What question did this study set out to answer?

To evaluate the impact of redox mediator AQS and microaeration on LAS biodegradation in anaerobic conditions.

February 26, 2026ChemosphereOpen Access

Redox mediators and microaeration boosting the linear alkylbenzene sulfonate removal

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Authors

MOMaurício Guimarães de OliveiraUniversidade Federal do Ceará VSVicente Elício Porfiro Sales Gonçalves da SilvaUniversidade Federal do Ceará SVS. M. O. L. VASCONCELOSUniversidade Federal do Ceará

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Implication

Experiments demonstrate improved biodegradation performance of linear alkylbenzene in anaerobic conditions, indicating potential for enhanced methane production and microbial community resilience.

Key Points

To evaluate the impact of redox mediator AQS and microaeration on LAS biodegradation in anaerobic conditions.
Conducted experiments with two UASB reactors: strictly anaerobic and micro-aerated.
Evaluated effects with and without AQS addition over a 90-day period.
Measured removal efficiencies for LAS and methane production.
LAS removal improved from 32% to 65% with AQS, and to 77% with microaeration combined with AQS.
Microaeration increased methane production to 5.6 L/day and specific yield to 0.50 LCH4·gCOD-1.
AQS enriched Methanobacterium, contributing to the microbial community shifts observed.

Cite This Study

Oliveira et al. (2026) studied this question.

synapsesocial.com/papers/699f95ba1bc9fecf3dab3d9b https://doi.org/10.1016/j.chemosphere.2026.144878

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Implication

Experiments demonstrate improved biodegradation performance of linear alkylbenzene in anaerobic conditions, indicating potential for enhanced methane production and microbial community resilience.

Redox mediators and microaeration boosting the linear alkylbenzene sulfonate removal

Discussion

Member takes

Implication

Key Points

Cite This Study

Redox mediators and microaeration boosting the linear alkylbenzene sulfonate removal

Discussion

Member takes

Implication

Key Points

Cite This Study

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