ArticleScientific reports2025
Harnessing conductive materials to reshape sewer microbiomes and mitigate corrosion from sulfide and hydrogen sulfide formation.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Microbiologically Induced Concrete Corrosion: Mechanisms, Key Microorganisms, and Protection Strategies.Microorganisms · 2026Review
- Carbon starvation enhances microbiologically influenced corrosion in marine offshore infrastructures.Frontiers in microbiology · 2026Article
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Authors and funding
2 authors.
Funding
Abstract
Sewer corrosion, primarily driven by sulfate, sulfide, and hydrogen sulfide metabolism, accelerates pipeline deterioration and has been linked to sinkhole formation and road collapses. This study explores the use of nickel (Ni) and iron-based magnetite black (MTB) as conductive lining materials to enhance sulfide, sulfate, and hydrogen sulfide degradation. Lab-scale concrete reactors (CCRs) were constructed with three configurations: 5% Ni-lined, MTB-lined, and 100% Portland cement. The experiment was conducted in 12 cycles. Results showed that both Ni- and MTB-lined CCRs significantly improved sulfate removal efficiency, achieving complete sulfate depletion by the 10th and 11th experimental cycles, respectively. The MTB-lined CCR exhibited the highest sulfide and hydrogen sulfide removal capacity, reducing sulfide concentrations by 99% while also suppressing sulfide emission to a maximum of 100 mg/L, compared to the Ni-lined CCR (134 mg/L) and Portland (155 mg/L). This substantial performance is attributed to the synergistic activity of sulfate-oxidizing and sulfate-reducing bacteria, along with contributions from non-sulfur-metabolizing bacteria. Furthermore, methanogens actively consumed sulfide, supported by enhanced electron transfer through Ni and MTB conductive materials. These findings highlight the potential of conductive material linings to mitigate sulfide-induced sewer corrosion, offering a sustainable approach for improving sewer infrastructure durability.
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