes a method for recovering Li from the slag using AlCl 3 as the leaching agent The effects of the leaching temperature, AlCl 3 Efficient lithium recovery from electrolytic aluminum slag via an
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Progress in Aluminum Electrolysis Control and Future Direction
2016年10月24日 The industrial aluminum reduction cell is an electrochemistry reactor that operates under high temperatures and highly corrosive conditions However, these conditions have restricted the measurement of key control parameters, making the control of aluminum reduction cells a difficult problem in the industry Because aluminum electrolysis control 2018年10月1日 In the secondary aluminum industry (aluminum scrap recovery), about 200 kg of aluminum is produced per each ton of secondary aluminum (Seng et al, 2006) By 2020, annual global demand for aluminum will reach to about 97 million tons and almost 32% of which that equals to 31 million tons is expected to be supplied from scrap recycling ( Tsakiridis et al, 2013 )Hazardous aluminum dross characterization and recycling 2023年7月15日 Green and efficient recovery of solid waste from aluminum electrolysis is of great significance In this study, the sediment generated by aluminum electrolysis at the bottom of the waste tank was used as an alternative F resource A new process of lowtemperature acidification roasting with Al 2 O 3 as the catalyst was performed to effectively Environmentally friendly and efficient green recovery of fluoride 2024年6月1日 The 21st century is a hightech era in human history The updating speed of cuttingedge technology in these decades has far exceeded that in the past thousands of years, owing to the wide application of REEs 1 On account of the unique electron configurations, REEs possess distinctive physical and chemical properties, and are widely used in aerospace, REEs recovery from molten salt electrolytic slag: Challenges and
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(PDF) Making sustainable aluminum by recycling scrap: The
2022年4月1日 A “green aluminum” trend has already triggered a new trading platform for lowcarbon aluminum at the London Metal Exchange (2020) The trend may lead to limits on the use of lesssustainable 2021年10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 industryA novel approach for lithium recovery from waste lithium 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 2024年3月1日 SEM pictures of (a) highcalcium fly ash (Wang et al, 2022b), (b)–(c) short rodlike Ca 2 SiO 4 covering on the surface of fly ash after calcined and washed (Wang et al, 2022b), (d) tubular crystal ferric silicate on fly ash surface (Rodríguez et al, 2013), (e) crystalline particles with dendritic structure distributed on the surface of fly ash particles (Rodríguez et al, 2013), Review A review on fly ash highvalue synthesis utilization and its
(PDF) The Study of Carbon Recovery from Electrolysis Aluminum Carbon
2021年1月12日 In order for the aluminum electrolysis industry to develop in an environmentally friendly and highquality manner, the harmless disposal of carbon anode slag and its resourceful utilization are of 2024年2月1日 The pyrometallurgical process for AD is the subject of extensive research interest The pyrometallurgical process was used to recycle up to 90% of the valuable material from waste aluminum dross (Verma et al, 2021)A study stated that recycling scrap can produce sustainable aluminum (Raabe et al, 2022)Promising methods for managing aluminum dross have been Thermal utilization techniques and strategies for secondary aluminum 2012年5月30日 Aluminium salt slag is toxic/hazardous waste (production: 200–500 kg/Al tonne) Chemical and mineralogical characteristics are presented Various processes for Al metal recovery and recycling of KCl/NaCl to smelting process are reported Preparation of value added products from the final NMR is discussedAluminium salt slag characterization and utilization – A review2022年12月19日 Due to the excellent engineering property, aluminum has become an important material for processing industries As the demand of aluminum increased, a large amount of waste aluminum dross has been generated during the aluminum smelting process The aluminum dross contained aluminum nitride and would cause odor while being disposed in landfill, Recycling of aluminum dross for producing calcinated alumina by
Efficient lithium recovery from electrolytic aluminum slag via an
2024年2月1日 Regeneration of raw materials for aluminum electrolysis from spent carbon anodes via a closedloop environmentallyfriendly process based on aluminum–fluorine complexation Article Mar 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 Sustainable Recovery of Fluorine from Waste Aluminum 2021年6月25日 Abstract The capital and operational expenditures and the energy efficiency of the conventional and chlorine processes of aluminum production are compared A comprehensive analysis demonstrates that the chlorine process under modern conditions has the potentials for development as efficient production of highpurity aluminum in moderate amounts rather than Prospects of Aluminum Chloride Electrolysis under Modern Conditions2024年2月1日 Abundant carbon resides in spent cathode carbon (SCC) of aluminum electrolysis and its highpurity carbon powder is conducive to highvalue recyclingA 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 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 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 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 A novel approach for lithium recovery from waste lithium
Comprehensive performance study of aluminum ash and calcium
2022年12月1日 DOI: 101016/jconbuildmat2022 Corpus ID: ; Comprehensive performance study of aluminum ash and calcium carbide slag for brick making under ultrahigh pressure @article{Ren2022ComprehensivePS, title={Comprehensive performance study of aluminum ash and calcium carbide slag for brick making under ultrahigh