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Elucidating the function and potential inhibitory impact of monovalent cations on assessing the biodegradability of organic substrates in biochemical sulfide potential (BSP) assay

Lin Chen, Di Wu (UGent) and Guanghao Chen
(2024) BIORESOURCE TECHNOLOGY. 393.
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Abstract
The sulfate reagent plays a crucial role as an electron acceptor in the sulfidogenic biodegradation process of the BSP assay for assessing the anaerobic biodegradability of organic substrates. However, the specific role and influence of the monovalent cations (sodium or potassium) in the sulfate reagent remain unknown. To address this gap, a series of batch assays were conducted to investigate the mechanistic effects of Na+ and K+. The results demonstrated that sodium has inhibitory effects on BSP assay when the dosage exceeds 8500 mg/L, whereas no adverse effects were observed in the potassium tests (ranging from 1800 to 14400 mg/L). In fact, the presence of K+ even enhanced the anaerobic biodegradability of organic substrates, and the underlying mechanisms were explored. These findings confirm the influence of cations in the BSP assay for biodegradability assessment and also provide guidance on sulfate dosage strategies for BSP assay application in anaerobic biotechnologies.
Keywords
ANAEROBIC-DIGESTION, SLUDGE, SALINITY, WASTES, Biodegradability assessment, Sulfidogensis, Monovalent cation, Extracellular polymeric substances, Waste activated sludge

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Citation

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MLA
Chen, Lin, et al. “Elucidating the Function and Potential Inhibitory Impact of Monovalent Cations on Assessing the Biodegradability of Organic Substrates in Biochemical Sulfide Potential (BSP) Assay.” BIORESOURCE TECHNOLOGY, vol. 393, 2024, doi:10.1016/j.biortech.2023.129939.
APA
Chen, L., Wu, D., & Chen, G. (2024). Elucidating the function and potential inhibitory impact of monovalent cations on assessing the biodegradability of organic substrates in biochemical sulfide potential (BSP) assay. BIORESOURCE TECHNOLOGY, 393. https://doi.org/10.1016/j.biortech.2023.129939
Chicago author-date
Chen, Lin, Di Wu, and Guanghao Chen. 2024. “Elucidating the Function and Potential Inhibitory Impact of Monovalent Cations on Assessing the Biodegradability of Organic Substrates in Biochemical Sulfide Potential (BSP) Assay.” BIORESOURCE TECHNOLOGY 393. https://doi.org/10.1016/j.biortech.2023.129939.
Chicago author-date (all authors)
Chen, Lin, Di Wu, and Guanghao Chen. 2024. “Elucidating the Function and Potential Inhibitory Impact of Monovalent Cations on Assessing the Biodegradability of Organic Substrates in Biochemical Sulfide Potential (BSP) Assay.” BIORESOURCE TECHNOLOGY 393. doi:10.1016/j.biortech.2023.129939.
Vancouver
1.
Chen L, Wu D, Chen G. Elucidating the function and potential inhibitory impact of monovalent cations on assessing the biodegradability of organic substrates in biochemical sulfide potential (BSP) assay. BIORESOURCE TECHNOLOGY. 2024;393.
IEEE
[1]
L. Chen, D. Wu, and G. Chen, “Elucidating the function and potential inhibitory impact of monovalent cations on assessing the biodegradability of organic substrates in biochemical sulfide potential (BSP) assay,” BIORESOURCE TECHNOLOGY, vol. 393, 2024.
@article{01HXXNF49SYVZ01ETJ57AH0G5D,
  abstract     = {{The sulfate reagent plays a crucial role as an electron acceptor in the sulfidogenic biodegradation process of the BSP assay for assessing the anaerobic biodegradability of organic substrates. However, the specific role and influence of the monovalent cations (sodium or potassium) in the sulfate reagent remain unknown. To address this gap, a series of batch assays were conducted to investigate the mechanistic effects of Na+ and K+. The results demonstrated that sodium has inhibitory effects on BSP assay when the dosage exceeds 8500 mg/L, whereas no adverse effects were observed in the potassium tests (ranging from 1800 to 14400 mg/L). In fact, the presence of K+ even enhanced the anaerobic biodegradability of organic substrates, and the underlying mechanisms were explored. These findings confirm the influence of cations in the BSP assay for biodegradability assessment and also provide guidance on sulfate dosage strategies for BSP assay application in anaerobic biotechnologies.}},
  articleno    = {{129939}},
  author       = {{Chen, Lin and Wu, Di and  Chen, Guanghao}},
  issn         = {{0960-8524}},
  journal      = {{BIORESOURCE TECHNOLOGY}},
  keywords     = {{ANAEROBIC-DIGESTION,SLUDGE,SALINITY,WASTES,Biodegradability assessment,Sulfidogensis,Monovalent cation,Extracellular polymeric substances,Waste activated sludge}},
  language     = {{eng}},
  pages        = {{5}},
  title        = {{Elucidating the function and potential inhibitory impact of monovalent cations on assessing the biodegradability of organic substrates in biochemical sulfide potential (BSP) assay}},
  url          = {{http://doi.org/10.1016/j.biortech.2023.129939}},
  volume       = {{393}},
  year         = {{2024}},
}
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