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Applications of Supercritical Water in Waste Treatment and Valorization: A Review

Author

Listed:
  • Nadjiba Benmakhlouf

    (Environmental Process Engineering Laboratory, University Constantine 3, Constantine 25000, Algeria)

  • Nawel Outili

    (Environmental Process Engineering Laboratory, University Constantine 3, Constantine 25000, Algeria)

  • Belén García-Jarana

    (Department of Chemical Engineering and Food Technology, University of Cadiz, 11003 Cádiz, Spain)

  • Jezabel Sánchez-Oneto

    (Department of Chemical Engineering and Food Technology, University of Cadiz, 11003 Cádiz, Spain)

  • Juan R. Portela

    (Department of Chemical Engineering and Food Technology, University of Cadiz, 11003 Cádiz, Spain)

  • Mejdi Jeguirim

    (Institut de Sciences des Matériaux de Mulhouse, Université de Haute-Alsace, 68100 Mulhouse, France)

  • Abdeslam-Hassen Meniai

    (Environmental Process Engineering Laboratory, University Constantine 3, Constantine 25000, Algeria)

Abstract

The present review deals with water applications in sub and supercritical conditions with a focus on supercritical water oxidation process (SCWO) as an example of high temperature and pressure technologies. It starts by presenting the advantages of water properties near and beyond the critical point and the major applications exploiting them. Then, it presents a review on SCWO from the description of the process, the reaction mechanism and kinetics to reactor design and modeling. It also presents the main problems and difficulties that delay the SCWO industrial application, and summarizes the main efforts and research to overcome them for a safe, efficient and economic process.

Suggested Citation

  • Nadjiba Benmakhlouf & Nawel Outili & Belén García-Jarana & Jezabel Sánchez-Oneto & Juan R. Portela & Mejdi Jeguirim & Abdeslam-Hassen Meniai, 2023. "Applications of Supercritical Water in Waste Treatment and Valorization: A Review," Energies, MDPI, vol. 16(4), pages 1-32, February.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:4:p:2081-:d:1074970
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