HOME→Ultrafine aluminum ash, overhaul slag, aluminum electrolyte transportation, explosionproof requirements
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Ultrafine aluminum ash, overhaul slag, aluminum electrolyte transportation, explosionproof requirements
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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 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 Dissolution behavior of overhaul slag from aluminum reduction 2022年12月12日 In this paper, the ultrahigh pressure contact molding technology is used for the first time to prepare highperformance building materials with aluminum ash and calcium Comprehensive performance study of aluminum ash and calcium
Comprehensive performance study of aluminum ash and calcium
2022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 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 Slag2024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 Cleaner Process for the Selective Extraction of Lithium from Spent 2023年9月1日 This study employed hydrometallurgical processes to selectively leach lithium from Licontaining aluminum electrolyte slag, using sodium carbonate solution as the leaching Clean Process for Selective Recovery of Lithium Carbonate from
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Efficient lithium recovery from electrolytic aluminum slag via an
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 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 Its harmless and resourcebased treatment has become one of the main research directions In this paper, the ultrahigh pressure contact molding technology is used for the first time to 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
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Preparation of Ultrafine Aluminum Hydroxide from
2011年1月1日 A new twostep alkali dissolution technique was used to prepare ultrafine aluminum hydroxide from coal fly ash in this study The first step alkali dissolution was to leach SiO2 from the coal fly 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 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 Aluminium
Clean Process for Selective Recovery of Lithium Carbonate from
2023年9月1日 Lithium (Li)bearing aluminum electrolyte slag is an inevitable byproduct of the aluminum industry, and improper disposal or stacking it may lead to potential environmental hazards This study employed hydrometallurgical processes to selectively leach lithium from Licontaining aluminum electrolyte slag, using sodium carbonate solution as the leaching agent 2024年6月4日 By recycling the metal aluminum in aluminum ash, the quantity and toxicity of aluminum ash can be reduced, and the other components in aluminum ash can be utilized to prepare refractory materials (Li et al 2014; Yoshimura et al 2008; Ruiqiong et al 2014), desulfurizer (Weiqin 2010), aluminum sulfate (Ming 2018) and other products, which can Assessing Environmental Impact of Aluminum Ash Disposal in 2024年1月1日 Semantic Scholar extracted view of "Efficient lithium recovery from electrolytic aluminum slag via an environmentally friendly process: Leaching behavior and Green and efficient separation of fluorine from spent aluminum electrolyte by aluminum sulfate solution: Leaching behavior and mechanism Lingqi Meng Tianxiang Hao +5 Efficient lithium recovery from electrolytic aluminum slag via an 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
Fluorineretaining agent for overhaul slag of aluminum
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 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 2020年1月1日 In the absence of any standard mix design method, the proposed mix design is done in reference to our earlier publication on fly ashbased GPC [14], [15]Geopolymer concrete was prepared for different contents of RHA (RHA = 350, 370 and 400 kg/m 3) as a primary binderSimilar to that of conventional concrete, coarse and fine aggregates were taken Effects of ultra fine slag as mineral admixture on the compressive 2024年5月25日 This study investigated the influences of ultrafine fly ash (UFA) and ultrafine slag powder (USL) on the compressive strengths, autogenous shrinkage, phase assemblage, and microstructure of magnesium potassium Influence of Ultrafine Fly Ash and Slag Powder on
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(PDF) Ultrafine aluminum oxide particles prepared by detonation
2013年12月1日 The analyses by the transmission electron microscope and xray diffraction techniques indicate that all granules of the aluminum oxide are spherical, the sizes of the granules are less than 100 nm 2023年4月25日 大修渣作为电解铝行业的主要固体废弃物，含有大量的危害物质，如何对其无害化处理并高效回收其中有价值物质，是近些年铝行业亟待解决的难题。本文分析总结了大修渣的成分、危害及目前国内外电解铝大修渣处置的发展状况，并指出了我国电解铝行业危险废物处置的发 电解铝大修渣处置研究进展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 A Review of Secondary Aluminum Production and Its Byproducts2024年2月3日 Fine slag (FS) is an unavoidable byproduct of coal gasification FS, which is a simple heap of solid waste left in the open air, easily causes environmental pollution and has a low resource utilization rate, thereby restricting the development of energysaving coal gasification technologies The multiscale analysis of FS performed in this study indicates typical grain size Multiscale analysis of fine slag from pulverized coal gasification in
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Ultrafine aluminum oxide production by detonation
