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Conference Paper: Colloidal interaction and membrane fouling
Title | Colloidal interaction and membrane fouling |
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Authors | |
Keywords | Membrane Water Fouling Colloidal interaction |
Issue Date | 2015 |
Publisher | Research Institute for Sustainable Urban Development & Faculty of Construction and Environment, The Hong Kong Polytechnic University. |
Citation | Proceedings of the Second International Conference on Sustainable Urbanization (ICSU 2015), Hong Kong, China, 7-9 January 2015, p. 197 How to Cite? |
Abstract | Membrane fouling refers to the deposition of foulants on a membrane surface or inside the membrane pores, which leads to increased hydraulic resistance of the membrane. Among the various types of membrane fouling, colloidal fouling plays an important role. Excessive deposition of colloids can cause severe loss of membrane permeability and solute rejection. Membrane colloidal fouling is largely governed by the interplay of hydrodynamic forces and colloidal interaction. This presentation will systematically discuss the role of membrane permeate flux, colloidal interaction, and water chemistry on the fouling of reverse osmosis, nanafiltration, and ultrafiltration membranes. A simple theoretical framework is established to understand the seemingly contradictory experimental results, and its implications for optimal membrane operation will be discussed. The effect of inter-species interaction between different foulant species on membrane flux behaviour will also be discussed for feed waters containing mixtures of foulants. |
Description | Special Session on Selected Regional Water Issues in Asia |
Persistent Identifier | http://hdl.handle.net/10722/239441 |
ISBN |
DC Field | Value | Language |
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dc.contributor.author | Tang, C | - |
dc.date.accessioned | 2017-03-20T07:53:11Z | - |
dc.date.available | 2017-03-20T07:53:11Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | Proceedings of the Second International Conference on Sustainable Urbanization (ICSU 2015), Hong Kong, China, 7-9 January 2015, p. 197 | - |
dc.identifier.isbn | 978-988-15439-6-7 | - |
dc.identifier.uri | http://hdl.handle.net/10722/239441 | - |
dc.description | Special Session on Selected Regional Water Issues in Asia | - |
dc.description.abstract | Membrane fouling refers to the deposition of foulants on a membrane surface or inside the membrane pores, which leads to increased hydraulic resistance of the membrane. Among the various types of membrane fouling, colloidal fouling plays an important role. Excessive deposition of colloids can cause severe loss of membrane permeability and solute rejection. Membrane colloidal fouling is largely governed by the interplay of hydrodynamic forces and colloidal interaction. This presentation will systematically discuss the role of membrane permeate flux, colloidal interaction, and water chemistry on the fouling of reverse osmosis, nanafiltration, and ultrafiltration membranes. A simple theoretical framework is established to understand the seemingly contradictory experimental results, and its implications for optimal membrane operation will be discussed. The effect of inter-species interaction between different foulant species on membrane flux behaviour will also be discussed for feed waters containing mixtures of foulants. | - |
dc.language | eng | - |
dc.publisher | Research Institute for Sustainable Urban Development & Faculty of Construction and Environment, The Hong Kong Polytechnic University. | - |
dc.relation.ispartof | International Conference on Sustainable Urbanization (ICSU 2015) | - |
dc.subject | Membrane | - |
dc.subject | Water | - |
dc.subject | Fouling | - |
dc.subject | Colloidal interaction | - |
dc.title | Colloidal interaction and membrane fouling | - |
dc.type | Conference_Paper | - |
dc.identifier.email | Tang, C: tangc@hku.hk | - |
dc.identifier.authority | Tang, C=rp01765 | - |
dc.identifier.spage | 197 | - |
dc.identifier.epage | 197 | - |
dc.publisher.place | Hong Kong | - |