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Motion of fine particles in liquid caused by interfacial tension gradient in relation to metals separation technologies
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
2005 (English)In: Scandinavian journal of metallurgy, ISSN 0371-0459, E-ISSN 1600-0692, Vol. 34, no 2, 137-142 p.Article in journal (Refereed) Published
Abstract [en]

Some ideas for promoting the metal separation process are proposed based on the consideration of the force caused by interfacial tension gradient as a driving force. The force drives the particle toward the direction of the lower interfacial tension side, which has been confirmed by water model experiments. Therefore, it is possible to move fine metal particles by producing interfacial tension gradient between fine metal particles and molten slag. The force in molten slag-metal (iron) system was evaluated under some assumptions. The evaluation indicates that the force is enough large to engulf the fine metal particle by the interface between metal particle and slag for promoting metal separation process.

Place, publisher, year, edition, pages
2005. Vol. 34, no 2, 137-142 p.
Keyword [en]
interfacial tension, Marangoni effect, metals separation, motion of fine particles, solidifying interface, behavior, bubbles, front, iron
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-14673DOI: 10.1111/j.1600-0692.2005.00729.xISI: 000228310600010Scopus ID: 2-s2.0-17644421103OAI: oai:DiVA.org:kth-14673DiVA: diva2:332714
Note
QC 20100525 QC 20111012. nternational Conference on Metal Separation Technologies. Copper Mt, CO. JUN 20-24, 2004Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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