Effect of flow path structure on solid/liquid separation under electric field

Electroosmosis is especially effective in removing liquid from a highly compressible difficult-to-filter solid/liquid mixture. The extent of solid/liquid separation depends on the electroosmotic pressure gradient (Epg) which is a combination of applied electric field, the surface charge density of s...

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Main Authors:	Tanaka, Takanori, Kato, Hiroki, Fujihara, Kenji, Jami, Mohammed Saedi, Iwata, Masashi
Format:	Article
Language:	English
Published:	Elsevier Inc. 2015
Subjects:	TP155 Chemical engineering
Online Access:	http://irep.iium.edu.my/44460/ http://irep.iium.edu.my/44460/ http://irep.iium.edu.my/44460/ http://irep.iium.edu.my/44460/4/44060_Effect_of_flow_path_structure.pdf

id	iium-44460
recordtype	eprints
spelling	iium-444602016-05-12T01:15:19Z http://irep.iium.edu.my/44460/ Effect of flow path structure on solid/liquid separation under electric field Tanaka, Takanori Kato, Hiroki Fujihara, Kenji Jami, Mohammed Saedi Iwata, Masashi TP155 Chemical engineering Electroosmosis is especially effective in removing liquid from a highly compressible difficult-to-filter solid/liquid mixture. The extent of solid/liquid separation depends on the electroosmotic pressure gradient (Epg) which is a combination of applied electric field, the surface charge density of solid particles and the flow path structure in the mixture. The larger the Epg value, the higher the solid content of the treated mixture. A theoretical equation of Epg for a capillary flow is derived from the Navier–Stokes equation, and its extensions to a flow through porous materials are examined by using experimental Epg values from constant-current electroosmotic dewatering (EOD), electroosmotic permeation (EOP) and electro-forced sedimentation (EFS) tests. It has been clarified that the specific hydrodynamic resistance α has the most effect on the Epg value. The larger the α value of the material, the larger its Epg value. Modifications to the existing theories were suggested to understand the effect of solid/liquid mixture concentration on the separation under electric field more precisely. Elsevier Inc. 2015-12-17 Article PeerReviewed application/pdf en http://irep.iium.edu.my/44460/4/44060_Effect_of_flow_path_structure.pdf Tanaka, Takanori and Kato, Hiroki and Fujihara, Kenji and Jami, Mohammed Saedi and Iwata, Masashi (2015) Effect of flow path structure on solid/liquid separation under electric field. Separation and Purification Technology, 156 (pt.1). pp. 84-91. ISSN 1383-5866 http://www.sciencedirect.com/science/article/pii/S1383586615300605 http://dx.doi.org/10.1016/j.seppur.2015.06.035
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	TP155 Chemical engineering
spellingShingle	TP155 Chemical engineering Tanaka, Takanori Kato, Hiroki Fujihara, Kenji Jami, Mohammed Saedi Iwata, Masashi Effect of flow path structure on solid/liquid separation under electric field
description	Electroosmosis is especially effective in removing liquid from a highly compressible difficult-to-filter solid/liquid mixture. The extent of solid/liquid separation depends on the electroosmotic pressure gradient (Epg) which is a combination of applied electric field, the surface charge density of solid particles and the flow path structure in the mixture. The larger the Epg value, the higher the solid content of the treated mixture. A theoretical equation of Epg for a capillary flow is derived from the Navier–Stokes equation, and its extensions to a flow through porous materials are examined by using experimental Epg values from constant-current electroosmotic dewatering (EOD), electroosmotic permeation (EOP) and electro-forced sedimentation (EFS) tests. It has been clarified that the specific hydrodynamic resistance α has the most effect on the Epg value. The larger the α value of the material, the larger its Epg value. Modifications to the existing theories were suggested to understand the effect of solid/liquid mixture concentration on the separation under electric field more precisely.
format	Article
author	Tanaka, Takanori Kato, Hiroki Fujihara, Kenji Jami, Mohammed Saedi Iwata, Masashi
author_facet	Tanaka, Takanori Kato, Hiroki Fujihara, Kenji Jami, Mohammed Saedi Iwata, Masashi
author_sort	Tanaka, Takanori
title	Effect of flow path structure on solid/liquid separation under electric field
title_short	Effect of flow path structure on solid/liquid separation under electric field
title_full	Effect of flow path structure on solid/liquid separation under electric field
title_fullStr	Effect of flow path structure on solid/liquid separation under electric field
title_full_unstemmed	Effect of flow path structure on solid/liquid separation under electric field
title_sort	effect of flow path structure on solid/liquid separation under electric field
publisher	Elsevier Inc.
publishDate	2015
url	http://irep.iium.edu.my/44460/ http://irep.iium.edu.my/44460/ http://irep.iium.edu.my/44460/ http://irep.iium.edu.my/44460/4/44060_Effect_of_flow_path_structure.pdf
first_indexed	2023-09-18T21:03:12Z
last_indexed	2023-09-18T21:03:12Z
_version_	1777410761394487296

Effect of flow path structure on solid/liquid separation under electric field

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