2005年3月1日 The experimental study of ultrafine aluminum oxide formed by the mixture detonation of aluminum nitrate and PETN used to maintain steady detonation is presentedThe 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 2014年1月1日 The two locally available pozzolanic solid wastes (PMs) ultrafine palm oil fuel ash (UPOFA) and ground blast furnace slag (GBFS) have been used as base materials to develop high alkaline Evolution of Alkaline Activated Ground Blast Furnace SlagUltrafine 2001年1月5日 Request PDF Thermal Characteristic of Ultrafine Grained Aluminum Produced by Wire Electrical Explosion The thermal stability by using differential scanning calorimetry (DSC) method to measure Thermal Characteristic of Ultrafine Grained Aluminum Produced by
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]2021年9月1日 Cement mixes manufactured from 45 to 50% aluminum sludge, 3750–4125% aluminum slag (dross) with 1250–1375% alumina were selected as the optimum mixes for manufacturing calcium aluminate A novel green process for the synthesis of highwhiteness and ultrafine 2023年3月1日 The objective of this review is to critically evaluate important aspects of aluminium dross generation, classification, properties, applications, and its commercial recycling techniques A byproduct of aluminium industry, aluminium dross is recycled by pyrometallurgy, hydrometallurgy, and hydrothermal processes, leading to aluminium recovery and generation On trending technologies of aluminium dross recycling: A reviewSpent 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
Comprehensive performance study of aluminum ash and calcium
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 industry Both of them will cause serious pollution risks to the environment Its harmless and resourcebased treatment has become one of the main research directions2022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 1998年6月1日 Alex powder (an ultrafine aluminum powder produced by the plasmaexplosion process) has been shown to be a very effective burning rate enhancer for solid propellants and fuels The objective of this research is to investigate the mechanisms responsible for the beneficial effect of Alex A TGA and DTA were employed to examine the thermal bahavior of Comparison of Thermal Behavior of Regular and Ultrafine Aluminum 2002年3月1日 Nickel aluminide NiAl was synthesized by using aluminum nanoparticles via the thermal explosion mode of the selfpropagating high temperature synthesis (SHS)Synthesis of intermetallic NiAl by SHS reaction using coarse
Aluminium Hydroxide Ultrafine Powder Extracted from Fly Ash
2012年5月1日 Al(OH)3 ultrafine powder was extracted from fly ash with the method of dispersing agentcarbonizating Fly ash is activated by the method of sintering with limestone, so the inert mullite can be It is shown experimentally that agglomeration of ultrafine aluminum powders decreases their reactivity during nonisothermal oxidation in air Under normal and low pressures, the concentration of bound nitrogen in combustion products is lower for agglomerated powders than for unagglomerated powders, and under high pressures (>120 kPa), it is higher for Combustion of Agglomerated Ultrafine Aluminum Powders in 2024年5月25日 This study investigated the influences of ultrafine fly ash (UFA) and ultrafine slag powder (USL) on the compressive strengths, autogenous shrinkage, phase assemblage, and microstructure of Influence of Ultrafine Fly Ash and Slag Powder on Microstructure 2023年1月18日 PDF Steel slag, desulphurised ash, The compressive strength of the 28−day sample reached 124 MPa, meeting the mine−filling requirements, while that of the 90−day sample was 316 MPaThe Preparation Process and Hydration Mechanism of
Formulation of NonFired Bricks Made from Secondary Aluminum Ash
2021年12月21日 The secondary aluminum ash is the black slag left after the primary aluminum ash is extracted from the metal aluminum To address the environmental pollution and resource waste caused by the accumulation and landfill of aluminum ash, this study fabricated nonfired bricks by using secondary aluminum ash as the principal raw material, which was 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1日 A novel approach for lithium recovery from waste lithiumcontaining aluminum electrolyte by a roastingleaching process Author links open overlay panel Shaohua Wu a, Wenju Tao a 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 A novel approach for lithium recovery from waste lithium 2024年1月11日 The coal gasification is the key process of clean usage of coal resource, which inevitably produces a large amount of coal gasification slag (CGS), and causes serious environmental pollution and ecological damage The high ash content of coal gasification fine slag (CGFS) prevents the efficient utilization of residual carbon in CGFS In this work, carbonrich Preparation of coal gasification fine slagbased Springer
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Research on the Preparation Parameters and Basic Properties of
2021年10月6日 Secondary aluminum dross is a byproduct of the electrolytic aluminum industry, whose main components are Al2O3, AlN and Na3AlF6 Secondary aluminum dross is a type of hazardous waste, with a 2001年5月1日 For example, nanoaluminum powder can be produced by wire explosion [28] [29] [30], and an enhancement of burning rate can be achieved with nanoaluminum powder which diameter ranges between 40 Ultrafine powder by wire explosion method Request PDFThe paper studies properties of an ultrafine aluminum powder produced by electric explosions of conductors, whose particles are stabilized by coating with aluminum diboride immediately during the synthesis of the powder The ultrafine aluminum powder stabilized in such a manner has special properties: narrow particle size distribution, increased dispersity, and higher resistance Properties of Ultrafine Aluminum Powder Stabilized by Aluminum