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A novel fertiliser drawn forward osmosis desalination for fertigation

Published on Jan 1, 2012
Sherub Phuntsho27
Estimated H-index: 27
Abstract
  • References (106)
  • Citations (7)
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References106
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#1V. J. DishaH-Index: 1
Last. Usha K. AravindH-Index: 15
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This work illustrates the potential use of PEI/PSS bilayers assembled via layer by layer (lbl) method on a nylon microfiltration membrane for the recovery of phosphate from water in the presence of chloride under ultrafiltration conditions. A total of nine bilayers were used for the selective recovery of phosphate. Bilayers were constructed from polyelectrolyte solutions of varying ionic strength (0–1 M of NaCl). The selected pH for deposition of PEI (5.9) and the presence of supporting salt in ...
15 CitationsSource
#1Tai-Shung Chung (NUS: National University of Singapore)H-Index: 97
#2Xue Li (NUS: National University of Singapore)H-Index: 16
Last. Gang Han (NUS: National University of Singapore)H-Index: 19
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The purpose of this short review is to share our understanding and perspectives with the chemical, environmental, water and osmotic power communities on FO processes in order to conduct meaningful R & D and develop effective and sustainable FO technologies for clean water and clean energy.
219 CitationsSource
#1Winson C.L. Lay (NTU: Nanyang Technological University)H-Index: 11
#2Jinsong Zhang (NTU: Nanyang Technological University)H-Index: 67
Last. Anthony G. Fane (NTU: Nanyang Technological University)H-Index: 94
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Abstract The performance of a forward osmosis (FO) system may be characterised by the assessment parameters: FO–RO flux ratio ( J w / J w(RO) ), apparent FO water permeability ( J w /( π ds − π ml )), and the newly developed flux efficiency factor ( J w,ob / J w,re ). The former two parameters offer information on extent of internal concentration polarisation and driving force utilisation, respectively. The J w,ob / J w,re factor has practical relevance, and reveals the inevitable trade-off betw...
95 CitationsSource
#1Shuren Chou (NTU: Nanyang Technological University)H-Index: 15
#2Rong Wang (NTU: Nanyang Technological University)H-Index: 68
Last. Anthony G. Fane (NTU: Nanyang Technological University)H-Index: 94
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Abstract For the first time, a specially designed pressure retarded osmosis (PRO) hollow fiber membrane has been successfully developed and applied in the PRO process to demonstrate its potential for power generation. The membrane fabrication method is similar to that used for making thin-film composite (TFC) forward osmosis hollow fiber membranes, but further optimization and improvement have led to a new type of TFC hollow fiber membranes with much greater mechanical strength in addition to it...
224 CitationsSource
#1Abdullah Alkhudhiri (Swansea University)H-Index: 6
#2Naif A. Darwish (AUS: American University of Sharjah)H-Index: 16
Last. Nidal Hilal (Swansea University)H-Index: 57
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article i nfo Membrane Distillation (MD) is a thermally-driven separation process, in which only vapour molecules trans- fer through a microporous hydrophobic membrane. The driving force in the MD process is the vapour pres- sure difference induced by the temperature difference across the hydrophobic membrane. This process has various applications, such as desalination, wastewater treatment and in the food industry. This review addresses membrane characteristics, membrane-related heat and mass t...
887 CitationsSource
#1Nhu-Ngoc Bui (UConn: University of Connecticut)H-Index: 10
#2Mary Laura Lind (UCLA: University of California, Los Angeles)H-Index: 17
Last. Jeffrey R. McCutcheon (UConn: University of Connecticut)H-Index: 31
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Engineered osmosis (EO) is a membrane based separation technology with applications to sustainable energy, resource recovery, and water production. Still emerging, EO utilizes energy stored as chemical potential (osmotic pressure) to generate power or purify water, but the lack of membranes with suitable water flux, solute rejection, mechanical strength, and chemical stability has limited EO development. In this study, we attempt to address low water flux by proposing a novel thin film composite...
181 CitationsSource
#2Julián BlancoH-Index: 34
Last. Wolfgang GernjakH-Index: 40
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A solar desalination system based on membrane distillation (MD) is presented and evaluated. In the context of a European project, the MEDESOL project, a pilot plant was built to evaluate the system, which consists of three commercial MD modules coupled with a static solar collector's field. The MD modules employed have been developed and manufactured by the Swedish company Scarab AB. They have a flat sheet air gap membrane distillation (AGMD) configuration with a total membrane surface area per ...
143 CitationsSource
#1Hang Zheng Chen (NUS: National University of Singapore)H-Index: 7
#2Youchang Xiao (NUS: National University of Singapore)H-Index: 31
Last. Tai-Shung Chung (NUS: National University of Singapore)H-Index: 97
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Abstract With the aim to make newly developed materials to be more industrially relevant, multi-layer composite hollow fiber membranes were molecularly designed by surface coating ultrathin layers of a poly(ethylene glycol) (PEG) containing hybrid material onto the polyethersulfone (PES) porous substrate for CO 2 /N 2 separation. The asymmetric PES hollow fiber substrate was prepared by a dry-jet wet spinning process. Multiple ultrathin layers of the PEG containing hybrid polymer were then coate...
32 CitationsSource
#1Menachem Elimelech (Yale University)H-Index: 129
#2William A. Phillip (Yale University)H-Index: 24
In recent years, numerous large-scale seawater desalination plants have been built in water-stressed countries to augment available water resources, and construction of new desalination plants is expected to increase in the near future. Despite major advancements in desalination technologies, seawater desalination is still more energy intensive compared to conventional technologies for the treatment of fresh water. There are also concerns about the potential environmental impacts of large-scale ...
