Renewable Energy-Based Water Purification System for Remote Areas

Strategic Insights -

Investigations into the feasibility of utilizing renewable energy to address the global issue of water scarcity have led to the development of innovative water purification systems. A recent study, published in the Energy Science & Engineering journal, proposes a novel approach by combining reverse osmosis technology, solar energy, and water turbine energy recycling to provide access to fresh water for remote villages. The system, designed to operate in areas with high potential for using renewable energy, has shown promising results, with the most efficient mode being the photovoltaic/water turbine/battery/reverse osmosis combination.

Key Takeaways:

  • The study identified the provision of drinking water as a basic human need, with many people worldwide, especially in remote and rural areas, lacking access to fresh water.
  • The researchers developed a water purification system using reverse osmosis technology, solar energy, and water turbine energy recycling, which can increase access to fresh water for people living in remote villages.
  • The system consists of a combination of a reverse osmosis system, solar panel, water turbine, and battery, with three different arrangements investigated: photovoltaic/reverse osmosis, photovoltaic/battery/reverse osmosis, and photovoltaic/water turbine/battery/reverse osmosis.
  • The most efficient mode for purifying drinking water was found to be the photovoltaic/water turbine/battery/reverse osmosis combination, producing a maximum and minimum water desalination amount of 150 and 115 L/day in summer and winter, respectively.
  • The amount of total dissolved solids (TDS) in the output water decreased to 120 ppm.
  • Approximately 48 m3 of drinking water was produced during the project, with the electricity produced from solar panels and water turbine being 242 and 32 kWh, respectively.
  • The most important parameters affecting the responses of freshwater flow rate and salinity of fresh water were found to be feed pressure and salinity of feed water, respectively.

Statistics:

  • Maximum water desalination amount: 150 L/day
  • Minimum water desalination amount: 115 L/day
  • Average amount of TDS in the output water: 120 ppm
  • Total amount of drinking water produced: 48 m3
  • Total electricity produced from solar panels: 242 kWh
  • Total electricity produced from water turbine: 32 kWh
  • Feed pressure: (no specific data provided)
  • Salinity of feed water: (no specific data provided)

Sources:

  • Energy Science & Engineering, "Energy, Exergy, Economic, and Environmental Analysis of the Reverse Osmosis Desalination System Using Photovoltaic Panels and Water Turbine, With the Approach of Design of Experiments," 2025.
  • NewsRx, "Reports from Islamic Azad University Advance Knowledge in Energy Science and Engineering (Energy, Exergy, Economic, and Environmental Analysis of the Reverse Osmosis Desalination System Using Photovoltaic Panels and Water Turbine, With the ...)," Energy Weekly News, July 18, 2025.