Cited by 97Anaerobic Digestion and Biogas ProductionMembrane Separation TechnologiesLandfill Environmental Impact Studies

Food waste-derived volatile fatty acids platform using an immersed membrane bioreactor

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Wainaina, Steven, Parchami, Mohsen, Mahboubi, Amir, Horváth, Ilona Sárvári, Taherzadeh, Mohammad J.·2019·Bioresource Technology

Abstract

Volatile fatty acids (VFAs) are the key intermediates from anaerobic digestion (AD) process that can be a platform to synthesize products of higher value than biogas. However, some obstacles still exist that prevent large-scale production and application of VFAs, key among them being the difficulty in recovering the acids from the fermentation medium and low product yields. In this study, a novel anaerobic immersed membrane bioreactor (iMBR) with robust cleaning capabilities, which incorporated frequent backwashing to withstand the complex AD medium, was designed and applied for production and in situ recovery of VFAs. The iMBR was fed with food waste and operated without pH control, achieving a high yield of 0.54 g VFA/g VS added. The continuous VFA recovery process in the iMBR was investigated for 40 days at OLRs of 2 gVS/L/d and 4 gVS/L/d without significant change in the permeate flux at a maximum suspended solids concentration of 31 g/L.

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Crossref · 10.1016/j.biortech.2018.11.104

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  • A continuous recovery of VFAs from food waste by anaerobic immersed membrane bioreactor achieved a highest yield of 0.54 g VFA/g VS.

    “A continuous recovery of VFAs (highest yield of 0.54 g VFA/g VS) from food waste by anaerobic immersed membrane bioreactor was developed [89].”

    From Food Waste Biorefinery: Pathway towards Circular Bioeconomy (2021) · cites this paper as [89]

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Authors
Wainaina, S., Parchami, M., Mahboubi, A., Horváth, I. S., & Taherzadeh, M. J.
Affiliations
University of Borås (SE)
Corresponding author
Taherzadeh, Mohammad J.
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2019-02
Volume
274
Pages
329-334
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2902409971
Cited by
97
References
50
Citations by year
2026: 5 · 2025: 14 · 2024: 10 · 2023: 6 · 2022: 19 · 2021: 22 · 2020: 18 · 2019: 3
FWCI
8.61
Type
journal article
Language
en
Open access
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
  • Diva portal (Dalarna University Library) (submittedVersion, other-oa)
Funders
European Regional Development Fund
Topics
  • Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
  • Physical Sciences › Environmental Science › Water Science and Technology › Membrane Separation Technologies
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Landfill Environmental Impact Studies
Keywords
volatile fatty acids, food waste, anaerobic digestion, backwashing, membrane cleaning, continuous operation, organic loading rate, permeate flux, suspended solids
MeSH terms
Fatty Acids, Volatile, Fermentation, Food, Bioreactors

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