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(PDF) Kaolinite removal from bauxite by flotation: - ResearchGate

2016.9.1  This paper presents a potential condition to separate kaolinite through flotation when it is present in bauxite ore. This research anticipates a Brazilian industry

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Experimental Investigation on Desiliconization of Low-Grade

Low-grade bauxite resources are abundant in China. However, the high content of silica can not meet the production requirments of alumina. Desiliconization experiments were

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Fine Bauxite Recovery Using a Plate-Packed Flotation Column

Dynamics (CFD) and Population Balance Model (PBM) techniques. Flotation experiments showed that packing-plates in the collection zone of a column can improve bauxite

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(PDF) Enhanced Bauxite Recovery Using a Flotation Column

2020.6.30  An innovative self-designed medium was packed in a bench-scale flotation column to study its influence on the flotation recovery of bauxite.

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Flotation of a low-grade bauxite ore using an organosilicon

Key words: Diaspore, Bauxite ore, Reverse flotation, Organosilicon cationic collector Minerals Metallurgical Processing, 2015, Vol. 32, No. 4, pp. 209-214. An official

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Synchronous Desulfurization and Desilication of Low-Grade

Bauxite is the major feedstock for alumina production. The upgrading of low-grade and high-sulfur bauxite before fur-ther processing involves a separation of diaspore from alu

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[PDF] THE FLOTATION OF A GIBBSITIC BAUXITE ORE FROM

The flotation response of gibbsitics bauxite ores with and without desliming is discussed with respect to flotation strategy, mineralogy, and liberation characteristics. Efforts are

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Redalyc.Concentration of bauxite fines via froth flotation

flotation (flotation of the quartz and depression of the bauxite), using starch as a depressant and amine as a promoter; the pH must be around 10.0. The iron and titanium

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(PDF) Bauxite Residue Flotation as an Alternative for Iron ...

2022.10.10  Bauxite residue (BR) is a byproduct of the alumina production by Bayer process. BR generated from gibbsitic bauxite usually presents iron as major element associated with hematite and goethite ...

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Objectives General Principles and Gener Processes of Isolation of

(a) Leaching of alumina from bauxite The principal ore of aluminium, bauxite, usually contains SiO2, iron oxides and titanium oxide (TiO2) as impurities. Concentration is carried out by digesting the powdered ore with a concentrated solution of NaOH at 473 – 523 K and 35 – 36 bar pressure. This

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Leaching Behaviors of Lithium-Rich Bauxite Flotation Tailings in

2024.2.5  Thermodynamic Analysis on Leaching Reactions of Lithium-Rich Bauxite Flotation Tailings with Sodium Bicarbonate Solution. According to the phase analysis results [], the occurrence form of lithium in lithium-rich bauxite flotation tailings is cookeite (Li 2 O5Al 2 O 3 6SiO 2 8H 2 O), the occurrence form of silica is kaolinite (Al 2 O 3

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The role of cationic polyacrylamide in the reverse flotation of ...

2007.11.1  Bauxite concentrate with an aluminum-to-silicon (A/S) mass ratio of 6.37 and a 77.63wt% recovery rate were achieved via a flow sheet consisting of “fast flotation using a flotation cell, one ...

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[PDF] Leaching Behaviors of Lithium-Rich Bauxite Flotation

DOI: 10.1007/s40831-024-00787-5 Corpus ID: 267514121; Leaching Behaviors of Lithium-Rich Bauxite Flotation Tailings in Sodium Bicarbonate Solution @article{Han2024LeachingBO, title={Leaching Behaviors of Lithium-Rich Bauxite Flotation Tailings in Sodium Bicarbonate Solution}, author={Dong-zhan Han and Leiting Shen and

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1 Froth Flotation – Fundamental Principles

no flotation can occur. Contact between particles and bubbles can be accomplished in a flotation cell such as the one shown schematically in Figure 5. Figure 5: Simplified schematic of a conventional flotation cell. The rotor draws slurry through the stator and expels it to the sides, creating a suction that draws air down the shaft of the stator.

