Cited by 173Anaerobic Digestion and Biogas ProductionLandfill Environmental Impact StudiesBiofuel production and bioconversion

RETRACTED ARTICLE: Factors influencing volatile fatty acids production from food wastes via anaerobic digestion

Open access
Lukitawesa, Patinvoh, Regina J., Millati, Ria, Sárvári-Horváth, Ilona, Taherzadeh, Mohammad J.·2020·Bioengineered

Abstract

Volatile fatty acids (VFAs) are intermediate products in anaerobic digestion. The effect of substrate loading or inoculum to substrate ratio (ISR), the addition of methanogen inhibitor, O2 presence, control the reactor’s pH, and inoculum adaptation on the VFAs production from food waste through acidogenesis process was investigated in this study. Addition of 2-bromoethane sulfonic (BES) as methanogen inhibitor suppressed VFA consumption by methanogens at ISR 1:1. At higher substrate loading (ISR 1:3), methane production can be suppressed even without the addition of BES. However, at high substrate loading, controlling the pH during acidogenesis is important to achieve high VFAs yield. Acclimatization of inoculum is also one of the strategies to achieve high VFA yield. The highest VFAs yield obtained in this work was 0.8 g VFA/g VS added at ISR 1:3, controlled pH at 6, with the presence of initial O2 (headspace unflushed).

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Crossref · 10.1080/21655979.2019.1703544This paper is marked retracted.

Cites

49 of 49 references verified0 citation errors · 0 not checkable

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  • The highest yield of VFA (0.8 g VFA/g VS) was achieved at an inoculum to substrate ratio of 1:3.

    “The highest yield of VFA (0.8 g VFA/g VS) was achieved at an inoculum to substrate ratio of 1:3 [34].”

    From Food Waste Biorefinery: Pathway towards Circular Bioeconomy (2021) · cites this paper as [34]

  • Patinvoh et al. observed that the yield of VFAs was enhanced by controlling the pH of the acidogenesis process at pH 6 during anaerobic digestion of food waste.

    “A study carried out by Patinvoh et al. [34] observed that the yield of VFAs was enhanced by controlling the pH of acidogenesis process (at pH 6) during the anaerobic digestion of food waste [34].”

    From Food Waste Biorefinery: Pathway towards Circular Bioeconomy (2021) · cites this paper as [34]

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Cites

1 retracted

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Research works printed but not linked: 2

  1. [2]Directive C. Council directive 75/442/eec of 15 july 1975 on waste. Off J L. 1975; 194: 0039– 0041.
  2. [3]Directive C. Council directive 1999/31/ec on the landfill of waste. Off J L. 1999; 182: 0001– 0019.

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Authors
Lukitawesa, Patinvoh, R. J., Millati, R., Sárvári-Horváth, I., & Taherzadeh, M. J.
Affiliations
  • University of Borås
  • Lagos State University (NG)
  • Universitas Gadjah Mada (ID)
  • University of Borås (SE)
Venue
Bioengineered
Published
2019-12-27
Volume
11
Issue
1
Pages
39-52
ISSN
  • 2165-5979 (ISSN-L)
  • 2165-5987
OpenAlex
W2997433322
Cited by
173
References
49
Citations by year
2026: 17 · 2025: 27 · 2024: 27 · 2023: 24 · 2022: 41 · 2021: 26 · 2020: 11
FWCI
13.06
Type
journal article
Language
en
Status
Retracted
Open access
Locations
  • Bioengineered (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Swedish Research Council (N/A)
  • Indonesia Endowment Fund for Education (PRJ-293/LPDP/2015)
Topics
  • Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Landfill Environmental Impact Studies
  • Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
Keywords
volatile fatty acids, food waste, anaerobic digestion, acidogenesis, methanogen inhibition, inoculum to substrate ratio, substrate loading, pH control, methane suppression, oxygen presence
MeSH terms
Anaerobiosis, Bacteria, Biodegradation, Environmental, Biotechnology, Digestion, Fatty Acids, Volatile, Fermentation, Food Analysis, Hydrogen-Ion Concentration, Waste Products, Bioreactors

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