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Atomistic simulation studies of magnetite surface structures and adsorption behavior in the presence of molecular and dissociated water and formic acid
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
School of Chemistry, University of Bath.
2006 (English)In: Journal of Colloid and Interface Science, ISSN 0021-9797, E-ISSN 1095-7103, Vol. 295, no 2, p. 364-373Article in journal (Refereed) Published
Abstract [en]

Static energy minimization techniques have been used to elucidate the surface structures of magnetite crystals in pure and hydroxylated forms. Adsorption energy values in the presence of molecular water, dissociate water and simple carboxylic group molecule (formic acid) are calculated and we found that the carboxylic group do not adsorb strongly in most of the pure and hydroxylated surfaces in comparison to water. Since the associated calcium minerals are floated from magnetite using fatty acid collector, our calculations corroborate the flotation practice of removing these impurity minerals from magnetite.

Place, publisher, year, edition, pages
2006. Vol. 295, no 2, p. 364-373
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-3808DOI: 10.1016/j.jcis.2005.09.022ISI: 000235744600007Scopus ID: 2-s2.0-32544459753Local ID: 1a5799a0-b120-11db-bf9d-000ea68e967bOAI: oai:DiVA.org:ltu-3808DiVA, id: diva2:976669
Note
Validerad; 2006; 20070131 (pafi)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Kundu, TarunRao, K. Hanumantha

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