Genesis of the Permian karstic Pingguo bauxite deposit, western Guangxi, China
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DOI: 10.1007/s00126-017-0723-y
Abstract: More than 0.5 billion tons of late Permian bauxite overlies the karstic topography of the Maokou Formation of western Guangxi in China. Here, we provide new mineralogical, geochemical, Sr–Nd–Pb isotopic, and pyrite S isotope and… read more here.
Keywords: genesis permian; pingguo bauxite; bauxite deposit; bauxite ... See more keywords
Dealkalization of Bauxite Residue Through Acid Neutralization and Its Revegetation Potential
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DOI: 10.1007/s11837-019-03911-z
Abstract: Bauxite residue is a highly alkaline industrial solid waste generated through the alumina production process. Its high alkalinity causes serious environmental pollution. In this article, a fast, high-efficiency, low-cost dealkalization process was developed. Bauxite residue… read more here.
Keywords: revegetation potential; dealkalization bauxite; bauxite residue; bauxite ... See more keywords
Recovery of Scandium from Bauxite Residue by Selective Sulfation Roasting with Concentrated Sulfuric Acid and Leaching
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DOI: 10.1007/s11837-019-03931-9
Abstract: The recovery of scandium from bauxite residue was studied by selective sulfation roasting and water leaching. The sulfation roasting process of bauxite residue with concentrated sulfuric acid was investigated by XRD, SEM and TG-DSC techniques.… read more here.
Keywords: sulfuric acid; bauxite; bauxite residue; sulfation roasting ... See more keywords
Mineralogy, geochemistry, and ore formation of Nuwaifa bauxite deposit, western desert of Iraq
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DOI: 10.1007/s12517-016-2817-8
Abstract: Nuwaifa Formation is a part of sequence stratigraphy that belongs to the Jurassic system exposed in the western desert of Iraq. The Jurassic system consists of Ubaid, Hussainiyat, Amij, Muhaiwir, and Najmah formations. Each formation… read more here.
Keywords: mineralogy; deposit; bauxite; formation ... See more keywords
Grade Distribution and Orebody Demarcation of Bauxite Seam Based on Coupled Interpolation
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DOI: 10.1007/s13369-017-2537-8
Abstract: A three-dimensional coupled interpolation method with three steps was proposed to establish a smooth and precise grade distribution model of bauxite seam. Compared with and supported by the field grade data measured by some exploratory… read more here.
Keywords: grade; bauxite; bauxite seam; hbox ... See more keywords
Lightweight design of bauxite-SiC composite refractories as the lining of rotary cement kiln using alternative fuels
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DOI: 10.1016/j.ceramint.2017.05.148
Abstract: Abstract To meet the demand of energy-saving and adapt to the change from coal to the alternative fuel in the rotary cement kiln, bauxite-SiC refractories were fabricated by the incorporation of silica sol coated lightweight… read more here.
Keywords: bauxite sic; bauxite; cement kiln; rotary cement ... See more keywords
Evolution on phase composition and properties of alumina-based ceramics fabricated from high-titania special-grade natural bauxite micropowder
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DOI: 10.1016/j.ceramint.2021.05.177
Abstract: Abstract In this study, Al2O3-based ceramics were fabricated with natural bauxite powder as the raw material. The phase compositions evolution behavior during the heat treatment and its influence on the properties of fabricated ceramics were… read more here.
Keywords: bauxite; high titania; phase; ceramics fabricated ... See more keywords
Humic-mineral interactions modulated by pH conditions in bauxite residues – Implications in stable aggregate formation
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DOI: 10.1016/j.geoderma.2020.114856
Abstract: Abstract Bauxite residue exhibiting high sodicity, nutrient deficiency, and poor structure, has a very slow effect on natural vegetation. However, it presents some eco-friendly indicators through substrate improvement, which is the basis for bauxite residue… read more here.
Keywords: bauxite; nitrohumic acid; humic mineral; formation ... See more keywords
WITHDRAWN: Weathering behaviour of bauxite residue with pH: experimental and geochemical modelling
Sign Up to like & getrecommendations! Published in 2019 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2019.103509
Abstract: Abstract This study attempted to predict the weathering behaviour of bauxite residue, which is of primary concern to understanding the environmental risks of leachates from the ever-growing quantity of reserves. Leaching experiments for bauxite residue… read more here.
Keywords: behaviour bauxite; weathering behaviour; dominant species; bauxite ... See more keywords
Alkalinity neutralization and structure upgrade of bauxite residue waste via synergistic pyrolysis with biomass.
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DOI: 10.1016/j.jes.2020.03.012
Abstract: Bauxite residues, a large volume solid waste, are in urgent need of effective disposal and management. Especially, strategies to alleviate the high alkalinity of bauxite residue remain a big challenge. Here, we developed a synergistic… read more here.
Keywords: alkalinity; synergistic pyrolysis; biomass; bauxite ... See more keywords
Contrasted microbial community colonization of a bauxite residue deposit marked by a complex geochemical context.
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DOI: 10.1016/j.jhazmat.2021.127470
Abstract: Bauxite residue is the alkaline byproduct generated during alumina extraction and is commonly landfilled in open-air deposits. The growth in global alumina production have raised environmental concerns about these deposits since no large-scale reuses exist… read more here.
Keywords: microbial community; community; bauxite; community colonization ... See more keywords