ArticleFrontiers in bioengineering and biotechnology2022
Comparison of different small molecular weight alcohols for sustaining sulfidogenic bioreactors maintained at moderately low pH.
Article in Frontiers in bioengineering and biotechnology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Low-pH sulfate reduction in acid mine drainage treatment systems: implications for acidophilic and acid-tolerant sulfate-reducing bacteria - a systematic review.Biodegradation · 2026Pooled it
- Effects and Adaptive Responses of Sulfate-Reducing Biochemical System to Acid Stress.Biomolecules · 2026Article
- Cascade Responses of Microbial Communities To Alcohols and Organic Acids in a Marine Microcosm Experiment.Current microbiology · 2025Article
- Acidophilic sulphate-reducing bacteria: Diversity, ecophysiology, and applications.Environmental microbiology reports · 2024Review
- Purification and use of crude green glycerol from the transesterification of triglycerides in the formulation of an alcohol gel hand sanitizer.Scientific reports · 2024Article
- Comparison of two acidophilic sulfidogenic consortia for the treatment of acidic mine water.Frontiers in bioengineering and biotechnology · 2022Article
Corrections and comments
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Authors and funding
2 authors.
Funding
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Abstract
Sulfate-reducing bacteria (SRB) catalyse the dissimilatory reduction of sulfate to hydrogen sulfide using a wide range of small molecular weight organic compounds, and hydrogen, as electron donors. Here we report the effects of different combinations of small molecular weight alcohols on the performance and bacterial composition of a moderately low pH sulfidogenic bioreactor (pH 4.0-5.5) operated at 35°C in continuous flow mode. Ethanol alone and methanol or ethanol used in combination with glycerol were evaluated based on their equivalent amounts of carbon. Although evidenced that methanol was utilised as electron donor to fuel sulfidogenesis at pH 5.5, rates of sulfate reduction/sulfide production were negatively impacted when this alcohol was first introduced to the system, though these rates increased in subsequent phases as a result of adaptation of the microbial community. Further increased dosage of methanol again caused rates of sulfidogenesis to decrease. Methanol addition resulted in perturbations of the bioreactor microbial community, and species not previously detected were present in relatively large abundance, including the sulfate-reducer
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