ArticleBiotechnology for biofuels2019
Formation of phenylacetic acid and phenylpropionic acid under different overload conditions during mesophilic and thermophilic anaerobic digestion.
Article in Biotechnology for biofuels, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 26 citations in OpenAlex.
- Phenyl Acid Induced Inhibition of Methanogenesis in COEnvironmental microbiology reports · 2025Article
- Pre-treatment with Trichoderma viride: Towards a better understanding of its consequences for anaerobic digestion.Environmental microbiology reports · 2024Article
- Meso- and thermophilic posttreatment of press water coming from a thermophilic municipal solid waste digester.Biotechnology and bioengineering · 2024Article
- Article
- Effects of phenyl acids on different degradation phases during thermophilic anaerobic digestion.Frontiers in microbiology · 2023Article
- Lignin intermediates lead to phenyl acid formation and microbial community shifts in meso- and thermophilic batch reactors.Biotechnology for biofuels · 2021Article
- Mechanism of the Immunomodulatory Effect of the Combination of LiveFrontiers in immunology · 2021Article
- Effect of sulfate addition on carbon flow and microbial community composition during thermophilic digestion of cellulose.Applied microbiology and biotechnology · 2020Article
- pH and Phosphate Induced Shifts in Carbon Flow and Microbial Community during Thermophilic Anaerobic Digestion.Microorganisms · 2020Article
- Microbial community dynamics in mesophilic and thermophilic batch reactors under methanogenic, phenyl acid-forming conditions.Biotechnology for biofuels · 2020Article
- Soil-Derived Inocula Enhance Methane Production and Counteract Common Process Failures During Anaerobic Digestion.Frontiers in microbiology · 2020Article
- Microbial and Phenyl Acid Dynamics during the Start-up Phase of Anaerobic Straw Degradation in Meso- and Thermophilic Batch Reactors.Microorganisms · 2019Article
- Medium Preparation for the Cultivation of Microorganisms under Strictly Anaerobic/Anoxic Conditions.Journal of visualized experiments : JoVE · 2019Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
backgroundSubstrate spectra for anaerobic digestion have been broadened in the past decade, inter alia, due to the application of different pretreatment strategies and now include materials rich in lignocellulose, protein, and/or fat. The application of these substrates, however, also entails risks regarding the formation of undesired by-products, among which phenolic compounds are known to accumulate under unfavorable digestion conditions.
methodsDifferent states of overload were simulated in batch experiments while reviewing the generation of phenyl acids out of different lab-use substrates in order to evaluate the impact on biogas and methane production as well as some additional process performance parameters under defined laboratory conditions. Investigations were conducted under both mesophilic and thermophilic conditions.
resultsIt could be shown that the tested input materials led to the formation of phenyl acids in a substrate-dependent manner with the formation itself being less temperature driven. Once formed, the formation of phenyl acids turned out to be a reversible process.
conclusionsAlthough a mandatory negative impact of phenyl acids per se on the anaerobic digestion process in general and the methanogenesis process in particular could not be proven, phenyl acids, however, seem to play an important role in the microbial response to overloaded biogas systems.
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