Seawater greenhouse in Oman

A sustainable technique for freshwater conservation and production

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The recently-evolved seawater greenhouse (SWGH) technology exhibits a promising source of freshwater for irrigation in places where only saline groundwater or seawater are accessible. The SWGH recreates the "hydrologic cycle" by evaporating water from saline water source and regains it as freshwater by condensation. This technology has undergone several stages of improvements and showed a promising practical solution in places lacking freshwater for irrigation. The aim of this study was to provide a comprehensive and up-to-date review on what has been published on SWGH technique. The study also aimed at investigating the success of implementing the principle using the SWGH located in the Sultanate of Oman as a case study. Several research studies have focused on the technical enhancement of SWGH concept, thus proposed a number of modifications to the existing design in order to augment freshwater production. However, a noticeable knowledge gap was observed in the economic aspects of SWGH due to the absence of research interest in this area. The first trial of an insight at the SWGH economics was done in this study. Main finding from this analysis is to reduce the capital costs of the dehumidification unit. On technical aspect, the SWGH is a water conservational tool as it reduces the crop water requirement by almost 67% when compared to open-field cultivation. Freshwater production from the Oman SWGH was ranging between 300 and 600 L/day, having virtually zero-salinity (

Original languageEnglish
Pages (from-to)653-664
Number of pages12
JournalRenewable and Sustainable Energy Reviews
Volume54
DOIs
Publication statusPublished - Feb 1 2016

Fingerprint

Greenhouses
Seawater
Conservation
Irrigation
Water
Regain
Economics
Saline water
Crops
Groundwater
Condensation

Keywords

  • Conservation
  • Freshwater production
  • Seawater greenhouse
  • Solar desalination

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment

Cite this

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abstract = "The recently-evolved seawater greenhouse (SWGH) technology exhibits a promising source of freshwater for irrigation in places where only saline groundwater or seawater are accessible. The SWGH recreates the {"}hydrologic cycle{"} by evaporating water from saline water source and regains it as freshwater by condensation. This technology has undergone several stages of improvements and showed a promising practical solution in places lacking freshwater for irrigation. The aim of this study was to provide a comprehensive and up-to-date review on what has been published on SWGH technique. The study also aimed at investigating the success of implementing the principle using the SWGH located in the Sultanate of Oman as a case study. Several research studies have focused on the technical enhancement of SWGH concept, thus proposed a number of modifications to the existing design in order to augment freshwater production. However, a noticeable knowledge gap was observed in the economic aspects of SWGH due to the absence of research interest in this area. The first trial of an insight at the SWGH economics was done in this study. Main finding from this analysis is to reduce the capital costs of the dehumidification unit. On technical aspect, the SWGH is a water conservational tool as it reduces the crop water requirement by almost 67{\%} when compared to open-field cultivation. Freshwater production from the Oman SWGH was ranging between 300 and 600 L/day, having virtually zero-salinity (",
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