Phased impact of Fe₃O₄-modified volcanic rock on methanogenesis treating real municipal wastewater under ambient temperature: From electron competition to enhanced methane production.

Shiyong Zhang; Xiuhong Liu; Rong Cheng; Zhipeng Zhang; Qing Yang

doi:10.1016/j.envres.2026.124665

May 8, 2026

Phased impact of Fe₃O₄-modified volcanic rock on methanogenesis treating real municipal wastewater under ambient temperature: From electron competition to enhanced methane production.

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Key Points

This research aims to improve the efficiency of anaerobic methanogenesis using Fe3O4-modified volcanic rock under varying temperatures.
Used Fe3O4-modified volcanic rock in anaerobic treatment of municipal wastewater.
Monitored methanogenesis across different ambient temperatures.
Evaluated the impact of electron competition on methane production.
Enhanced methane production observed at optimized conditions, particularly under ambient temperatures.
Increased resource recovery efficiency from municipal wastewater due to reduced electron competition.
Demonstrated improved methanogenesis compared to traditional methods.

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Implication

Evaluates enhanced methane production in municipal wastewater, suggesting increased efficiency.

Abstract

Anaerobic methanogenesis is a fundamental pathway for resource recovery from municipal wastewater and an effective pretreatment for anaerobic ammonium oxidation. However, its efficiency is frequently constrained by ambient temperature fluctuations and the low organic strength of real municipal wastewater.

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Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a04156479e20c90b4445376 https://doi.org/10.1016/j.envres.2026.124665

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Phased impact of Fe₃O₄-modified volcanic rock on methanogenesis treating real municipal wastewater under ambient temperature: From electron competition to enhanced methane production.

Key Points

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Implication

Abstract

Discussion

Cite This Study

Phased impact of Fe₃O₄-modified volcanic rock on methanogenesis treating real municipal wastewater under ambient temperature: From electron competition to enhanced methane production.

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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