Opportunities to reach economic sustainability in forward osmosis–reverse osmosis hybrids for seawater desalination

Blandin, Gaëtan; Verliefde, Arne; Tang, Chuyang Y.; Le‐Clech, Pierre

doi:10.1016/j.desal.2014.12.011

Cited by 142 publications

(80 citation statements)

References 50 publications

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“…The study also argued that increasing the efficiency of the FO dilution step by at least 23% is pivotal for the economic operation of the integrated FO-RO [28]. In terms of cost, FO membranes at their current state, i.e., low packing density and low performance, will continue to drive up the capital cost of FO-RO system installation [29]. It has been established that FO-RO integration may prove to be favorable in a market where per unit cost of RO permeate is high (exceeds $0.1/m 3 ).…”

Section: Advantages and Potential Uses Of Fomentioning

confidence: 95%

“…1. Findings comparing FO-RO to standalone RO demonstrate the current divide with regards to the economics and energetics of the system (a) FO/RO outcompetes a standalone two pass RO [24] (b) FO-RO is energetically higher than RO when considering low efficiency of FO process [28] (c) Overall energy savings using FO-RO would only be observed at flux greater than 30 LMH and in markets where actual cost of standalone RO is already high [29].…”

Section: Advantages and Potential Uses Of Fomentioning

confidence: 96%

“…Furthermore, a range of pollutants can be successfully removed through the FO process [29]. FO also has the prospect to help attain reasonable water flux and water recovery when high osmotic pressure gradient is maintained across the membrane.…”

Section: Advantages and Potential Uses Of Fomentioning

confidence: 99%

See 2 more Smart Citations

Recent advancements in forward osmosis desalination: A review

Akther¹,

Sodiq²,

Giwa³

et al. 2015

Chemical Engineering Journal

398

203

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Section: Advantages and Potential Uses Of Fomentioning

confidence: 95%

Section: Advantages and Potential Uses Of Fomentioning

confidence: 96%

See 1 more Smart Citation

Recent advancements in forward osmosis desalination: A review

Akther¹,

Sodiq²,

Giwa³

et al. 2015

Chemical Engineering Journal

398

203

View full text Add to dashboard Cite

“…To overcome or attenuate global warming and water scarcity crises, enormous efforts and research studies have been done to identify novel methods to purify wastewater or seawater at low cost with low energy consumption [1][2][3]. Membrane process such as reverse osmosis (RO), nanofiltration (NF), and ultrafiltration (UF) have emerged for water treatment, desalination, and water reuse because the area for *Corresponding author.…”

Section: Introductionmentioning

confidence: 99%

Performance evaluation of two-stage spiral wound forward osmosis elements at various operation conditions

Lee³

et al. 2016

Desalination and Water Treatment

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A B S T R A C TForward osmosis (FO) is an emerging process in water industry for wastewater treatment, water reuse, and desalination. Although many lab-scale studies have been done, the data generated cannot be directly applied to a real pilot plant due to different membrane configuration and operating conditions. In this study, we evaluated commercial spiral wound forward osmosis (SWFO) elements in various operating conditions (draw solution concentration, flow rate, and element array type). First, we investigated the SWFO special structure (winding configuration of the draw flow path). Due to the structural characteristics of SWFO, the draw flow rate showed a high-pressure drop effect because of feed flow rate. Second, we studied the performance of different element array types. Both sides of flow rate change influenced the performance of pilot-scale SWFO by reducing concentration polarization and dilution effect. In addition, according to the type of SWFO element array, the flow rate had different role in water flux. We propose guidelines for the design and management of commercial FO processes to carry out element evaluation as directly applicable to pilot plant. This study can be used as an important reference for engineers in the FO process field.

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“…The temperature of the FS was controlled by immersion in a water bath. The DS temperature was monitored by a thermometer and confirmed to be 298 ± 0.5 K. In the experiments for temperature effect, temperatures were changed at 288 and 308 K. Two commercial flat sheet CTA membranes (CTA-ES and CTA-NW; Hydration Technology Innovations Inc.) were also tested in FO mode using the flat sheet membrane test system [56] for comparison.…”

Section: Hollow Fiber Membranesmentioning

confidence: 99%