Wet Oxidation as an Advanced and Sustainable Technology for Sludge Treatment and Management: Results from Research Activities and Industrial-Scale Experiences

E. Slavik, R. Galessi, A. Rapisardi, R. Salvetti*, P. Bonzagni, G. Bertanza, L. Menoni, D. Orhon, S. Sözen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

In this article, the effectiveness of an advanced sludge treatment technology (Wet Oxidation, WO) is presented by analyzing experimental studies at the lab scale and data collected during years of industrial-scale activities. The data showed good performances of WO on COD and VSS removal efficiencies—about 65–70% and 95–98%, respectively—and the effect of operating parameters (i.e., temperature and reaction time) on process efficiencies was highlighted. The energy balance of the WO systems indicated that about 90% of the energy entering the system may be recovered. Finally, a techno-economic assessment showed that WO can be a suitable solution for sludge treatment and minimization.

Original languageEnglish
Pages (from-to)1309-1317
Number of pages9
JournalDrying Technology
Volume33
Issue number11
DOIs
Publication statusPublished - 18 Aug 2015

Bibliographical note

Publisher Copyright:
© 2015, Copyright © Taylor & Francis Group, LLC.

Funding

Part of the results presented in this article derive from a project that has received funding from the European Union’s Seventh Programme for research, technological development, and demonstration under grant agreement No. 265156.

FundersFunder number
European Union’s Seventh Programme265156

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 9 - Industry, Innovation, and Infrastructure
      SDG 9 Industry, Innovation, and Infrastructure

    Keywords

    • DUAL TOP®
    • Energy balance
    • Pilot- and industrial-scale
    • Sludge treatment
    • Techno-economical assessment
    • Wet oxidation

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