Modelling and cost analysis of hybrid systems for seawater desalination: Electromembrane pre-treatments for Reverse Osmosis

Cerva, Mariagiorgia La; Gurreri, Luigi; Cipollina, Andrea; Tamburini, Alessandro; Ciofalo, Michele; Micale, G.

doi:10.1016/j.desal.2019.06.010

Cited by 53 publications

(14 citation statements)

References 59 publications

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“…Synthetic merit figures, often proposed in the form Nu a /f b or Sh a /f b (with a and b suitable exponents), may be of some use, but the only rigorous approach to optimization is the minimization of a well defined cost function, in which both pressure losses and heat / mass transfer rates explicitly appear. Such study is beyond the scope of the present study, but efforts in this direction have been proposed by some of the present authors for specific applications [33,34].…”

Section: Discussionmentioning

confidence: 98%

CFD prediction of flow, heat and mass transfer in woven spacer-filled channels for membrane processes

Mokhtar

Gurreri

Tamburini

et al. 2021

International Journal of Heat and Mass Transfer

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Section: Discussionmentioning

confidence: 98%

CFD prediction of flow, heat and mass transfer in woven spacer-filled channels for membrane processes

Mokhtar

Gurreri

Tamburini

et al. 2021

International Journal of Heat and Mass Transfer

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“…The RED unit may also be operated under "assisted" conditions, in which the applied electrical current overcomes the short-circuit current, thus requiring a lower membrane area [425]. Simulation results showed that hybrid RED-RO systems either with assisted or conventional RED yielded cost savings compared to standalone SWRO [426]. However, a critical issue affecting these RED-RO systems is the potential contamination of the seawater by organic micropollutants that may be adsorbed and transported from the impaired water [427].…”

Section: Energy Recoverymentioning

confidence: 99%

Electrodialysis Applications in Wastewater Treatment for Environmental Protection and Resources Recovery: A Systematic Review on Progress and Perspectives

et al. 2020

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This paper presents a comprehensive review of studies on electrodialysis (ED) applications in wastewater treatment, outlining the current status and the future prospect. ED is a membrane process of separation under the action of an electric field, where ions are selectively transported across ion-exchange membranes. ED of both conventional or unconventional fashion has been tested to treat several waste or spent aqueous solutions, including effluents from various industrial processes, municipal wastewater or salt water treatment plants, and animal farms. Properties such as selectivity, high separation efficiency, and chemical-free treatment make ED methods adequate for desalination and other treatments with significant environmental benefits. ED technologies can be used in operations of concentration, dilution, desalination, regeneration, and valorisation to reclaim wastewater and recover water and/or other products, e.g., heavy metal ions, salts, acids/bases, nutrients, and organics, or electrical energy. Intense research activity has been directed towards developing enhanced or novel systems, showing that zero or minimal liquid discharge approaches can be techno-economically affordable and competitive. Despite few real plants having been installed, recent developments are opening new routes for the large-scale use of ED techniques in a plethora of treatment processes for wastewater.

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“…It is essential that the project planners and desalination engineers provide cost analysis regularly for this business cases (Al-Obaidi et al 2019 , La Cerva et al 2019 ). The cost of water production includes all spending associated with project implementation consists of fixed and variable components.…”

Section: Introductionmentioning

confidence: 99%

Evaluation for the optimization of two conceptual 200,000 m3/day capacity RO desalination plant with different intake seawater of Oman Sea and Caspian Sea

2021

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Iran has faced with water scarcity problem for a long time. There is a strong tendency to desalinate seawater from Oman or the Caspian Sea as intake seawater and transfer it to central parts of the country. These projects face significant technical, economic, and environmental challenges. In this work, utilizing available economic theories about single-stage reverse osmosis (RO) desalination plants, the cost analysis of a conceptual plant with a production capacity of 200,000 m3/day, was accomplished assuming the use of Oman and Caspian seawater as feed. The effect of important parameters such as applied pressure, recovery ratio, total salt content of the feed, and produced water and the temperature has been studied theoretically. The results show that under the same working conditions, the final product price per cubic meter of freshwater from the Caspian Sea is $ 0.69 versus $ 1.24 for the Oman Sea, which is about 50% cheaper. The lower salinity of the Caspian Sea compared to the Oman Sea is the main reason, which lead to reduce in the capital cost of the RO membrane (62% difference), cost of the intake and pretreatment (20%), and cost of membrane elements replacement (13%) regardless of water transfer cost.

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Modelling and cost analysis of hybrid systems for seawater desalination: Electromembrane pre-treatments for Reverse Osmosis

Cited by 53 publications

References 59 publications

CFD prediction of flow, heat and mass transfer in woven spacer-filled channels for membrane processes

CFD prediction of flow, heat and mass transfer in woven spacer-filled channels for membrane processes

Electrodialysis Applications in Wastewater Treatment for Environmental Protection and Resources Recovery: A Systematic Review on Progress and Perspectives

Evaluation for the optimization of two conceptual 200,000 m3/day capacity RO desalination plant with different intake seawater of Oman Sea and Caspian Sea

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