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RETRACTED ARTICLE: Factors influencing volatile fatty acids production from food wastes via anaerobic digestion
Open accessAbstract
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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“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]
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“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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Metadata
- 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
- Publisher
- Informa UK Limited
- Published
- 2019-12-27
- Volume
- 11
- Issue
- 1
- Pages
- 39-52
- ISSN
- 2165-5979 (ISSN-L)
- 2165-5987
- PMC
- PMC7571609
- 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
- Update notices
- retraction (2026-01-19)
- Open access
- gold
- doi.org
- 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 › Energy › Renewable Energy, Sustainability and the Environment › 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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