Migration of Alkaline Constituents and Restoration Evaluation in Bauxite Residue Disposal Areas
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DOI: 10.1007/s00128-021-03434-x
Abstract: Bauxite residue is a highly alkaline waste from alumina refining, and is mainly disposed by stacking with high environmental risks. Here, the migration of alkaline constituents and the restoration evaluation with phosphogypsum were discussed by… read more here.
Keywords: alkaline constituents; bauxite residue; constituents restoration; restoration evaluation ... See more keywords
Natural Vegetation Encroachment Improves Nutritional Conditions of Bauxite Residue Disposal Area
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DOI: 10.1007/s00128-022-03479-6
Abstract: The deficiencies of certain nutrients limit plant growth in bauxite residue disposal areas. In this study, residue samples at different depths (0–2 cm, 2–10 cm, 10–20 cm, 20–40 cm, and 40–60 cm) and stacking ages… read more here.
Keywords: vegetation encroachment; natural vegetation; bauxite residue; vegetation ... See more keywords
An Investigation into the Growth of Lolium perenne L. and Soil Properties Following Soil Amendment with Phosphorus-Saturated Bauxite Residue
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DOI: 10.1007/s00128-022-03514-6
Abstract: Reuse options for bauxite residue include treatment of phosphorus (P)-enriched wastewaters where the P-saturated media offers fertiliser potential. However, few studies have assessed the impact on soil properties. Two types of spent P-saturated bauxite residue… read more here.
Keywords: saturated bauxite; phosphorus; soil; soil properties ... See more keywords
Soil properties and earthworm populations associated with bauxite residue rehabilitation strategies
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DOI: 10.1007/s11356-018-3973-z
Abstract: It is recognised that the establishment and function of soil biota is critical for successful mine residue rehabilitation. Bauxite residues are alkaline, saline and sodic and, whilst methods for establishing vegetation are well studied, little… read more here.
Keywords: soil; earthworm populations; bauxite residue; residue rehabilitation ... See more keywords
From tailings to soil: long-term effects of amendments on progress and trajectory of soil formation and in situ remediation in bauxite residue
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DOI: 10.1007/s11368-017-1867-1
Abstract: PurposeBauxite residue is an alkaline, saline-sodic byproduct of the Bayer process for alumina production. In situ remediation of bauxite residue is a cost-effective management strategy that transforms the residue into a soil-like medium; however, the… read more here.
Keywords: soil; bauxite residue; term; soil formation ... See more keywords
Analysis of Remediating Effects of Peat, Sawdust, and Gypsum in Alkaline Bauxite Residue Based on Orthogonal Experiments
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DOI: 10.1007/s11837-019-03593-7
Abstract: An optimization study has been carried out on remediation of alkaline bauxite residue (ABR) using peat, sawdust, and gypsum. The results for the tolerance index (TI) and analysis of variance revealed that the order of… read more here.
Keywords: gypsum; sawdust gypsum; alkaline bauxite; bauxite residue ... See more keywords
Aluminum: Recycling and Environmental Footprint
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DOI: 10.1007/s11837-019-03656-9
Abstract: Since 2000, global primary aluminum production has increased by 250% to an annual output of almost 65 million metric tonnes in 2018, much of this due to growth in China. Global demand continues to be… read more here.
Keywords: recycling environmental; environmental footprint; process; aluminum ... See more keywords
On the Mechanism of Sodic Removal from Bauxite Residue and Bauxite Desilication Products (BDP) Using Acetic Acid
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DOI: 10.1007/s11837-019-03884-z
Abstract: Bauxite desilication products (BDPs) are fundamental causes of persistent alkalinity and salinity in bauxite residue. Previous studies have shown that significant amounts of acetic acid and Na + were detected in the pore water of… read more here.
Keywords: mechanism; bauxite residue; spectroscopy; acetic acid ... 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
Properties and Assessment of Applications of Red Mud (Bauxite Residue): Current Status and Research Needs
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DOI: 10.1007/s12649-020-01089-z
Abstract: In order to conserve natural resources and prevent waste generation, effective utilization of industrial wastes and/or by-products for beneficial engineering applications becomes inevitable. In order to accomplish this, extensive research studies, exploring properties and new… read more here.
Keywords: engineering; red mud; research; properties assessment ... See more keywords