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Application oriented bioaugmentation processes: Mechanism, performance improvement and scale-up.

Huilin Ma1, Yingxin Zhao1, Kaichao Yang1

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|October 28, 2021
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Summary
This summary is machine-generated.

Bioaugmentation, introducing specific microbes, enhances wastewater treatment. This review analyzes microbial mechanisms, optimization, and scale-up strategies for effective application.

Keywords:
BioaugmentationImmobilization technologiesMicrobial analysisScale-up applicationWastewater treatment

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Area of Science:

  • Environmental Microbiology
  • Water Treatment Technologies

Background:

  • Bioaugmentation involves introducing specific microbial strains to biological treatment systems to enhance performance.
  • Understanding the microbial community structure is crucial for optimizing bioaugmentation strategies.

Purpose of the Study:

  • To provide a comprehensive review of bioaugmentation mechanisms, optimization methods, and scale-up applications.
  • To analyze the contributions of indigenous and exogenous microbial strains and their impact on system performance.
  • To identify feasible approaches for the successful implementation of bioaugmentation in wastewater treatment.

Main Methods:

  • Critical analysis of microbial community structure and its variation.
  • Review of optimization techniques including operation regulation and immobilization.
  • Evaluation of scale-up strategies from laboratory to full-scale application.

Main Results:

  • Clarified the relationship between microbial community dynamics and wastewater treatment system performance.
  • Identified operation regulation and immobilization as key methods to mitigate bioaugmentation failure.
  • Proposed feasible scale-up pathways including gradual expansion, direct dosing with biofilm, and side-stream reactors.

Conclusions:

  • Bioaugmentation offers significant potential for improving wastewater treatment efficiency.
  • Effective scale-up requires careful consideration of microbial ecology and process engineering.
  • Future research should address remaining challenges for widespread bioaugmentation adoption.