Study of high intensity magnetic separation process in grooved plate matrix

Issue		Eur. Phys. J. Appl. Phys. Volume 24, Number 3, December 2003


Page(s)		201 - 207
Section		Nano and Micro Electronics,\ Microsystems and Devices
DOI		10.1051/epjap:2003077
Published online		20 October 2003

Eur. Phys. J. Appl. Phys. 24, 201-207 (2003)
DOI: 10.1051/epjap:2003077

Study of high intensity magnetic separation process in grooved plate matrix

N.M. Sido¹, A. Mailfert¹, G. Gillet² and A. Colteu¹

¹ GREEN-ENSEM-INPL Nancy, 2 avenue de la Forêt de Haye, 54516 Vandoeuvre-lès-Nancy Cedex, France
² LEM-ENSG-INPL Nancy, 2 avenue de la Forêt de Haye, 54501 Vandoeuvre-lès-Nancy, France

nsido@ensem.inpl-nancy.fr
gerard.gillet@ensg.inpl-nancy.fr

(Received: 26 March 2003 / Received in final form: 24 June 2003 / Accepted: 11 September 2003 Published online: 20 October 2003 )

Abstract
A grooved plate matrix theory of a new high intensity magnetic separator is proposed. The results of the grooved plate devices yet reported, were only experimental. In the present paper, a theoretical approach is developed, in spite of the difficulties caused by the particular shape of the collectors, complicating the calculation of forces involved in the separation process. The work presented here, proposes the modeling used to study filtration efficiency in grooved matrix, for two models of fluid flow, as well as the results which were obtained. The range of validity of these models of fluid flow, applied to establish the matrix efficiency is discussed. The progressive saturation of the extraction matrix is also investigated. Good correspondence between theoretical results and experimental data is found.

PACS
41.20.Gz - Magnetostatics; magnetic shielding, magnetic induction, boundary-value problems.
47.15.Hg - Potential flows.
85.70.Ay - Magnetic device characterization, design, and modeling.

© EDP Sciences 2003

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