Potential of coupling anaerobic digestion with thermochemical technologies for waste valorization

Vineet Singh Sikarwar*, Michael Pohořelý, Erik Meers, Siarhei Skoblia, Jaroslav Moško, Michal Jeremiáš

*Corresponding author for this work

Research output: Contribution to journalReview Articlepeer-review

67 Citations (Scopus)

Abstract

Rising wastes due to all round development can emphatically be seen in today's world. Cutting edge and innovative waste processing technologies such as integration of anaerobic digestion (AD) with thermochemical processes (pyrolysis, gasification and hydrothermal carbonization) are required to decrease the adverse effects of wastes on environment and health, and to enhance the resource efficiency. The coupling of two or more technologies can not only offset the limitations of each other but can also act as a driving force to encourage the circular economy. This paper delivers an evaluation on the viability of integrating AD with thermochemical processes. The versatility of pyrochar (biochar) is examined as a means to promote it for multiple applications. The concept of integrated process design is proposed to pave a way for future research. This article throws light on different areas of waste valorization via coupling of thermal and biological routes to boost it as a possibly sustainable and green technology.

Original languageEnglish
Article number120533
JournalFuel
Volume294
DOIs
Publication statusPublished - 15 Jun 2021
MoE publication typeA2 Review article in a scientific journal

Funding

This work was supported by the Ministry of Education Youth and Sports of the Czech Republic (Specific university research) [A1_FTOP_2021_004], and the Academy of Sciences of the Czech Republic [AV 21 – Efficient energy transformation and storage]. EM is thankful for the funding support by NUTRI2CYCLE project.

Keywords

  • Anaerobic digestion
  • Integrated process design
  • Pyrochar
  • Thermochemical technologies
  • Waste valorization

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