Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/129147
Title: ENHANCING THE PERFORMANCE OF FORWARD OSMOSIS (FO) THIN FILM COMPOSITE (TFC) MEMBRANES IN WATER TREATMENT
Authors: LIU QING
Keywords: forward osmosis (FO), thin film composite (TFC) membranes, internal concentration polarization (ICP), membrane fouling
Issue Date: 8-Jul-2016
Citation: LIU QING (2016-07-08). ENHANCING THE PERFORMANCE OF FORWARD OSMOSIS (FO) THIN FILM COMPOSITE (TFC) MEMBRANES IN WATER TREATMENT. ScholarBank@NUS Repository.
Abstract: Forward osmosis (FO) is a membrane process which draws water from the feed solution (low osmotic pressure) to the draw solution (high osmotic pressure) solely by the osmotic pressure difference. Since no external pressure is applied, FO can be a low energy water separation process if the draw solute can be easily regenerated. On the other hand, the number of integrally skinned asymmetric membranes formed by phase inversion with good FO performance is rather limited. Relative to these membranes, composite membranes such as the thin film composite (TFC) membranes have shown higher water permeability and solute rejection, improved chemical stability as well as added design flexibility. The TFC membranes are however prone to internal concentration polarization (ICP) and membrane fouling. This thesis project is an effort to develop methodologies which can effectively address these TFC membrane deficiencies.
URI: http://scholarbank.nus.edu.sg/handle/10635/129147
Appears in Collections:Ph.D Theses (Restricted)

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