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Progress in transport theory and characterization method of Reverse Osmosis (RO) membrane in past fifty years

In this paper an attempt is made to review the progress in membrane characterization and transport theory in historical perspective. Its central theme is the membrane “pore” around which progress has been revolving, irrespective of whether the researcher is “for” or “against” the existence of pores...

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Main Authors: Ismail, Ahmad Fauzi, Matsuura, Takeshi
格式: Article
出版: Elsevier B.V. 2018
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TP Chemical technology
在线阅读:http://eprints.utm.my/id/eprint/85329/
http://dx.doi.org/10.1016/j.desal.2017.09.028
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spelling my.utm.853292020-03-17T08:24:17Z http://eprints.utm.my/id/eprint/85329/ Progress in transport theory and characterization method of Reverse Osmosis (RO) membrane in past fifty years Ismail, Ahmad Fauzi Matsuura, Takeshi TP Chemical technology In this paper an attempt is made to review the progress in membrane characterization and transport theory in historical perspective. Its central theme is the membrane “pore” around which progress has been revolving, irrespective of whether the researcher is “for” or “against” the existence of pores at the top dense layer of the RO membrane. The article starts from nineteen-fifties when the development of cellulose acetate membrane was launched on the basis of the Preferential Sorption-Capillary Flow (PS-CF) mechanism. The Sorption-Diffusion (S-D) model, which was presented at almost the same time, regards the top surface layer dense and homogeneous. No heterogeneity is allowed and the presence of pores makes the RO membrane imperfect, causing the leakage of salt. Thus, the PS-CF model came to direct confrontation with the S-D model. It is shown in this brief historic review how the advanced characterization instrument has revealed the heterogeneous structure of the top surface of the RO membrane and measured its “pore size” and “pore size distribution”. The advanced transport theory based on Molecular Dynamics (MD) simulation also resulted in the presence of the multi-modal pore size distribution. Elsevier B.V. 2018-05 Article PeerReviewed Ismail, Ahmad Fauzi and Matsuura, Takeshi (2018) Progress in transport theory and characterization method of Reverse Osmosis (RO) membrane in past fifty years. Desalination, 434 . pp. 2-11. ISSN 0011-9164 http://dx.doi.org/10.1016/j.desal.2017.09.028
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TP Chemical technology
spellingShingle TP Chemical technology
Ismail, Ahmad Fauzi
Matsuura, Takeshi
Progress in transport theory and characterization method of Reverse Osmosis (RO) membrane in past fifty years
description In this paper an attempt is made to review the progress in membrane characterization and transport theory in historical perspective. Its central theme is the membrane “pore” around which progress has been revolving, irrespective of whether the researcher is “for” or “against” the existence of pores at the top dense layer of the RO membrane. The article starts from nineteen-fifties when the development of cellulose acetate membrane was launched on the basis of the Preferential Sorption-Capillary Flow (PS-CF) mechanism. The Sorption-Diffusion (S-D) model, which was presented at almost the same time, regards the top surface layer dense and homogeneous. No heterogeneity is allowed and the presence of pores makes the RO membrane imperfect, causing the leakage of salt. Thus, the PS-CF model came to direct confrontation with the S-D model. It is shown in this brief historic review how the advanced characterization instrument has revealed the heterogeneous structure of the top surface of the RO membrane and measured its “pore size” and “pore size distribution”. The advanced transport theory based on Molecular Dynamics (MD) simulation also resulted in the presence of the multi-modal pore size distribution.
format Article
author Ismail, Ahmad Fauzi
Matsuura, Takeshi
author_facet Ismail, Ahmad Fauzi
Matsuura, Takeshi
author_sort Ismail, Ahmad Fauzi
title Progress in transport theory and characterization method of Reverse Osmosis (RO) membrane in past fifty years
title_short Progress in transport theory and characterization method of Reverse Osmosis (RO) membrane in past fifty years
title_full Progress in transport theory and characterization method of Reverse Osmosis (RO) membrane in past fifty years
title_fullStr Progress in transport theory and characterization method of Reverse Osmosis (RO) membrane in past fifty years
title_full_unstemmed Progress in transport theory and characterization method of Reverse Osmosis (RO) membrane in past fifty years
title_sort progress in transport theory and characterization method of reverse osmosis (ro) membrane in past fifty years
publisher Elsevier B.V.
publishDate 2018
url http://eprints.utm.my/id/eprint/85329/
http://dx.doi.org/10.1016/j.desal.2017.09.028
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score 13.250345

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