Solar energy desalination for arid coastal regions

Development of a humidification-dehumidification seawater greenhouse

M. F.A. Goosen, S. S. Sablani, C. Paton, J. Perret, A. Al-Nuaimi, I. Haffar, H. Al-Hinai, W. H. Shayya

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

The long-term aim of our research is to develop humidification-dehumidification desalination technology for farms in arid coastal regions that are suffering from salt-infected soils and shortages of potable groundwater. The specific aim of our current study was to determine the influence of greenhouse-related parameters on a process, called Seawater Greenhouse, which combines fresh water production with growth of crops in a greenhouse system. A thermodynamic model was used based on heat and mass balances. The dimension of the greenhouse had the greatest overall effect on the water production and energy consumption. A wide shallow greenhouse, 200 m wide by 50 m deep gave 125 m3 d-1 of fresh water. This was greater than a factor of two compared to the worst-case scenario with the same area (50 m wide by 200 m deep), which gave 58 m3 d-1. Low power consumption went hand-in-hand with high efficiency. The wide shallow greenhouse consumed 1.16 kW h m-3, while the narrow deep structure consumed 5.02 kW h m-3. Analysis of the local climate indicated that the structure should be built facing the NE direction. We are also in the process of building a commercial size Seawater Greenhouse at a site by the sea. The aim is to demonstrate the technology to local farmers and companies in the Arabian Gulf. The system will allow for the reclamation of salt-infected land by not relying, at all, on groundwater resources.

Original languageEnglish
Pages (from-to)413-419
Number of pages7
JournalSolar Energy
Volume75
Issue number5
DOIs
Publication statusPublished - 2003

Fingerprint

Greenhouses
Desalination
Seawater
Solar energy
Water
Salts
Groundwater resources
Reclamation
Farms
Crops
Groundwater
Electric power utilization
Energy utilization
Thermodynamics
Soils
Industry

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Solar energy desalination for arid coastal regions : Development of a humidification-dehumidification seawater greenhouse. / Goosen, M. F.A.; Sablani, S. S.; Paton, C.; Perret, J.; Al-Nuaimi, A.; Haffar, I.; Al-Hinai, H.; Shayya, W. H.

In: Solar Energy, Vol. 75, No. 5, 2003, p. 413-419.

Research output: Contribution to journalArticle

Goosen, M. F.A. ; Sablani, S. S. ; Paton, C. ; Perret, J. ; Al-Nuaimi, A. ; Haffar, I. ; Al-Hinai, H. ; Shayya, W. H. / Solar energy desalination for arid coastal regions : Development of a humidification-dehumidification seawater greenhouse. In: Solar Energy. 2003 ; Vol. 75, No. 5. pp. 413-419.
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