Solar-Driven Desalination Using Nanoparticles

Dmitrii M. Kuzmenkov, Pavel G. Struchalin, Andrey V. Olkhovskii, Vladimir S. Yunin, Kirill V. Kutsenko and Boris V. Balakin
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Dmitrii M. Kuzmenkov: Department of Thermal Physics, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
Pavel G. Struchalin: Department of Mechanical and Marine Engineering, Western Norway University of Applied Sciences, 5063 Bergen, Norway
Andrey V. Olkhovskii: Department of Thermal Physics, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
Vladimir S. Yunin: Department of Thermal Physics, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
Kirill V. Kutsenko: Department of Thermal Physics, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
Boris V. Balakin: Department of Thermal Physics, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia

Energies, 2021, vol. 14, issue 18, 1-11

Abstract: Due to the high light absorption and the possibility of localizing boiling to the interior of the receiver, nanoparticles are promising for solar-driven desalination. The paper presents an experimental study of the nanoparticle-based photothermal boiling of water with sea salt. The experiments were carried out using a laboratory-scale system with a transparent photothermal receiver of light and a closed condensate cycle. In this study, we tested three types of nanoparticles: multiwall carbon nanotubes with two main sizes of 49 nm and 72 nm, 110 nm iron oxide particles Fe 3 O 4 , and a commercial paste based on carbon nanotubes. The concentration of nanoparticles was varied up to 10% wt. We found that the nanoparticles enhance the steam generation by 23%, relative to a conventional desalinator with a black-body receiver. The best result was obtained for the 5% wt. concentration of carbon nanotubes.

Keywords: photothermal boiling; nanoparticles; solar desalination; desalination (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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