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Characterization and flotation of low-grade boehmitic bauxite

2020.12.1  Request PDF Characterization and flotation of low-grade boehmitic bauxite ore from Seydişehir (Konya, Turkey) Bauxite is the main raw material in primary aluminum production and its reactive ...

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Synchronous Desulfurization and Desilication of Low-Grade and

The existence of sulfur and silica in bauxite influence the product quality of Bayer alumina. The synchronous desulfurization and desilication of low-grade and high-sulfur bauxite through reverse flotation processes were studied using modified starch as depressants in this work. The effects of depressant dosage, modified depressant dosage and collector

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Separation of silica from bauxite via froth flotation

DOI: 10.1016/J.MINENG.2008.09.001 Corpus ID: 97467177; Separation of silica from bauxite via froth flotation @article{Massola2009SeparationOS, title={Separation of silica from bauxite via froth flotation}, author={Camila Peres Massola and Arthur Pinto Chaves and J.R.F. de Lima and Christian Fonseca de Andrade}, journal={Minerals Engineering},

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Synchronous Desulfurization and Desilication of Low-Grade

and High-Sulfur Bauxite by a Flotation Process Wencui Chai, Guihong Han, Yanfang Huang, Yijun Cao, and Jiongtian Liu Abstract The existence of sulfur and silica in bauxite influence the product quality of Bayer alumina. The synchronous desulfurization and desilication of low-grade and high-sulfur bauxite through reverse flotation processes

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Synchronous Desulfurization and Desilication of Low-Grade and

Request PDF On Jan 1, 2019, Wencui Chai and others published Synchronous Desulfurization and Desilication of Low-Grade and High-Sulfur Bauxite by a Flotation Process Find, read and cite all ...

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(PDF) Fine Bauxite Recovery Using a Plate-Packed Flotation

2020.9.2  PDF In this investigation, the fine-grained bauxite ore flotation was conducted in a plate-packed flotation column. This paper evaluated the effects... Find, read and cite all the research you ...

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The Influence of Backwater Al3+ on Diaspore Bauxite Flotation

2017.10.15  The effect of Al3+ in backwater on the flotation of diaspore bauxite was investigated by micro-flotation tests and the underlying mechanisms were investigated by inductively coupled plasma (ICP ...

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Separation of silica from bauxite via froth flotation

2009.3.1  This paper reports an innovative development: concentrating gibbsite via reverse froth flotation in order to obtain a metallurgical-grade bauxite concentrate. Tailings from an industrial plant have undergone attrition scrubbing and desliming; the quartz silica contained in the tailings has undergone flotation.

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Advances in Beneficiation of Low-Grade Bauxite SpringerLink

2019.2.16  Aluminum industries use bauxite as the major raw material . Bauxite containing less than 50% Al 2 O 3 is called low-grade bauxite ore, which is generally used for the production of aluminum appliances such as abrasives, ceramics, and refractories . The presence of impurities, including silica, iron oxides, and calcium contribute to the

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(PDF) A novel collector for high-sulfur bauxite flotation

2022.7.25  Effective desulfurization of high-sulfur bauxite is one of the major problems in the alumina production industry. To overcome this, a novel nanoparticle collector (NC) to improve the ...

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Research progress on desulfurization technology of high-sulfur bauxite

2022.10.1  Their intercalation with diasporic bauxite is complex and the removal of sulfur impurities in high-sulfur bauxite is, therefore, a great challenge. 2.2 Hazards of sulfur in bauxite During the dissolution process of the Bayer process, sulfur exists in bauxite in the form of 2 3SO − , 2 4SO − , 2S − , 2 2 3S O − , etc, which will cause iron

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Treatment technique for wastewater from bauxite flotation and

2022.2.10  View PDF; Download full issue; ScienceDirect. Journal of Cleaner Production. Volume 335, 10 February 2022, 130321. Treatment technique for wastewater from bauxite flotation and an application for its reuse. Author links open overlay panel Tengfa Long a b c 1, Xi Liu a b 1, Chenbing Ai a b, Chenquan Wang a b c, Qiang Huo a

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Solution chemistry of flotation separation of diasporic bauxite ...

