Role of foulant-membrane interactions in organic fouling of ro membranes with respect to membrane properties

Juhee Yang; Sangyoup Lee; Youngbeom Yu; Jihun Kuk; Seungkwan Hong; Seungyoon Lee; Kyungsok Min

doi:10.1080/01496391003659911

Role of foulant-membrane interactions in organic fouling of ro membranes with respect to membrane properties

Juhee Yang, Sangyoup Lee, Youngbeom Yu, Jihun Kuk, Seungkwan Hong, Seungyoon Lee, Kyungsok Min

School of Civil, Environmental and Architectural Engineering

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

Initial fouling behavior due to membrane-foulant interactions was investigated by atomic force microscopy for various reverse osmosis membranes with different surface properties. Carboxylate modified latex and unmodified latex particles were used as surrogates of organic foulants. The results showed that the membrane-foulant adhesion forces were mainly governed by membrane surface properties such as hydrophobicity and surface charge. Stronger adhesion forces were determined for the membranes with more hydrophobic and less surface charge. Fouling experiments were further carried out to correlate the adhesion force data to actual flux-decline curves. A remarkable correlation was obtained where the membranes with stronger adhesion force more suffered from flux decline.

Original language	English
Pages (from-to)	948-955
Number of pages	8
Journal	Separation Science and Technology
Volume	45
Issue number	7
DOIs	https://doi.org/10.1080/01496391003659911
Publication status	Published - 2010 Apr

Keywords

Adhesion force
Atomic Force Microscopy
Membrane surface property
Organic fouling
RO membrane

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Process Chemistry and Technology
Filtration and Separation

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10.1080/01496391003659911

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Yang, J., Lee, S., Yu, Y., Kuk, J., Hong, S., Lee, S., & Min, K. (2010). Role of foulant-membrane interactions in organic fouling of ro membranes with respect to membrane properties. Separation Science and Technology, 45(7), 948-955. https://doi.org/10.1080/01496391003659911

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abstract = "Initial fouling behavior due to membrane-foulant interactions was investigated by atomic force microscopy for various reverse osmosis membranes with different surface properties. Carboxylate modified latex and unmodified latex particles were used as surrogates of organic foulants. The results showed that the membrane-foulant adhesion forces were mainly governed by membrane surface properties such as hydrophobicity and surface charge. Stronger adhesion forces were determined for the membranes with more hydrophobic and less surface charge. Fouling experiments were further carried out to correlate the adhesion force data to actual flux-decline curves. A remarkable correlation was obtained where the membranes with stronger adhesion force more suffered from flux decline.",

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AU - Lee, Seungyoon

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