2,101 CitationsSource
#1Da Hee Jung (Gwangju Institute of Science and Technology)H-Index: 2
#2Jijung Lee (Gwangju Institute of Science and Technology)H-Index: 4
Last. Joon Ha Kim (Gwangju Institute of Science and Technology)H-Index: 34
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Performance of forward osmosis (FO) process is significantly affected by factors such as membrane properties, concentration polarization (CP), and fouling. In this study, FO performance of a plate and frame type membrane is investigated via a numerical simulation based on mass conservation theorem. To evaluate the FO membrane performance, permeate flux and recovery rate are simulated according to membrane orientation, flow direction of feed and draw solutions, flow rate, and solute resistivity (...
63 CitationsSource
Cited By7
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#1Estella Zandile Jingxi (Cape Peninsula University of Technology)H-Index: 1
#2Debbie De Jager (Cape Peninsula University of Technology)H-Index: 4
Last. M. S. Sheldon (Cape Peninsula University of Technology)H-Index: 9
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: Reactive Black 5 and Basic Blue 41 GRL dyeing solutions (dye-to-salt mixture in a 1:10 dye-to-salt mass ratio) were investigated as draw solutions (DS) in a forward osmosis (FO) system with a biomimetic membrane. Synthetic seawater (SSW) and textile wastewater (TWW1 and TWW2) were evaluated as feed solutions (FS) for water reclamation. Reactive Black 5 and Basic Blue 41 GRL were diluted from 0.02 M to concentrations of 0.002 and 0.004 M, respectively. With Reactive Black 5 as DS and SSW as FS,...
1 CitationsSource
#1Jung Eun Kim (UTS: University of Technology, Sydney)H-Index: 12
#2Gaetan Blandin (University of Girona)H-Index: 9
Last. Ho Kyong Shon (UTS: University of Technology, Sydney)H-Index: 43
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Abstract A better understanding of large spiral wound forward osmosis (SW FO) module operation is needed to provide practical insight for a full-scale FO practical implementation desalination plant. Therefore, this study investigated two different 8″ SW FO modules (i.e. cellulose tri acetate, CTA and thin film composite, TFC) in terms of hydrodynamics, operating pressure, water and solute fluxes, fouling behaviour and cleaning strategy. For both modules, a significantly lower flow rate was requi...
24 CitationsSource
#1Soleyman Sahebi (UTS: University of Technology, Sydney)H-Index: 11
#2Sherub Phuntsho (UTS: University of Technology, Sydney)H-Index: 27
Last. Ho Kyong Shon (UTS: University of Technology, Sydney)H-Index: 43
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Abstract Adequate dilution of fertiliser draw solution (DS) during fertiliser drawn forward osmosis (FDFO) desalination is important to meet nutrient concentration level for direct fertigation. The maximum DS dilution, however, occurs until the point of osmotic equilibrium between DS and feed solution (FS) thereby limiting the extent of DS dilution. Post-treatment such as nanofiltration (NF) process is required to reduce the fertiliser concentration. In this study however, pressure assisted fert...
38 CitationsSource
#1Sherub PhuntshoH-Index: 27
#2Je KimH-Index: 1
Last. Ho Kyong ShonH-Index: 43
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2 CitationsSource
#1Sherub Phuntsho (UTS: University of Technology, Sydney)H-Index: 27
#2Fezeh Lotfi (UTS: University of Technology, Sydney)H-Index: 7
Last. Ho Kyong Shon (KU: Korea University)H-Index: 43
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Fertiliser-drawn forward osmosis (FDFO) desalination has been recently studied as one feasible application of forward osmosis (FO) for irrigation. In this study, the potential of membrane scaling in the FDFO process has been investigated during the desalination of brackish groundwater (BGW). While most fertilisers containing monovalent ions did not result in any scaling when used as an FO draw solution (DS), diammonium phosphate (DAP or (NH4)2HPO4) resulted in significant scaling, which contribu...
60 CitationsSource
#1Winny Fam (UTS: University of Technology, Sydney)H-Index: 2
#2Sherub Phuntsho (UTS: University of Technology, Sydney)H-Index: 27
Last. Ho Kyong Shon (UTS: University of Technology, Sydney)H-Index: 43
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Abstract The boron transport in forward osmosis (FO) process using thin film composite (TFC) membranes has been investigated. Two common fertilizers were used as draw solutes and a model seawater as the feed. The influence of several physical and chemical operating conditions on boron solute flux and boron rejection rates was investigated. The examined factors include draw solution types, membrane orientation, feed and draw solution concentrations, boron feed concentration, crossflow rate, and f...
16 CitationsSource
#1Sherub Phuntsho (UTS: University of Technology, Sydney)H-Index: 27
#2Sk Hong (KU: Korea University)H-Index: 41
Last. Ho Kyong Shon (UTS: University of Technology, Sydney)H-Index: 43
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Forward osmosis (FO) has gained significant research interest due to the wide range of potential applications in desalination and wastewater reuse. However, the FO process being concentration (osmosis) driven has its own intrinsic limitations. Net transfer of water across the membrane occurs until the point of osmotic equilibrium between the draw solution (DS) and the feed solution (FS). Without external intervention, it is impossible to dilute the DS beyond the point of osmotic equilibrium. In ...
61 CitationsSource