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Renewable Energy Storage and Its Application for Desalination

  • Muhammad Wakil ShahzadEmail author
  • Muhammad Burhan
  • Kim Choon Ng
Chapter
Part of the Energy, Environment, and Sustainability book series (ENENSU)

Abstract

The economic development has serious impact on the nexus between water, energy, and environment. This impact is even more severe in Non-Organization for Economic Cooperation and Development (non-OECD) countries due to improper resource management. It is predicted that energy demand will increase by more than 71% in non-OECD as compared to 18% in developed countries by 2040. In Gulf Cooperation Council countries, water and power sector consume almost half of primary energy produced. In the past, many studies were focused on renewable energies based on desalination processes to accommodate fivefold increase in demand by 2050 but they were not commercialized due to intermittent nature of renewable energy such as solar and wind. We proposed highly efficient energy storage material, magnesium oxide (MgO), system integrated with innovative hybrid desalination cycle for future sustainable water supplies. The condensation of Mg(OH)2 dehydration vapor during day operation with concentrated solar energy and exothermic hydration of MgO at night can produce 24 h thermal energy without any interruption. It was showed that Mg(OH)2 dehydration vapor condensation produces 120 °C and MgO hydration exothermic reaction produces 140 °C heat during day and night operation, respectively, corresponding to energy storage of 81 kJ/mol and 41 kJ/mol. The produced energy can be utilized to operate desalination cycle to reduce CO2 emission and to achieve COP21 goal. The proposed hybrid desalination cycle is successfully demonstrated by pilot experiments at KAUST. It was showed that MgO + MEDAD cycle can achieve performance over UPR = 200, one of the highest reported ever.

Keywords

Thermal desalination Adsorption cycle Hybrid cycle Renewable energy Solar energy Energy storage material 

Nomenclature

OECD

Organization for Economic Cooperation and Development

COP

Conference of Parties

GCC

Gulf Cooperation Council

EAD

Environment Agency Abu Dhabi

MENA

Middle East and North Africa

MED

Multi-effect Desalination

MSF

Multistage Flash

SWRO

Seawater Reverse Osmosis

MVC

Mechanical Vapor Compression

AD

Adsorption

ED

Electrodialysis

TES

Thermal Energy Storage

CSP

Concentrated Solar Photovoltaic

TBT

Top Brine Temperature

LBT

Lower Brine Temperature

LPM

Liter per Minute

UPR

Universal Performance Ratio

TL

Thermodynamic Limit

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Muhammad Wakil Shahzad
    • 1
    Email author
  • Muhammad Burhan
    • 1
  • Kim Choon Ng
    • 1
  1. 1.Water Desalination and Reuse Centre (WDRC), Biological and Environmental Science & Engineering (BESE)King Abdullah University of Science and TechnologyThuwalSaudi Arabia

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