NDLI: Evaluation of poly (aspartic acid sodium salt) as a draw solute for forward osmosis.

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Evaluation of poly (aspartic acid sodium salt) as a draw solute for forward osmosis.

Content Provider	Semantic Scholar
Author	Gwak, Gimun Jung, Bokyung Han, Sungsoo Seungkwan
Copyright Year	2015
Abstract	Poly (aspartic acid sodium salt) (PAspNa) was evaluated for its potential as a novel draw solute in forward osmosis (FO). The inherent advantages of PAspNa, such as good water solubility, high osmotic pressure, and nontoxicity, were first examined through a series of physicochemical analyses and atomic-scale molecular dynamics simulations. Then, lab-scale FO tests were performed to evaluate its suitability in practical processes. Compared to other conventional inorganic solutes, PAspNa showed comparable water flux but significantly lower reverse solute flux, demonstrating its suitability as a draw solute. Moreover, fouling experiments using synthetic wastewater as a feed solution demonstrated that PAspNa reversely flowed to the feed side reduced inorganic scaling on the membrane active layer. The recyclability of PAspNa was studied using both nanofiltration (NF) and membrane distillation (MD) processes, and the results exhibited its ease of recovery. This research reported the feasibility and applicability of FO-NF or FO-MD processes using PAspNa for wastewater reclamation and brackish water desalination.
Starting Page	294
Ending Page	305
Page Count	12
File Format	PDF HTM / HTML
DOI	10.1016/j.watres.2015.04.041
PubMed reference number	26005789
Journal	Medline
Volume Number	80
Alternate Webpage(s)	http://water21.korea.ac.kr/DATA/(2015.09.01)%20Evaluation%20of%20Poly%20(aspartic%20acid%20sodium%20salt)%20as%20a%20Draw%20Solute%20for%20Forward%20Osmosis.pdf
Alternate Webpage(s)	https://doi.org/10.1016/j.watres.2015.04.041
Journal	Water research
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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