The availability and purity of water have become critical global challenges. With a significant portion of the Earth's water sources contaminated, innovative solutions are needed to address water scarcity and ensure access to clean drinking water. Solar distillation is an emerging technology that shows promise in water purification. Traditional solar stills, though effective, suffer from limited efficiency and productivity. To overcome these limitations, desiccant-based solar distillation systems have been developed, combining solar heating and desiccant dehumidification principles. This research paper aims to explore the advancements and effectiveness of desiccant-based solar distillation systems in producing clean and fresh water from contaminated sources. The paper presents a comprehensive review of relevant literature, examines the key components of desiccant-based solar distillation systems, investigates the enhancements achieved in water production, energy efficiency, and contaminant removal, and discusses ongoing research to further optimize and scale this technology. Access to clean and potable water is vital for sustaining life on Earth. However, meeting the increasing demand for fresh water has become a significant challenge due to the growing global population and the expanding agricultural and industrial sectors. To bridge the gap between water demand and supply, the development of an efficient and eco-friendly technology is imperative. In this experiment conducted at MMMUT, Gorakhpur, UP, India (latitude 26.45 N and longitude 83.22 E), water distillation was performed using a hybrid liquid desiccant concentration technique on waste water. By varying the concentration ratios between base waste water and hybrid liquid desiccant at 20%, 14%, 12%, and 16%, the production of distilled water was recorded at 515 ml/h, 720 ml/h, 805 ml/h, and 920 ml/h, respectively. The corresponding efficiencies obtained were 6.97, 10.2, 11.73, and 14.46.

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Evaluation and Comparison of Solar Water Distillation Using Liquid Desiccant

  • Hari Krishna,
  • Vijay Kumar Dwivedi,
  • Jeeoot Singh

摘要

The availability and purity of water have become critical global challenges. With a significant portion of the Earth's water sources contaminated, innovative solutions are needed to address water scarcity and ensure access to clean drinking water. Solar distillation is an emerging technology that shows promise in water purification. Traditional solar stills, though effective, suffer from limited efficiency and productivity. To overcome these limitations, desiccant-based solar distillation systems have been developed, combining solar heating and desiccant dehumidification principles. This research paper aims to explore the advancements and effectiveness of desiccant-based solar distillation systems in producing clean and fresh water from contaminated sources. The paper presents a comprehensive review of relevant literature, examines the key components of desiccant-based solar distillation systems, investigates the enhancements achieved in water production, energy efficiency, and contaminant removal, and discusses ongoing research to further optimize and scale this technology. Access to clean and potable water is vital for sustaining life on Earth. However, meeting the increasing demand for fresh water has become a significant challenge due to the growing global population and the expanding agricultural and industrial sectors. To bridge the gap between water demand and supply, the development of an efficient and eco-friendly technology is imperative. In this experiment conducted at MMMUT, Gorakhpur, UP, India (latitude 26.45 N and longitude 83.22 E), water distillation was performed using a hybrid liquid desiccant concentration technique on waste water. By varying the concentration ratios between base waste water and hybrid liquid desiccant at 20%, 14%, 12%, and 16%, the production of distilled water was recorded at 515 ml/h, 720 ml/h, 805 ml/h, and 920 ml/h, respectively. The corresponding efficiencies obtained were 6.97, 10.2, 11.73, and 14.46.