The technological schemes of direct or reverse flotation separation of aluminum silicate minerals from bauxite were suggested. The fundamentals involved the technologies were studied. The relationship of collectors, dispersant and pH can be determined by solution chemical calculation in the direct flotation of bauxite by anionic collectors.

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Enhanced separation of pyrite from high-sulfur bauxite using 2 ...

2018.12.1  Request PDF Enhanced separation of pyrite from high-sulfur bauxite using 2-mercaptobenzimidazole as chelate collector: Flotation optimization and interaction mechanisms The existence of ...

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(PDF) Studi Konsentrasi Pada Bauksit Asal Tayan

Download Free PDF. Studi Konsentrasi ... The optimum pH range of bauxite flotation using DDA as collectors can be achieved at pH 4 – 10. From the results, The increasing of collector dosage at pH 10 gives a

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(PDF) Significance of particle aggregation in the

2015.7.31  It appears that these kaolinite clusters have sufficient mass and hydrophobicity to account for the successful reverse flotation of kaolinite from bauxite ore at low pH. Schematic drawing of SEM ...

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The Influence of Backwater Al3+ on Diaspore Bauxite Flotation

Bauxite Flotation Chaojun Fang 1, Ziyong Chang 2, Qiming Feng 1, Wei Xiao 1 ID, Shichao Yu 1, Guanzhou Qiu 1 and Jun Wang 1,* 1 School of Minerals Processing Bioengineering, Central South ...

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(PDF) A study of bauxite tailing quality improvement by reverse flotation

2018.1.1  Therefore, this study is aimed to utilize reverse flotation method to recover alumina content from washed bauxite tailing. The reverse flotation experiments were carried out at pH of 6 and 8 ...

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Bauxite Beneficiation: An Approach to Value Addition in Mining

2021.7.2  Keeping the above characteristics in view, several west coast lateritic bauxite mines of India employ dry crushing−screening process to bring down silica content from the metallurgical grade bauxite [].Recently, a bauxite mine of Guinea known as AGB2A has also adopted the dry beneficiation procedure to cut down silica from about

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A novel collector for high-sulfur bauxite flotation desulfurization ...

2022.7.25  ABSTRACT. Effective desulfurization of high-sulfur bauxite is one of the major problems in the alumina production industry. To overcome this, a novel nanoparticle collector (NC) to improve the desulfurization performance during flotation process was synthesized via emulsion polymerization method, whereby lignin (natural polymer) was

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Flotation of low-grade bauxite using organosilicon cationic

2016.4.1  The flotation of diaspore and three kinds of silicate minerals, including kaolinite, illite and pyrophyllite, using an organosilicon cationic surfactant (TAS101) as collector and starch as ...

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[PDF] Flotation techniques for separation of diaspore from bauxite ...

DOI: 10.1016/S1003-6326(09)60168-0 Corpus ID: 54645279; Flotation techniques for separation of diaspore from bauxite using Gemini collector and starch depressant @article{Xia2010FlotationTF, title={Flotation techniques for separation of diaspore from bauxite using Gemini collector and starch depressant}, author={Liu-yin Xia and Hong

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(PDF) REMOVAL OF IRON-BEARING MINERALS FROM GIBBSITIC BAUXITE BY

PDF On Jan 1, 2016, Felipe de Melo Barbosa and others published REMOVAL OF IRON-BEARING MINERALS FROM GIBBSITIC BAUXITE BY DIRECT FROTH FLOTATION Find, read and cite all the research you need ...

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Flotation SpringerLink

2023.5.14  At the same time, the research on flotation theory has also developed rapidly. Early representative works include Flotation written by American chemist A.M. Gordon in 1932, Physical Chemistry of Flotation Process written by Soviet chemist P.A. Rehbinder in 1933, and Flotation Theory written by Australian chemist I.W. Walker in 1938.

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