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Título

High Power Ultrasound to Recover Fine Particles in Flotation Process

Autor Vargas Hernández, Yolanda; Gaete Garretón, Luis; Magne-Ortega, L.
Palabras clave High-power ultrasound
Flotation of minerals
High intensity
Conditioning
Copper particles
Fecha de publicación sep-2002
EditorSociedad Española de Acústica
Citación Forum Acusticum Sevilla 2002. Ultrasonics ; ULT-02-001-IP
ResumenThe flotation process to recover useful substances from minerals has been used for dozens of years. For the flotation, air bubbles in a water solution of finely ground mineral particles must be introduced. The particles were prepared with chemical substances (surfactants) to be caught by the bubbles.
Some attempts were made to improve the whole process, the best results reported were obtained for a technique called the "high energy" flotation experiments, [1] [2][3]. It seems that the recovering of the useful substances can be improved if some energy can be injected to the reactor with the metallurgic pulp. This suggests that an ultrasonic field can also improve the recovering in flotation. In this paper an application of acoustic cavitation to the flotation process is explored.
Descripción 9 pages, 6 figures.-- Communication presented at: Forum Acusticum Sevilla 2002 (Sevilla, Spain, 16-20 Sep 2002), comprising: 3rd European Congress on Acoustics; XXXIII Spanish Congress on Acoustics (TecniAcústica 2002); European and Japanese Symposium on Acoustics; 3rd Iberian Congress on Acoustics.-- Special issue of the journal Revista de Acústica, Vol. XXXIII, year 2002.
URI http://hdl.handle.net/10261/7974
ISBN 84-87985-07-6
Aparece en las colecciones: (IA) Comunicaciones congresos
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