The Role of Desalination in an Increasingly Water-Scarce World

,

doi:10.1596/31416

Cited by 20 publications

(8 citation statements)

References 4 publications

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“…Evaporative systems such as multi-stage flash (MSF) and multi-effect distillation (MED) utilize thermal energy (typically 90 • C and 55 • C, respectively) to evaporate and condensate water [7]. These systems require highly corrosion-resistant and costly materials [19] and are heat-intensive (26.29-83.06 kWh/m 3 ); they require three or four times the theoretical minimum energy of separation [8,7].…”

Section: Desalinaton Technologiesmentioning

confidence: 99%

Molecular design targets and optimization of low-temperature thermal desalination systems

Garciadiego¹,

Luo

Dowling³

2021

Desalination

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Section: Desalinaton Technologiesmentioning

confidence: 99%

Molecular design targets and optimization of low-temperature thermal desalination systems

Garciadiego¹,

Luo

Dowling³

2021

Desalination

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“…This means that a further significant reduction in energy consumption is not expected for RO technology. However, further significant advances in membrane technology (increasing in water productivity per area) are predicted, which could cause up to a 20 percent cost reduction in the next five years [4].…”

Section: System Configurationmentioning

confidence: 99%

“…For low salinity, RO units desalinate water with lower cost comparing to the thermal desalination technologies, mainly because of energy-saving and lower energy requirements. As an example, a Red Sea RO seawater desalination plant with an average salinity of TDS (total dissolved solids) 44 ppt requires 30 percent more energy comparing to plants desalinating Pacific Ocean or Atlantic Ocean seawater, which have a salinity of TDS 46 ppt, with all other conditions being the same [4].…”

Section: Feed-watermentioning

confidence: 99%

“…On the other hand, the potential remaining natural water resources, which are sustainable to utilize, are limited. Beyond risks from climate change, supply-side options to meet future water demand face rising costs due to steep marginal costs [4]. This study seeks to identify the state-of-art of desalination-based water provision, considered from a wide variety of perspectives beyond just the techno-economic analysis.…”

Section: Introductionmentioning

confidence: 99%

“…Desalination is an energy-intensive process. Energy requirement in commercial desalination processes ranges from a minimum of 1.8 KWh/m 3 for reverse osmosis technology to a maximum of 12.5 KWh/m 3 for multi-stage flash technology [4,9]. On average, desalinating 1000 m 3 of saline water by conventional technologies consumes about 37 barrels of crude oil (utilizing combined cycle power plant and reverse osmosis desalination technology), which causes around 10 tons of CO 2 emissions [10].…”

Section: Introductionmentioning

confidence: 99%

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The Role of Renewable Energy Resources in Sustainability of Water Desalination as a Potential Fresh-Water Source: An Updated Review

et al. 2020

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Desalination is becoming a practical option to meet water demand in an increasing number of locations that are facing water scarcity. Currently, more than 150 countries in the world are already using desalination technologies, which account for about one percent of the world’s drinking water. Although for specific regions, desalination is the only feasible solution to close the supply–demand gap (for example the production of desalinated seawater in the Middle East is predicted to rise almost fourteen-fold by 2040), the sustainability of desalination systems is still remarkably under question. This review aims first to investigate the technical and economic trends and environmental and social aspects of desalination systems and then, in the second stage, to give an overview of the role of renewable energy technologies in the sustainability of the future water systems with an increasing share of desalination.

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Rapid assessment of integrated nuclear cogeneration projects using multi‐criteria indices

Bhattacharyya

Khalid

2021

Intl J of Energy Research

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Nuclear power plants provide clean, carbon free, stable, reliable electricity and can offer nonelectric products and services via cogeneration operations to multiple sectors. This contributes to decarbonization of the current energy and industrial systems, supports climate change mitigation and adaptation efforts and ensures sustainable development over the long term, according to the United Nations Sustainable Development Goals (UN SDGs) framework and the provisions of the Conference of Parties 21 (COP21) Paris Agreement, 2015. This work surveys the potential role of nuclear cogeneration projects in meeting these objectives based on the current technological landscape. It focuses on nuclear assisted desalination for freshwater production and electrolytic hydrogen production as the use cases and suggests an assessment framework for their holistic evaluation. New integrated metrics and multi-criteria performance indicators beyond the levelized cost of production are developed to quantify the likely multi-dimensional impacts of such projects. The use of these for screening alternatives illustrates the fact that depending on weightage given to different criteria, different technologies may appear to be better suited to deployment under given set of conditions. These metrics are expected to be useful for creation of a decision support system for deployment of nuclear cogeneration projects.

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The Role of Desalination in an Increasingly Water-Scarce World

Cited by 20 publications

References 4 publications

Molecular design targets and optimization of low-temperature thermal desalination systems

Molecular design targets and optimization of low-temperature thermal desalination systems

The Role of Renewable Energy Resources in Sustainability of Water Desalination as a Potential Fresh-Water Source: An Updated Review

Rapid assessment of integrated nuclear cogeneration projects using multi‐criteria indices

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