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Water Production from Air Conditioning Systems: Some Evaluations about a Sustainable Use of Resources

Author

Listed:
  • Anna Magrini

    (Department of Civil Engineering and Architecture, University of Pavia, 27100 Pavia, Italy)

  • Lucia Cattani

    (SEAS, Societe de l’Eau Aerienne Suisse sa, technical office, via dell’Industria, 13/A, 6826 Riva San Vitale, Switzerland)

  • Marco Cartesegna

    (HVAC Systems Design, Via M.Fanti 17, 16100 Genoa, Italy)

  • Lorenza Magnani

    (Department of Civil Engineering and Architecture, University of Pavia, 27100 Pavia, Italy)

Abstract

An increase in water consumption sustainability can be achieved by means of a smart use of condensed water coming from HVAC system chillers. In the current paper, a preliminary study regarding an integrated HVAC system is presented, which combines air conditioning and water extraction from air. Its design was particularly focused on the optimization between the two said effects, also taking energy efficiency into account. The system behaviour is analysed, taking into account real climatic conditions and in particular those of the Arab Emirates coast. The study of the suitable climatic conditions for this application are outlined. Preliminary calculations show that the water extracted from air, by condensation, can support up to almost half of the needs of the case of study represented by a modern hotel.

Suggested Citation

  • Anna Magrini & Lucia Cattani & Marco Cartesegna & Lorenza Magnani, 2017. "Water Production from Air Conditioning Systems: Some Evaluations about a Sustainable Use of Resources," Sustainability, MDPI, vol. 9(8), pages 1-17, July.
    • Handle: RePEc:gam:jsusta:v:9:y:2017:i:8:p:1309-:d:106119
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    References listed on IDEAS

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    1. Gössling, Stefan & Peeters, Paul & Hall, C. Michael & Ceron, Jean-Paul & Dubois, Ghislain & Lehmann, La Vergne & Scott, Daniel, 2012. "Tourism and water use: Supply, demand, and security. An international review," Tourism Management, Elsevier, vol. 33(1), pages 1-15.
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    Cited by:

    1. Lucia Cattani & Paolo Cattani & Anna Magrini, 2021. "Photovoltaic Cleaning Optimization: A Simplified Theoretical Approach for Air to Water Generator (AWG) System Employment," Energies, MDPI, vol. 14(14), pages 1-17, July.
    2. Nilofar Asim & Marzieh Badiei & Masita Mohammad & Halim Razali & Armin Rajabi & Lim Chin Haw & Mariyam Jameelah Ghazali, 2022. "Sustainability of Heating, Ventilation and Air-Conditioning (HVAC) Systems in Buildings—An Overview," IJERPH, MDPI, vol. 19(2), pages 1-16, January.
    3. Vasco Correia & Pedro D. Silva & Luís C. Pires, 2023. "Energy Requirements and Photovoltaic Area for Atmospheric Water Generation in Different Locations: Lisbon, Pretoria, and Riyadh," Energies, MDPI, vol. 16(13), pages 1-27, July.
    4. Alfonso González González & Justo García-Sanz-Calcedo & David Rodríguez Salgado, 2018. "Quantitative Determination of Potable Cold Water Consumption in German Hospitals," Sustainability, MDPI, vol. 10(4), pages 1-13, March.
    5. Tashtoush, Bourhan & Alshoubaki, Anas, 2023. "Atmospheric water harvesting: A review of techniques, performance, renewable energy solutions, and feasibility," Energy, Elsevier, vol. 280(C).
    6. Lucia Cattani & Anna Magrini & Paolo Cattani, 2021. "Water Extraction from Air: A Proposal for a New Indicator to Compare Air Water Generators Efficiency," Energies, MDPI, vol. 14(1), pages 1-21, January.
    7. Tan, Yong Zen & Han, Le & Chew, Nick Guan Pin & Chow, Wai Hoong & Wang, Rong & Chew, Jia Wei, 2018. "Membrane distillation hybridized with a thermoelectric heat pump for energy-efficient water treatment and space cooling," Applied Energy, Elsevier, vol. 231(C), pages 1079-1088.
    8. Salehi, Ali Akbar & Ghannadi-Maragheh, Mohammad & Torab-Mostaedi, Meisam & Torkaman, Rezvan & Asadollahzadeh, Mehdi, 2020. "A review on the water-energy nexus for drinking water production from humid air," Renewable and Sustainable Energy Reviews, Elsevier, vol. 120(C).
    9. Mohammed Sanjid Thavalengal & Muhammad Ahmad Jamil & Muhammad Mehroz & Ben Bin Xu & Haseeb Yaqoob & Muhammad Sultan & Nida Imtiaz & Muhammad Wakil Shahzad, 2023. "Progress and Prospects of Air Water Harvesting System for Remote Areas: A Comprehensive Review," Energies, MDPI, vol. 16(6), pages 1-27, March.
    10. Amr Elbrashy & Kambiz Vafai & Abdullah Elshennawy & Manar Ayman & Ahmed Elgebaly & Maher Rashad, 2025. "Harvesting of Condensate Water from Air Conditioners in Large Institutions as a Sustainable Resource," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 39(10), pages 5289-5312, August.

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