Hydrothermal carbonization of off-specification compost: A byproduct of the organic municipal solid waste treatment

Daniele Basso, Elsa Weiss-Hortala, Francesco Patuzzi, Daniele Castello, Marco Baratieri, Luca Fiori*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

99 Citations (Scopus)

Abstract


The possibility to apply the hydrothermal carbonization (HTC) process to off-specification compost (EWC 19.05.03) at present landfilled was investigated in this work. The aim was to produce a carbonaceous solid fuel for energy valorization, with the perspective of using HTC as a complementary technology to common organic waste treatments. Thus, samples of EWC 19.05.03 produced by a composting plant were processed through HTC in a batch reactor. Analytical activities allowed to characterize the HTC products and their yields. The hydrochar was characterized in terms of heating value, thermal stability and C, H, O, N, S and ash content. The liquid phase was characterized in terms of total organic carbon and mineral content. The composition of the gas phase was measured. Results show that the produced hydrochar has a great potentiality for use as solid fuel.
Original languageEnglish
JournalBioresource Technology
Volume182
Pages (from-to)217-224
Number of pages8
ISSN0960-8524
DOIs
Publication statusPublished - Apr 2015
Externally publishedYes

Keywords

  • Biofuel
  • Hydrochar
  • Hydrothermal carbonization
  • Municipal solid waste
  • Organic waste

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