Influence of Sulfate Reducing Bacteria Competition on Wastewater Treatment in Electrochemical Systems
Sulfate reducing bacteria(SRB)is a kind of bacteria widely existing in the water environment,which plays an important role in the wastewater treatment process.Bacterial competition in the water treatment process is a common microbial behavior,and it is also a method to improve wastewater treatment efficiency.However,the regulation of SRB flora is affected by many factors in its practical application,which makes it difficult to control.In recent years,the introduction of electrochemistry can interfere with the electron transfer process of SRB flora,and can improve sulfate removal efficiency by regulating the competition process of flora.However,there is a lack of summary on the microbial community behavior of SRB in a water environment and the impact of the microbial electrochemical system on the competitive behavior of SRB.To fill these knowledge gaps,the metabolic behavior of SRB and other flora,the utilization of electron donors by SRB and the factors affecting the competition of SRB flora were reviewed in this study.The relationship between electron transfer pathways and the competition of SRB flora in microbial electrochemistry was summarized,and its future development and challenges were comprehensively discussed.
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