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Effect of Ether Mono Amine Collector on the Cationic Flotation of Micaceous Minerals—A Comparative Study
Mineral Processing, Department of Mining and Metallurgical Engineering, Yazd University, Yazd 89195-741, Iran.ORCID iD: 0000-0002-3510-9036
Mineral Processing, Department of Mining and Metallurgical Engineering, Yazd University, Yazd 89195-741, Iran.
Department of Chemistry, Faculty of Science, Yazd University, Yazd 89195-741, Iran.ORCID iD: 0000-0003-2825-4099
Laboratory of Transport Phenomena and Chemistry of Interfaces, Department of Mining and Petroleum Engineering, University of São Paulo, São Paulo 05508-010, Brazil.ORCID iD: 0000-0001-8501-1857
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2021 (English)In: Sustainability, E-ISSN 2071-1050, Vol. 13, no 19, article id 11066Article in journal (Refereed) Published
Abstract [en]

Micaceous minerals, known as layer silicates, are counted mostly as the gangue minerals associated with valuable minerals, especially iron oxides. They mainly reject through the reverse flotation process using the cationic collectors, e.g., ether amines, to improve process sustainability. Although ether amines have been applied for floating the wide range of silicates, few investigations explored their adsorption behaviors on the micaceous minerals. In this study, flotation of phlogopite, biotite, and quartz (for comparison purposes) in the presence of Flotigam®EDA (EDA) (commercial ether monoamine collector), at pH 10 was investigated through the single mineral micro–flotation experiments. Adsorption behaviors were explored by the contact angle, residual surface tension measurements, and zeta potential analyses. Micro–flotation outcomes indicated that the quartz floatability was more than phlogopite and biotite. In the presence of 30 mg/dm3 EDA, their recoveries were 97.1, 46.3, and 63.8%, respectively. Increasing EDA concentration made a substantial increase in micaceous minerals’ floatability. Adsorption assessments confirmed that increasing the EDA concentration resulted in higher adsorption of EDA onto the surface of micaceous minerals than the quartz (all by physical adsorption). Such a behavior could be related to the nature of micaceous minerals, including their layer structure and low hardness.

Place, publisher, year, edition, pages
MDPI, 2021. Vol. 13, no 19, article id 11066
Keywords [en]
Flotigam®EDA, micaceous minerals, quartz, adsorption
National Category
Mineral and Mine Engineering
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-87648DOI: 10.3390/su131911066ISI: 000707862100001Scopus ID: 2-s2.0-85117195132OAI: oai:DiVA.org:ltu-87648DiVA, id: diva2:1605889
Note

Validerad;2021;Nivå 2;2021-10-26 (beamah);

Forskningsfinansiär: the Vale Institute of Technology

Available from: 2021-10-26 Created: 2021-10-26 Last updated: 2023-09-05Bibliographically approved

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Chelgani, Saeed Chehreh

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Tohry, ArashMohammadi-Manesh, HosseinLeal Filho, Laurindo de SallesChelgani, Saeed Chehreh
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