Articles with "red mud" as a keyword



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Applications of Red Mud as a Masonry Material: A Review

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Published in 2022 at "Bulletin of Environmental Contamination and Toxicology"

DOI: 10.1007/s00128-021-03437-8

Abstract: Red mud (RM) is a highly alkaline by-product produced by the aluminium industry. The total stockpile of RM in the world is evaluated to be close 4 billion tons, which caused serious soil and water… read more here.

Keywords: masonry material; red mud; applications red; masonry ... See more keywords
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Phase Transformation Behavior of the Aluminosilicate Phase During High-Pressure Hydrothermal Reduction of High-Iron Red Mud

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Published in 2022 at "Bulletin of Environmental Contamination and Toxicology"

DOI: 10.1007/s00128-022-03492-9

Abstract: One-step separation and recovery of sodium, aluminum and iron in high-iron red mud in a high-calcium alkaline hydrothermal system is realized by a high-pressure hydrothermal reduction process. The transformation behavior of the aluminasilica phase in… read more here.

Keywords: high pressure; red mud; high iron; phase ... See more keywords
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Immobilizatiaon of heavy metals in municipal solid waste incineration fly ash with red mud-coal gangue

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Published in 2020 at "Journal of Material Cycles and Waste Management"

DOI: 10.1007/s10163-020-01082-7

Abstract: In this research, Bayer red mud (RM) and coal gangue (CG) bend with a ratio of 8:2 was prepared as a geopolymer precursor (RG) through mechanochemistry-alkali activation. It was used for municipal solid waste incineration… read more here.

Keywords: red mud; coal gangue; municipal solid; heavy metals ... See more keywords
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The Penetration Processes of Red Mud Filtrate in a Porous Medium by Seepage

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Published in 2017 at "Transport in Porous Media"

DOI: 10.1007/s11242-017-0829-9

Abstract: This study investigated the effect of flow velocity, the concentration of red mud particles, and the concentration of $$\hbox {OH}^{-}$$OH- ions on the penetration processes of red mud filtrate with fine particles in a porous… read more here.

Keywords: alkalinity; red mud; porous medium; mud particles ... See more keywords
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Enhanced adsorption of uranium by modified red muds: adsorption behavior study

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Published in 2018 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-018-2027-x

Abstract: Uranium is a hazardous and radioactive element. Effective removal of uranium from wastewater stream requires advanced functional materials and reliable technologies. Red mud is a type of low-cost adsorbent which is widely used in the… read more here.

Keywords: adsorption; red mud; red muds; uranium ... See more keywords
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A review on the potential uses of red mud as amendment for pollution control in environmental media

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Published in 2019 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-019-05576-2

Abstract: Red mud is a solid waste of bauxite processing by Bayer process which involves caustic digestion of Al-containing mineral for alumina production. The global inventory of red mud waste reached an estimated amount of 4… read more here.

Keywords: red mud; review potential; pollution; environmental media ... See more keywords
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Enhanced Fenton removal of phenol catalyzed by a modified red mud derived from the reduction of oxalic acid and l-ascorbic acid

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Published in 2022 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-022-20279-x

Abstract: Red mud, a bauxite residue generated during alumina production through the Bayer process, contains oxides of Fe, Ti, Al, Mn, and rare earths, and has a latent performance for catalytic removal of phenol. We proposed… read more here.

Keywords: ascorbic acid; removal; oxalic acid; acid ... See more keywords
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Preparation and Characterization of Plasma Electrolytic Oxidation Coating on 5005 Aluminum Alloy with Red Mud as an Electrolyte Additive

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Published in 2017 at "Metallurgical and Materials Transactions B"

DOI: 10.1007/s11663-017-1013-x

Abstract: A coating with red mud as an electrolyte additive was applied to 5005 aluminum alloy using plasma electrolytic oxidation (PEO). The phase composition of the coating was investigated using X-ray diffraction. Scanning electron microscopy–energy dispersive… read more here.

Keywords: red mud; aluminum alloy; 5005 aluminum; coating ... See more keywords
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Use of Industrial Waste (Al-Dross, Red Mud, Mill Scale) as Fluxing Agents in the Sulfurization of Fe-Ni-Cu-Co Alloy by Carbothermic Reduction of Calcium Sulfate

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Published in 2018 at "Metallurgical and Materials Transactions B"

DOI: 10.1007/s11663-018-1217-8

Abstract: The use of industrial waste [mill scale (MS), red mud (RM), Al-dross (AD)] as fluxing agents in the sulfurization of Fe-Ni-Cu-Co alloy to matte (Fe-Ni-Cu-Co-S) by carbothermic reduction of CaSO4 was investigated at 1673 K (1400 °C).… read more here.

Keywords: red mud; use industrial; mill scale; industrial waste ... See more keywords
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Selective Dealkalization of Red Mud Using Calcium Oxide with Pressure Leaching

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Published in 2018 at "JOM"

DOI: 10.1007/s11837-018-3160-1

Abstract: Selective leaching of Na from red mud by using CaO with pressure leaching was investigated. The main factors studied were temperature, pressure, CaO dose, and leaching time. An L9(34) orthogonal test was carried out to… read more here.

Keywords: red mud; calcium oxide; pressure leaching; mud using ... See more keywords
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Selective Removal of Iron from Acid Leachate of Red Mud by Aliquat 336

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Published in 2019 at "JOM"

DOI: 10.1007/s11837-019-03801-4

Abstract: Extraction of valuable rare-earth elements (REEs) from red mud is important for both resource recovery and waste treatment of red mud. However, the Fe present in red mud makes the extraction of REEs unsatisfactory, because… read more here.

Keywords: red mud; removal; leachate red; aliquat 336 ... See more keywords