Application of pressure assisted forward osmosis for water purification and reuse of reverse osmosis concentrate from a water reclamation plant

Handle URI:
http://hdl.handle.net/10754/621477
Title:
Application of pressure assisted forward osmosis for water purification and reuse of reverse osmosis concentrate from a water reclamation plant
Authors:
Jamil, Shazad; Jeong, Sanghyun; Vigneswaran, Saravanamuthu
Abstract:
The use of forward osmosis (FO) is growing among the researchers for water desalination and wastewater treatment due to use of natural osmotic pressure of draw solute. In this study pressure assisted forward osmosis (PAFO) was used instead of FO to increase the water production rate. In this study a low concentration of draw solution (0.25 M KCl) was applied so that diluted KCl after PAFO operation can directly be used for fertigation. The performance of PAFO was investigated for the treatment of reverse osmosis concentrate (ROC) from a water reclamation plant. The water production in PAFO was increased by 9% and 29% at applied pressure of 2 and 4 bars, respectively, to feed side based on 90 h of experiments. Granular activated carbon (GAC) pretreatment and HCl softening were used to reduce organic fouling and scaling prior to application of PAFO. It reduced total organic carbon (TOC) and total inorganic carbon (TIC) by around 90% and 85%, respectively from untreated ROC. Subsequently, this led to an increase in permeate flux. In addition, GAC pretreatment adsorbed 12 out of 14 organic micropollutants tested from ROC to below detection limit. This application enabled to minimise the ROC volume with a sustainable operation and produced high quality and safe water for discharge or reuse. The draw solution (0.25 M KCl) used in this study was diluted to 0.14 M KCl, which is a suitable concentration (10 kg/m3) for fertigation, due to water transport from feed solution. © 2016 Elsevier B.V.
KAUST Department:
Biological and Environmental Sciences and Engineering (BESE) Division; Water Desalination and Reuse Research Center (WDRC)
Citation:
Jamil S, Jeong S, Vigneswaran S (2016) Application of pressure assisted forward osmosis for water purification and reuse of reverse osmosis concentrate from a water reclamation plant. Separation and Purification Technology 171: 182–190. Available: http://dx.doi.org/10.1016/j.seppur.2016.07.036.
Publisher:
Elsevier BV
Journal:
Separation and Purification Technology
Issue Date:
26-Jul-2016
DOI:
10.1016/j.seppur.2016.07.036
Type:
Article
ISSN:
1383-5866
Sponsors:
This study was funded by CRC Care Grant (Sustainable process for treatment of WWROC to achieve near zero liquid discharge). The first author was funded by Australian Postgraduate Award and UTS Research Excellence Scholarship. We acknowledge the support of Dr. Andrzej Lisowski, Sydney Olympic Park Authority for providing reverse osmosis concentrate from the water reclamation plant.
Appears in Collections:
Articles; Water Desalination and Reuse Research Center (WDRC); Biological and Environmental Sciences and Engineering (BESE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorJamil, Shazaden
dc.contributor.authorJeong, Sanghyunen
dc.contributor.authorVigneswaran, Saravanamuthuen
dc.date.accessioned2016-11-03T08:30:18Z-
dc.date.available2016-11-03T08:30:18Z-
dc.date.issued2016-07-26en
dc.identifier.citationJamil S, Jeong S, Vigneswaran S (2016) Application of pressure assisted forward osmosis for water purification and reuse of reverse osmosis concentrate from a water reclamation plant. Separation and Purification Technology 171: 182–190. Available: http://dx.doi.org/10.1016/j.seppur.2016.07.036.en
dc.identifier.issn1383-5866en
dc.identifier.doi10.1016/j.seppur.2016.07.036en
dc.identifier.urihttp://hdl.handle.net/10754/621477-
dc.description.abstractThe use of forward osmosis (FO) is growing among the researchers for water desalination and wastewater treatment due to use of natural osmotic pressure of draw solute. In this study pressure assisted forward osmosis (PAFO) was used instead of FO to increase the water production rate. In this study a low concentration of draw solution (0.25 M KCl) was applied so that diluted KCl after PAFO operation can directly be used for fertigation. The performance of PAFO was investigated for the treatment of reverse osmosis concentrate (ROC) from a water reclamation plant. The water production in PAFO was increased by 9% and 29% at applied pressure of 2 and 4 bars, respectively, to feed side based on 90 h of experiments. Granular activated carbon (GAC) pretreatment and HCl softening were used to reduce organic fouling and scaling prior to application of PAFO. It reduced total organic carbon (TOC) and total inorganic carbon (TIC) by around 90% and 85%, respectively from untreated ROC. Subsequently, this led to an increase in permeate flux. In addition, GAC pretreatment adsorbed 12 out of 14 organic micropollutants tested from ROC to below detection limit. This application enabled to minimise the ROC volume with a sustainable operation and produced high quality and safe water for discharge or reuse. The draw solution (0.25 M KCl) used in this study was diluted to 0.14 M KCl, which is a suitable concentration (10 kg/m3) for fertigation, due to water transport from feed solution. © 2016 Elsevier B.V.en
dc.description.sponsorshipThis study was funded by CRC Care Grant (Sustainable process for treatment of WWROC to achieve near zero liquid discharge). The first author was funded by Australian Postgraduate Award and UTS Research Excellence Scholarship. We acknowledge the support of Dr. Andrzej Lisowski, Sydney Olympic Park Authority for providing reverse osmosis concentrate from the water reclamation plant.en
dc.publisherElsevier BVen
dc.subjectFertigationen
dc.titleApplication of pressure assisted forward osmosis for water purification and reuse of reverse osmosis concentrate from a water reclamation planten
dc.typeArticleen
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Divisionen
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)en
dc.identifier.journalSeparation and Purification Technologyen
dc.contributor.institutionCentre for Technology in Water and Wastewater (CTWW), Faculty of Engineering and IT, University of Technology, Sydney (UTS), NSW, Australiaen
kaust.authorJeong, Sanghyunen
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