Desalination of Red Sea water using both electrodialysis and reverse osmosis as complementary methods

Abdel-Aal, E.A.; Farid, M E; Hassan, Fatma S. M.; Mohamed, A. E.

doi:10.1016/j.ejpe.2015.02.007

Cited by 33 publications

(13 citation statements)

References 6 publications

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“…(2). Because the flux in PRO systems is influenced by the salt reversal diffusion and concentration polarization, the general expression for the power or the current generated can be calculated using the following expression [35]:…”

Section: Theorymentioning

confidence: 99%

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Lab scale assessment of power generation using pressure retarded osmosis from wastewater treatment plants in the state of Kuwait

2016

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Section: Theorymentioning

confidence: 99%

“…This crisis has resulted in the depletion of water resources and has limited the availability of fresh water to 0.8% of the earth's total water resources [2]. The global demand for water will increase from 4500 billion m 3 to 6900 billion m 3 by 2030, and this demand will only be solved through the treatment of seawater.…”

Section: Introductionmentioning

confidence: 99%

Lab scale assessment of power generation using pressure retarded osmosis from wastewater treatment plants in the state of Kuwait

2016

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“…In a conventional process, a large number of alternating cationexchange and anion-exchange membranes are stacked together, separated by flow spacers, which are plastic sheets that allow the passage of water. The total power consumption of ED units ranges from 0.7 to 2.5 kWh/m 3 of desalinated water for feed water salinity of 2500 ppm and from 2.64 to 5.5 kWh/m 3 of desalinated water for feed water salinity of 5000 ppm [18][19][20].…”

Section: Electrodialysismentioning

confidence: 99%

Solar Membrane Distillation: Use of a Helically Coiled Fiber

Zrelli¹

2017

Distillation - Innovative Applications and Modeling

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Membrane distillation (MD) is a novel process introduced to overcome the disadvantages of the conventional distillation process. MD has gained much interest, principally, for its lower energy demand and higher rejection factors. Many configurations of the membrane module have been tested to improve the MD process. In this case, and in order to see the possibility of using the helically coiled fiber for MD coupled with solar energy, a mathematical model has been developed. This model describes the evolutions of permeate flow rate with the variation of inlet feed characteristics, solar flux, and so on. A comparison between the use of linear and helically-coiled fiber shows an enhancement of the temperature polarization coefficient about 6% for the case of the helical fiber and to have an improvement factor by 28%. For the case of the effect of solar energy on the permeate flow rate, an increase of 264% is remarked for the variation of the direct solar flux from 200 to 800 W/m 2 . However, a reduction of 12% for the permeate flux is obtained, when the inlet feed concentration grows from 10 to 300 g/l.

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“…The main reason for this could be the high development level of such technology, which represents one of the most efficient process for water with high concentrations (above 35,000 ppm) of total dissolved solids [19]. Ongoing simulations and future analysis will also benefit some emerging hybrid technologies, i.e., integrated RO-ED process, in which the electrodialysis process is applied firstly, followed by reverse osmosis [20]. However, in order to set pragmatic simulations under the current market scenario, the analysis presented in this paper refers to an existing RO machine.…”

Section: Introductionmentioning

confidence: 99%

Coastal Defence Integrating Wave-Energy-Based Desalination: A Case Study in Madagascar

Contestabile

Vicinanza

2018

JMSE

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In arid, coastal cities, water demand is often met through large-scale desalination systems. However, the energy required to run desalination plants remains a drawback. Further, numerous low-density population areas lack not only fresh water availability, but in most of the cases electrical grid connection or any other energy source as well. The challenge, consequently, is to ensure adequate fresh water supplies at the lowest possible cost. The main objective of this work is to assess the freshwater production from a reverse osmosis desalination system powered by a wave energy converter, the Overtopping Breakwater for Wave Energy Conversion (OBREC). The desktop analysis is illustrated through a case study on the Fenoarivo Atsinanana coast, along north-eastern Madagascar. The novel aspect of the analysis method is the application of a specific numerical code calibrated using preliminary results from a two-year monitoring campaign of the first OBREC prototype in operation in Naples Harbour (Italy). Instead of dissipating the incoming wave energy, the system collects the overtopping water above the sea level and the potential energy is converted into electricity through low head turbines. Then, the flow will be driven towards the desalination system. This configuration seems like a promising opportunity for developing countries to meet their water supply needs while at the same time developing their renewable energy potential.

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Desalination of Red Sea water using both electrodialysis and reverse osmosis as complementary methods

Abstract: 2016-11-02T18:49:00

Cited by 33 publications

References 6 publications

Lab scale assessment of power generation using pressure retarded osmosis from wastewater treatment plants in the state of Kuwait

Lab scale assessment of power generation using pressure retarded osmosis from wastewater treatment plants in the state of Kuwait

Solar Membrane Distillation: Use of a Helically Coiled Fiber

Coastal Defence Integrating Wave-Energy-Based Desalination: A Case Study in Madagascar

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