Mycelial pellets for alleviation of membrane fouling in membrane bioreactor

Xiao, Xiao; You, Shijie; Guo, Haijuan; Ma, Fang; Zhang, Jinna; Zhang, Ruiyao; Bao, Xiaotong

doi:10.1016/j.memsci.2021.119545

Cited by 19 publications

(5 citation statements)

References 66 publications

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“…It was reported that Proteobacteria was the main phylum in the formation of biocake leading to membrane fouling. 19 The abundance of Proteobacteria in EMBRB (34.74%) was significantly lower than that in CMBRB (42.32%). Proteobacteria belonging to Gram-negative bacteria used AHLs-mediated QS to participate in biocake formation.…”

Section: Resultsmentioning

confidence: 88%

“…Previous studies had reported that Alpthaproteobacteria could secret EPS, in which it relies on the AHLs-mediated QS system. 19 The addition of strain WZL728 reduced the concentration of AHLs in EMBRB, inhibited the EPS secretion of Alpthaproteobacteria . Sphingobacteriia belonging to Bacteroidetes was able to further aggravate membrane fouling.…”

Section: Resultsmentioning

confidence: 98%

“…Strain WZL728 limited the involvement of Proteobacteria in the formation of biocake by QQ, which contributed to slow down membrane fouling of EMBR. 19 Bacteroidetes was another widespread phylum in wastewater biological treatment systems and main microorganisms contributing to membrane biofouling, which could accelerate the membrane fouling process by attaching to the membrane through its pilus. 7 Similarly, Bacteroidetes also belonged to Gram-negative bacteria.…”

Section: Resultsmentioning

confidence: 99%

Section: Microbial Communitymentioning

confidence: 93%

See 3 more Smart Citations

Bioaugmentation with an aerobic denitrifying bacterium with quorum quenching activity for improved nitrogen removal and reduced membrane fouling in anoxic/oxic membrane bioreactor

Wei

Zhang

et al. 2023

RSC Adv.

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Section: Resultsmentioning

confidence: 88%

Section: Resultsmentioning

confidence: 98%

Section: Resultsmentioning

confidence: 99%

Section: Microbial Communitymentioning

confidence: 93%

See 2 more Smart Citations

Bioaugmentation with an aerobic denitrifying bacterium with quorum quenching activity for improved nitrogen removal and reduced membrane fouling in anoxic/oxic membrane bioreactor

Wei

Zhang

et al. 2023

RSC Adv.

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“…Specifically, Chloroflexota members have been detected in membrane bioreactors acting as soluble microbial product decomposers ( 103 ), this feature being previously demonstrated by the work of Miura et al, who correlated the carbohydrates degradation ability of the system with the concentration of Chloroflexota and stated an imperative Chloroflexota cell concentration above 10% to avoid membrane fouling ( 104 ), suggesting the ecological significance of Chloroflexota members in the reduction of membrane fouling in membrane bioreactors.…”

Section: Biotechnological Relevancementioning

confidence: 85%

The biotechnological potential of the Chloroflexota phylum

Freches,

Fradinho

2024

Appl Environ Microbiol

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In the next decades, the increasing material and energetic demand to support population growth and higher standards of living will amplify the current pressures on ecosystems and will call for greater investments in infrastructures and modern technologies. A valid approach to overcome such future challenges is the employment of sustainable bio-based technologies that explore the metabolic richness of microorganisms. Collectively, the metabolic capabilities of Chloroflexota , spanning aerobic and anaerobic conditions, thermophilic adaptability, anoxygenic photosynthesis, and utilization of toxic compounds as electron acceptors, underscore the phylum’s resilience and ecological significance. These diverse metabolic strategies, driven by the interplay between temperature, oxygen availability, and energy metabolism, exemplify the complex adaptations that enabled Chloroflexota to colonize a wide range of ecological niches. In demonstrating the metabolic richness of the Chloroflexota phylum, specific members exemplify the diverse capabilities of these microorganisms: Chloroflexus aurantiacus showcases adaptability through its thermophilic and phototrophic growth, whereas members of the Anaerolineae class are known for their role in the degradation of complex organic compounds, contributing significantly to the carbon cycle in anaerobic environments, highlighting the phylum’s potential for biotechnological exploitation in varying environmental conditions. In this context, the metabolic diversity of Chloroflexota must be considered a promising asset for a large range of applications. Currently, this bacterial phylum is organized into eight classes possessing different metabolic strategies to survive and thrive in a wide variety of extreme environments. This review correlates the ecological role of Chloroflexota in such environments with the potential application of their metabolisms in biotechnological approaches.

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Direct sludge granulation by applying mycelial pellets in continuous-flow aerobic membrane bioreactor: Performance, granulation process and mechanism

Xiao

You

et al. 2022

Bioresource Technology

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Mycelial pellets for alleviation of membrane fouling in membrane bioreactor

Cited by 19 publications

References 66 publications

Bioaugmentation with an aerobic denitrifying bacterium with quorum quenching activity for improved nitrogen removal and reduced membrane fouling in anoxic/oxic membrane bioreactor

Bioaugmentation with an aerobic denitrifying bacterium with quorum quenching activity for improved nitrogen removal and reduced membrane fouling in anoxic/oxic membrane bioreactor

The biotechnological potential of the Chloroflexota phylum

Direct sludge granulation by applying mycelial pellets in continuous-flow aerobic membrane bioreactor: Performance, granulation process and mechanism

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