Skip to main content
Top
Published in: Clean Technologies and Environmental Policy 5/2020

23-05-2020 | Original Research

Pyrolyzed waste stream and biochar performance evaluation in food waste anaerobic digestion

Authors: Abdulmoseen Segun Giwa, Xiaoqian Zhang, Heng Xu, Mohammadtaghi Vakili, Jing Yuan, Kaijun Wang

Published in: Clean Technologies and Environmental Policy | Issue 5/2020

Log in

Activate our intelligent search to find suitable subject content or patents.

search-config
loading …

Abstract

The requirements for enhanced technologies, such as pyrolysis and anaerobic digestion, are crucial to improve food waste and sewage sludge and address the difficulty in disposing of hardly biodegradable residues. The pyrolysis process was applied to two waste streams, namely hardly biodegradable residues and sewage sludge, at 500 °C with a heating rate of 25 °C min−1 to obtain hardly biodegradable residues biochar (DBR-Char) and sewage sludge biochar (SS-Char). The two biochars were then used as additives during anaerobic digestion of food waste treatment to enhance biogas production and reactor robustness to achieve average methane contents in biogas up to 75% compared with the control. Biochar addition also improved process stability, with the Methanosaeta/Methanothrix 99.55% in the CK1 (reactor with inoculum, food waste, and DBR-Char) and 98.13% in the CK2 (reactor with inoculum, food waste, and SS-Char) as the dominant genera among the anaerobic consortia. This study averted the hardly biodegradable residues and sewage sludge disposal challenges via pyrolysis and offered biochar utilization to promote reactor stability and biogas production in food waste fermentation.

Graphic abstract

Dont have a licence yet? Then find out more about our products and how to get one now:

Springer Professional "Wirtschaft+Technik"

Online-Abonnement

Mit Springer Professional "Wirtschaft+Technik" erhalten Sie Zugriff auf:

  • über 102.000 Bücher
  • über 537 Zeitschriften

aus folgenden Fachgebieten:

  • Automobil + Motoren
  • Bauwesen + Immobilien
  • Business IT + Informatik
  • Elektrotechnik + Elektronik
  • Energie + Nachhaltigkeit
  • Finance + Banking
  • Management + Führung
  • Marketing + Vertrieb
  • Maschinenbau + Werkstoffe
  • Versicherung + Risiko

Jetzt Wissensvorsprung sichern!

Springer Professional "Technik"

Online-Abonnement

Mit Springer Professional "Technik" erhalten Sie Zugriff auf:

  • über 67.000 Bücher
  • über 390 Zeitschriften

aus folgenden Fachgebieten:

  • Automobil + Motoren
  • Bauwesen + Immobilien
  • Business IT + Informatik
  • Elektrotechnik + Elektronik
  • Energie + Nachhaltigkeit
  • Maschinenbau + Werkstoffe




 

Jetzt Wissensvorsprung sichern!

Appendix
Available only for authorised users
Literature
go back to reference APHA (1995) Standard methods for the examination of water and wastewater, 19th edn. Am Public Heal Assoc, New York APHA (1995) Standard methods for the examination of water and wastewater, 19th edn. Am Public Heal Assoc, New York
go back to reference Cutter LA, van Schie PM, Fletcher M (2003) Adhesion of anaerobic microorganisms to solid surfaces and the effect of sequential attachment on adhesion characteristics. Biofouling 19:9–18CrossRef Cutter LA, van Schie PM, Fletcher M (2003) Adhesion of anaerobic microorganisms to solid surfaces and the effect of sequential attachment on adhesion characteristics. Biofouling 19:9–18CrossRef
go back to reference Lee Y, Park J, Gang KS (2013) Production and characterization of biochar from various biomass materials by slow pyrolysis. Food Fertil Technol Cent 197:1–11 Lee Y, Park J, Gang KS (2013) Production and characterization of biochar from various biomass materials by slow pyrolysis. Food Fertil Technol Cent 197:1–11
go back to reference Rotaru AE, Shrestha PM, Liu F, Shrestha M, Shrestha D, Embree M, Zengler K, Wardman C, Nevin KP, Lovley DR (2014) A new model for electron flow during anaerobic digestion: direct interspecies electron transfer to Methanosaeta for the reduction of carbon dioxide to methane. Energy Environ Sci 7:408–415CrossRef Rotaru AE, Shrestha PM, Liu F, Shrestha M, Shrestha D, Embree M, Zengler K, Wardman C, Nevin KP, Lovley DR (2014) A new model for electron flow during anaerobic digestion: direct interspecies electron transfer to Methanosaeta for the reduction of carbon dioxide to methane. Energy Environ Sci 7:408–415CrossRef
Metadata
Title
Pyrolyzed waste stream and biochar performance evaluation in food waste anaerobic digestion
Authors
Abdulmoseen Segun Giwa
Xiaoqian Zhang
Heng Xu
Mohammadtaghi Vakili
Jing Yuan
Kaijun Wang
Publication date
23-05-2020
Publisher
Springer Berlin Heidelberg
Published in
Clean Technologies and Environmental Policy / Issue 5/2020
Print ISSN: 1618-954X
Electronic ISSN: 1618-9558
DOI
https://doi.org/10.1007/s10098-020-01862-7

Other articles of this Issue 5/2020

Clean Technologies and Environmental Policy 5/2020 Go to the issue