Designing Solar Desalination System by Using Reverse Osmosis-Photovoltaic Method (Brackish Water of Sarband Village, Ardabil)

Document Type : Original Article

Authors

1 MSc. in Civil Engineering- Environmental Engineering, Water Department, Faculty of Civil Engineering and Institute of Environment, University of Tabriz, Tabriz, Iran.

2 Professor, Water Department, Faculty of Civil Engineering and Institute of Environment, University of Tabriz, Tabriz, Iran

3 Professor, Faculty of Chemical Engineering, Sahand University of Technology, Sahand, Iran

4 Associate Professor, Faculty of Electrical Engineering, University of Tabriz and Institute of Environment, Tabriz, Iran

Abstract

‌Water crisis is one of the most important challenges in the future of Iran. Most of the developing countries try to create a balance between their decreasing fresh water resources supply and increasing demand of the growing population. Water desalination technologies are one of the modern technologies in supplying fresh water and they can greatly reduce the water scarcity problems and improve the quality of life. However they generally require a great amount of energy. Using renewable energy sources to empower these technologies is an environmental friendly energy supply method. This research intended to design a solar desalination system that would be suitable for rural area in Ardabil Province, Iran, which can provide enough fresh water to meet the water demands. To this end, Reverse Osmosis - Photovoltaic method has been selected as the proposed method for water desalination. Two WAVE and PVsyst software have been used to model and analyze the Reverse Osmosis and Photovoltaic energy supplying system, respectively. The results showed that TDS measure before and after of desalination were 2117 and 177.86 mg/l, respectively, which lies within the accepted standard ranges. The results for photovoltaic system design showed that in order to produce enough energy for the desalination system, a photovoltaic system with a power of 9.5 kW is needed. It seems that by using of these systems solar desalination plants produce fresh water and decrease the by-products like brine and greenhouse gas. Moreover, it reduces the demand on the power distribution network.

Keywords

References

 
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Journal of Water and Wastewater Science and Engineering
Volume 4, Issue 2
July 2019
Pages 37-46

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History

  • Receive Date: 20 December 2018
  • Revise Date: 07 June 2019
  • Accept Date: 08 June 2019

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