treatment aluminum dross

treatment aluminum dross

  • Hazardous aluminum dross characterization and recycling

    Aluminum dross as a hazardous solid waste in … 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.

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  • Dross Treatment | WestonNewLook

    Dross Treatment. Weston Aluminium specialises in providing recycling solutions to the primary and secondary aluminium sector. Weston Aluminium does not use salt or any fluxes when processing aluminium dross and scrap. This has resulted in a 50% reduction in the generation of waste to landfill and a significant reduction in energy consumption.

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  • Aluminum Dross Processing :: Total Materia Article

    Dross is a by-product of all aluminum melting processes. Depending on scrap type, alloy treatment and melting equipment, the amount, metal content and properties of dross vary in a wide range. Dross is a mixture of aluminum, aluminum-oxide and oxides of alloying elements, additionally halogenide, carbide or nitride compounds of these metals are

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  • VARIOUS METHODS OF ALUMINUM MELTING DUST DROSS FRACTION

    Dross treatment and the following treatment of their dust non-melting fractions are also important for such waste type producers as well as for product consumers produced from this waste. Keywords: Dross, non-melting fractions, Confal Inc., environment, saving process Introduction Companies for aluminum dross treatment are in Europe concentrated

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  • CA1060216A

    Treatment of aluminous dross US5135565A (en) 1992-08-04: Recovery of aluminum from dross using the plasma torch CH691685A5 (it) 2001-09-14

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  • CA1060216A

    Treatment of aluminous dross US5135565A (en) 1992-08-04: Recovery of aluminum from dross using the plasma torch CH691685A5 (it) 2001-09-14

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  • Hazardous aluminum dross characterization and recycling

    Aluminum dross as a hazardous solid waste in … 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.

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  • Salt Free Treatment of Aluminium Dross | Scientific.Net

    The dross created during primary and secondary aluminium production can amount up to 1% of the total tonnage and may contain up to 90% aluminium metal. The conventional procedure for dross treatment is to use salt for separating the metallic aluminium and the non-metallic compounds. The resulting salt cake has to be processed further.

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  • A salt-free treatment of aluminum dross using plasma heating

    The plasma dross treatment process is similar in operation and equipment to the conventional RSF process, but its elimination of salt fluxes solves the problem of corrosive gas evolution, and also results in salt-free by-products (NMP), which are recyclable and are a marketable raw material for other industries. Labor and equipment demands are about the same for both processes, but the new

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  • Aluminum smelting dross: problems and solutions – aluminium

    Aluminum smelting dross: problems and solutions. Dross is a surface layer on a metal melt, which has a high oxide content. Slag is formed on the surface of melts as a result of interaction with air gases, primarily, with oxygen. Slag is a physical mixture of oxides and other solid compounds, as well as molten metal, which is inside them.

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  • Aluminium dross treatment apparatus

    Description: This invention relates to aluminium dross treatment apparatus and equipment. Producers of aluminium sheets require a large number of aluminium slabs as stock for use in rolling mills and the like. Such slabs are cast from aluminium which has been melted in a furnace.

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  • CA1060216A

    Treatment of aluminous dross US5135565A (en) 1992-08-04: Recovery of aluminum from dross using the plasma torch CH691685A5 (it) 2001-09-14

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  • Free aluminum recovery from aluminum dross and aluminum scrap

    [Structure] Free aluminum and aluminum compounds from aluminum dross and aluminum scrap are heated by a plasma arc torch, and after a considerable amount of aluminum is separated, it is recovered in a furnace in which oxygen is injected. Aluminum nitride reacts with unrecoverable aluminum in the dross to provide processing energy.

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  • Here's what No One tells you about Comprehensive

    3.The impact of aluminum dross on the environment. The level of aluminum dross treatment and resource utilization is relatively backward, and most companies adopt direct landfill or stacking methods. This extensive treatment method will cause the following three hazards to the environment.

