Results 1 to 10 of about 12,442 (219)

Modes of occurrences of scandium in Greek bauxite and bauxite residue

open access: yesMinerals Engineering, 2018
Abstract Bauxite and bauxite residue, a by-product of alumina production, were studied using a combination of microanalytical techniques — electron microprobe wavelength dispersive spectrometry, laser ablation inductively coupled plasma mass spectrometry and μ-Raman spectroscopy.
Dimitrios Panias   +2 more
exaly   +2 more sources

Short review on mechanical activation in non-metallurgical alumina production

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2022
Bauxite is the primary source for both metallurgical and non-metallurgical grades of alumina. Metallurgical alumina serves for aluminum production and non-metallurgical alumina, is used in a wide range of industrial applications, which makes it the ...
Lidia Kim   +6 more
doaj   +1 more source

Mineralogy Characteristics of Sedimentary Bauxite in Western Guangxi

open access: yesYankuang ceshi, 2023
BACKGROUNDChina is the world’s largest aluminum producer and consumer. With the development of China’s aluminum industry, bauxite resources are consumed continuously and highly dependent on imports.
Lianjun WEI   +3 more
doaj   +1 more source

Treatment of bauxite residues: Acidic leaching: First part

open access: yesVojnotehnički Glasnik, 2023
Introduction/purpose: Bauxite residue as a waste product from the aluminium industry produced through the Bayer process is mainly composed of iron oxide, titanium oxide, silicon oxide and undissolved alumina together with a wide range of other oxides and
Srećko R. Stopić   +4 more
doaj   +1 more source

Mineralogy, geochemistry and parent rock of Décio bauxite-bearing lateritic profile (Rondon do Pará, Eastern Amazon) [PDF]

open access: yesBrazilian Journal of Geology, 2022
Cenozoic world-class bauxite deposits developed on sedimentary sequences of the Parnaíba and Amazon Basins. The Décio pilot mine, excavated in the Rondon do Pará bauxite deposit, exposes a 3 m thick bauxite-bearing lateritic profile on the top of a 350 m
Pabllo Henrique Costa dos Santos   +1 more
doaj   +1 more source

Machine Learning Sorting Method of Bauxite Based on SE-Enhanced Network

open access: yesApplied Sciences, 2022
A fast and accurate bauxite recognition method combining an attention module and a clustering algorithm is proposed in this paper. By introducing the K-means clustering algorithm into the YOLOv4 network and embedding the SE attention module, we calculate
Pengfei Zhao   +4 more
doaj   +1 more source

Increasing Resource Efficiency of Bauxites Using LIBS

open access: yesMaterials Proceedings, 2021
The EU aluminium production from, e.g., bauxite is one of the backbones to support Europe’s green and digital transition. In support of sustainable bauxite exploration and mining, Laser Induced Breakdown Spectroscopy (LIBS) was used on the major facies ...
Jeannet A. Meima   +4 more
doaj   +1 more source

Indirect Restorations - A Review [PDF]

open access: yesAl Ameen Journal of Medical Sciences, 2020
The choice of restorative material in extensive loss of tooth structure because of caries or fracture depends upon the amount of remaining tooth structure that can be utilized for gaining resistance and retention form. The direct restorations are usually
Deepa Astekar   +4 more
doaj  

Eco-efficient treatment of hazardous bauxite liquid-residue using acid-activated clays

open access: yesCleaner Chemical Engineering, 2022
The alumina industry requires a material capable of reducing the high levels of iron and alkalinity in bauxite liquid-residue in an eco-efficient manner while producing fewer by-products.
Daniel Dodoo   +5 more
doaj   +1 more source

Fixed-bed column study for the remediation of the bauxite-liquid residue using acid-activated clays and natural clays

open access: yesHeliyon, 2023
Large amounts of bauxite-liquid residue are generated during the production of aluminium, which has detrimental effects on human and environmental health.
Daniel Dodoo   +3 more
doaj   +1 more source

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