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Continuous flow solar thermal pasteurization of drinking water: Methods, devices, microbiology, and analysis

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  • Abraham, J.P.
  • Plourde, B.D.
  • Minkowycz, W.J.

Abstract

The ability to simply and robustly pasteurize drinking water would present tremendous worldwide human health benefits. Ingestion of unsafe drinking water is a leading cause of sickness and death in the developing world. A simple method to use concentrated solar power is presented here with two complimentary numerical models. The first model allows a prediction of water temperatures within the concentrator and enables a user to vary operating parameters to assess the impact on the temperatures. The second model relates the temperatures to pathogen inactivation kinetics so that predictions of pathogen populations can be made. It is found that with a modest size system that includes a parabolic trough concentrator, a thermally activated valve, and a fluid-to-fluid heat exchanger, near complete pathogen inactivation can be achieved. Comparisons are made between simulated and experimentally determined temperatures. The comparison demonstrates the veracity of the model.

Suggested Citation

  • Abraham, J.P. & Plourde, B.D. & Minkowycz, W.J., 2015. "Continuous flow solar thermal pasteurization of drinking water: Methods, devices, microbiology, and analysis," Renewable Energy, Elsevier, vol. 81(C), pages 795-803.
    • Handle: RePEc:eee:renene:v:81:y:2015:i:c:p:795-803
    DOI: 10.1016/j.renene.2015.03.086
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    References listed on IDEAS

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    Cited by:

    1. Yao, Haichen & Liu, Xianglei & Luo, Qingyang & Xu, Qiao & Tian, Yang & Ren, Tianze & Zheng, Hangbin & Gao, Ke & Dang, Chunzhuo & Xuan, Yimin & Liu, Zhan & Yang, Xiaohu & Ding, Yulong, 2022. "Experimental and numerical investigations of solar charging performances of 3D porous skeleton based latent heat storage devices," Applied Energy, Elsevier, vol. 320(C).
    2. Manfrida, Giampaolo & Petela, Karolina & Rossi, Federico, 2017. "Natural circulation solar thermal system for water disinfection," Energy, Elsevier, vol. 141(C), pages 1204-1214.
    3. Carielo da Silva, Gustavo & Tiba, Chigueru & Calazans, Glícia Maria Torres, 2016. "Solar pasteurizer for the microbiological decontamination of water," Renewable Energy, Elsevier, vol. 87(P1), pages 711-719.
    4. Nicola Dainelli & Giampaolo Manfrida & Karolina Petela & Federico Rossi, 2017. "Exergo-Economic Evaluation of the Cost for Solar Thermal Depuration of Water," Energies, MDPI, vol. 10(9), pages 1-19, September.
    5. Ma, Sainan & Chiu, Chun Pang & Zhu, Yujiao & Tang, Chun Yin & Long, Hui & Qarony, Wayesh & Zhao, Xinhua & Zhang, Xuming & Lo, Wai Hung & Tsang, Yuen Hong, 2017. "Recycled waste black polyurethane sponges for solar vapor generation and distillation," Applied Energy, Elsevier, vol. 206(C), pages 63-69.

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