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Finding Knowledge Gaps in Aerobic Granulation Technology.

Saurabh Jyoti Sarma1, Joo Hwa Tay1, Angus Chu1

  • 1Department of Civil Engineering, Schulich School of Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada.

Trends in Biotechnology
|August 9, 2016
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Summary

This review highlights knowledge gaps in aerobic granulation technology. Future research should focus on extracellular polymeric substances (EPSs), nutrient removal, and emerging contaminant behaviors for improved wastewater treatment.

Keywords:
aerobic granulesautoinducerschelating agentsemerging contaminantsextracellular polymeric substancesquorum quenching

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Area of Science:

  • Environmental Engineering
  • Microbiology
  • Biotechnology

Background:

  • Aerobic granulation technology is a promising approach for wastewater treatment.
  • Understanding the factors influencing granule stability and performance is crucial for its widespread application.

Purpose of the Study:

  • To identify current knowledge gaps in aerobic granulation technology.
  • To propose key areas for future research to optimize the process.

Main Methods:

  • Literature review of existing studies on aerobic granulation.
  • Analysis of challenges and limitations in current aerobic granulation processes.

Main Results:

  • Characterization of extracellular polymeric substances (EPSs) and their interactions requires further study.
  • The role of chelating agents in EPS destabilization needs elucidation.
  • Early detection of quorum-quenching enzymes is essential to prevent granule segregation.
  • Supplementation with volatile fatty acids and provision of anoxic/anaerobic conditions can enhance nutrient removal.
  • Further investigation into the behavior of emerging contaminants within granules is necessary.

Conclusions:

  • Addressing these knowledge gaps will advance aerobic granulation technology.
  • Optimized granule stability and enhanced nutrient removal are achievable.
  • Improved understanding of contaminant fate within granules is critical for effective wastewater treatment.