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2023年3月1日 Aluminium dross recycling, thus, yields a broad range of useful materials, including metal, ceramic, and composite. Finding efficient recycling methods is crucial for
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2022年12月19日 The aluminum dross contained aluminum nitride and would cause odor while being disposed in landfill, making the aluminum dross disposal a tough issue.
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2010年11月1日 High-quality aluminum-silicon alloys and brown fused alumina (BFA) were produced successfully by recycling Al dross. Then, life cycle assessment (LCA) was
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2010年11月1日 , Chong CHEN a Add to Mendeley https://doi/10.1016/S1003-6326 (09)60435-0 Get rights and content Abstract In 2008, around 596 000 t of aluminum
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2018年10月1日 A variety of recycling strategies have been highlighted for aluminum dross waste. Abstract By finding appropriate recycling approaches, the volume of wastes,
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2018年3月1日 Introduction to aluminum dross The world production of metallic aluminum in 2016 was 58,890 thousand metric tons with a daily average of 160.9 tons ( International
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2023年7月12日 In this review, the source and characterization of AD are introduced, and the differences between primary aluminum dross (PAD) and secondary aluminum dross
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Aluminium Dross Recycling Equipment (A series): Can be extracted 85%-95% of its metal from the aluminum dross! Unique Design, Advanced Technology, Easy Operation,
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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 by-product of aluminium industry, aluminium dross is recycled by pyrometallurgy, hydrometallurgy, and hydrothermal processes, leading to aluminium
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2014年9月27日 Overall dross recovery can range from 60% to 70%, but the aluminum content of the dross shipped to the recycling facility can be low. Aluminum dross is defined as hazardous waste in Iceland. It is listed in the ECHA database3 as aluminum dross: EC/List number 273-708-2 and CAS number 69011-71-8. The hazard statement for
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2021年10月28日 During processing of aluminum scrap, about 10% of the metal gets burnt away and about 8% of the aluminum is lost due to mixing with flux, and dross is removed from the furnace investigated by. 27,28,29 These losses are very high if recycling is carried out in oil or gas fired direct contact with the charge when compared to an induction
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2022年9月26日 By finding appropriate recycling approaches, the volume of wastes, corresponding disposal cost, and the pollution of environment could be diminished. Also, such promising approaches can result in the conservation of natural sources and economic benefits. Aluminum (Al) dross as a hazardous solid waste in aluminum production
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2021年7月12日 In terms of production volume, aluminium is the leading metal in non-ferrous metallurgy. In particular, the recycling of aluminium-containing residues has strongly increased in recent years and will continue to gain importance in the future. Due to the high affinity of aluminium to oxygen, the oxidation of the molten bath is unavoidable, which
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2022年3月2日 Aluminum dross can be mechanically recycled to separate the residual Aluminium metal from the Aluminium oxide. Aluminum dross ranges from 1-2% of the Aluminium manufactured and comprises 30-70% Aluminium by weight. You will be amazed to know that 1 tonne of Aluminium metal production generates 10 to 20 kg of dross.
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2020年12月20日 Secondary aluminum dross is regarded as a hazardous solid waste in many countries. A coupled life cycle assessment and life cycle costing method was used to evaluate the environmental impact and economic cost of two processes for producing alumina from bauxite and secondary aluminum dross. The results showed that the total
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2018年2月2日 The conventional processes for dross treatment are using salt additions for separation of metallic aluminium and the non-metallic compounds as shown in Fig. 1.The dross is generated in the casthouses by the aluminum producers and remelters and sent to the Aluminum dross recycling plant where it is mixed with salt and fed into gas fired
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2023年9月20日 In light of globalization and escalating environmental concerns, society is increasingly confronted with the challenge of implementing the concept of a circular economy, which promotes the recycle of waste materials and offers a promising solution. Aluminum dross, a byproduct of the aluminum production process, poses environmental
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2010年11月1日 In 2008, around 596 000 t of aluminum dross was generated from secondary aluminum industry in China; however, it was not sufficiently recycled yet. Approximately 95% of the Al dross was land filled without innocent treatment. The purpose of this work is to investigate Al dross recycling by environmentally efficient and friendly
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2019年6月15日 Section snippets Experimental. Aluminium dross was collected from a secondary dross producer. The as received material had average particle size of 108.325 µm (D 50) and D 90 of about 622.936 µm. This material was milled to an average size of 24.218 µm (D 50) using a steel ball mill.D 90 was measured to be 142.311 µm. The
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2023年7月12日 Abstract. Aluminum dross (AD) has become a severe problem for the environment and public health due to the great prosperity of the aluminum industry because it contains Al, AlN, Al4C3, fluoride ...
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2023年9月11日 premixes for clinker production [12] (e) Usage of residues from aluminum dross recycling in cement – Smart-Waste [13] (f) Use as filler in concrete, cement and asphalt in order to improve ...
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2023年11月1日 Recycling of Al dross to AlN, Al, and SiO 2 products. Aluminum dross contains a certain amount of AlN, Al, SiO 2, and other substances. Heavy metal reductants, ladle slag modifiers, and other products have been developed using the reducibility of AlN and Al. SiO 2 is used as the raw material of construction materials.
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2022年5月17日 Despite the numerous advantages of using and recycling aluminum, inevitable by-products in the form of non-metallic residues (NMR) of aluminum white dross (AWD) can be environmentally harmful. The aim of this study was to find a solution regarding aluminum treatment via pyrometallurgical methods and, ultimately, to obtain
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2023年5月12日 Aluminum production in China is mainly electrolytic and recycled aluminum, but, during its production, a floating slag on the upper surface of the aluminum solution is produced. Aluminum dross is a kind of scum formed on the surface of molten aluminum, containing the compounds Al 2 O 3, AlN, MgN, KCl, MgO, Fe 3 O 4, Al 2 S 3,
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2020年8月18日 In the second paper, “Environmental Footprint Dross Formation in Aluminum Melts During the Charging of Beverage Can Scrap Bales with Different Densities Using Various Thermal Pretreatments,” Stiglich et al. present a thorough study showing that the char left from pyrolysis of metal coatings and the degree of surface oxidation both
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2018年7月1日 Recycling of aluminium dross to produce secondary metallic aluminium involves mixing of sodium and/or potassium chlorides to restrict the oxidation and remove impurities. The byproduct in the recycling of dross is aluminium salt cake/slag, which contains 15–30% aluminium oxide, 30–55% sodium chloride, 15–30% potassium
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2021年11月1日 Black aluminum dross (BAD) is a solid hazardous waste produced during the remelting of aluminum alloy scrap and contains a large amount of aluminum and other valuable elements. ... Aluminum is a metal with good recycling characteristics. After the end of its life cycle, aluminum is used as raw material to produce secondary aluminum and
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2021年2月18日 A new process of AlN removal from secondary aluminum dross (SAD) by pyrometallurgical treatment with added cryolite was applied for solving the problem of recycling the secondary aluminum dross. The response surface methodology (RSM) was used to design experiments and optimize parameters. The results show that adding the
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