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  • CA1060216A

    Treatment of aluminous dross US5135565A (en) 1992-08-04: Recovery of aluminum from dross using the plasma torch CH691685A5 (it) 2001-09-14

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  • Method for treatment of aluminum dross oxides

    What is claimed is: 1. In a method for the treatment of dross aluminum oxides containing from 0.5 to 25 weight percent aluminum metal particles by digestion in water suspension at a solids content from 30 to 80 weight percent, at elevated temperatures from about 175 degrees to 220 degrees F., and under agitation in the presence of a particulate grinding media, the improvement which comprises

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  • Aluminum Dross Recycling Briquette Machine And Process

    What is aluminum dross briquette. Use briquette machine to make briquette is a kind of way in aluminum dross circulation. This method is with low investment and quick effect. It is a reasonable utilization of the drossing treatment of aluminum ash. Why make aluminum dross briquette. The converter molten steel should be refined.

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  • Aluminum smelting dross: problems and solutions – aluminium

    Aluminum smelting dross: problems and solutions. Dross is a surface layer on a metal melt, which has a high oxide content. Slag is formed on the surface of melts as a result of interaction with air gases, primarily, with oxygen. Slag is a physical mixture of oxides and other solid compounds, as well as molten metal, which is inside them.

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  • CA1060216A

    Treatment of aluminous dross US5135565A (en) 1992-08-04: Recovery of aluminum from dross using the plasma torch CH691685A5 (it) 2001-09-14

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  • Free aluminum recovery from aluminum dross and aluminum scrap

    [Structure] Free aluminum and aluminum compounds from aluminum dross and aluminum scrap are heated by a plasma arc torch, and after a considerable amount of aluminum is separated, it is recovered in a furnace in which oxygen is injected. Aluminum nitride reacts with unrecoverable aluminum in the dross to provide processing energy.

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  • Salt slag recycling / salt cake recycling & treatment

    The molten metallic aluminium is tapped from the furnace and where it meets the salt layer this contains some residual aluminium metal, plus various metal oxides (mainly aluminium oxide) and the salts. This mixture solidifies and cools to become salt slag; sometimes known as salt cake or black dross.

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  • Aluminum Recovery from White Aluminum Dross by a Mechanically

    The aluminum recovery from white aluminum dross by a mechanical treatment and sizing followed by remelting process was investigated. The dross was subjected to a ball mill, and the obtained particles were sized in different ranges. They were studied by advanced materials characterization techniques. It was found that the larger particles contain high metallic portions, and most non-metallic

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  • Method for treatment of aluminum dross oxides

    What is claimed is: 1. In a method for the treatment of dross aluminum oxides containing from 0.5 to 25 weight percent aluminum metal particles by digestion in water suspension at a solids content from 30 to 80 weight percent, at elevated temperatures from about 175 degrees to 220 degrees F., and under agitation in the presence of a particulate grinding media, the improvement which comprises

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  • Aluminum dross treatment

    Aluminum dross treatment. Cite. Download. Patent: JP-2016526607-A: Date: Priority . 2013/06/26. This web page summarizes information in PubChem about patent JP

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  • Hazardous aluminum dross characterization and recycling

    Aluminum dross as a hazardous solid waste in … 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.

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  • [PDF] Comparison of salt-free aluminum dross treatment

    The aluminum recovery from white aluminum dross by a mechanical treatment and sizing followed by remelting process was investigated. The dross was subjected to a ball mill, and the obtained particles … Expand

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  • CA1060216A

    Treatment of aluminous dross US5135565A (en) 1992-08-04: Recovery of aluminum from dross using the plasma torch CH691685A5 (it) 2001-09-14

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  • Aluminum dross has been classified as hazardous waste

    Basically, three methods of aluminium dross treatment are used: Pyrometallurgical, which is a conventional method of treating aluminium dross, liberating metallic aluminum in the liquid state. Hydrometallurgical, which involves an extraction of metallic aluminum from aluminium dross by converting it into aluminum salts and compounds.

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  • Aluminum Dross Furnace Salt Slags Processing

    Composition of the aluminum-rich fraction is shown in table 4. As with the small-scale tests , this material contained sufficient aluminum to be recycled to the dross treatment furnace for aluminum recovery. Composition of the aluminum oxide product is shown in table 5.

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  • Aluminum dross hot and cold treatment recovery methods

    Aluminum dross hot and cold treatment recovery methods. Aluminum dross is a valuable by product generated in the aluminum smelting process of any aluminium smelter or aluminium foundry. Aluminum dross is not a waste but a valuable by product of the smelter. The amount of aluminum dross generated in the melting is big quantity each year for some

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