Barth F. Smets

  • Bygningstorvet, 115, 211

    2800 Kgs. Lyngby



Research activity per year

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Personal profile


I am Professor of Environmental Microbiology

The central tenet in all we do is Microbial Resource Management and Engineering: the bridge between environmental engineering and microbial ecology.

My research group uses both advanced experimental (microscopic, molecular, - omic) tools as well as computational (agent and continuum models) approaches to study fundamental and applied microbial ecological questions, with a focus on mixed microbial communities within environmental engineering application.

This translates in an seemingly wide range of research topics: new biotechnological processes for water purification and used water treatment; the engineered nitrogen cycle: applications and fundamentals with focus on autotrophic processes, laughing gas, anammox processes; link between community dynamics and system performance and stability; bacterial adhesion & biofilm formation; bioelectrochemical systems, horizontal gene transfer in microbial communities and the fate of ARGs; mathematical modelling of microbial processes and interactions; new biofilm/bioaggregate based reactors; the new wastewater management paradigm.

I coordinate the METLab ( ) research team and the Microbial Ecology Research Group ( My official webpage is .

Other information

Employment & Work Experience in USA, Belgium, Denmark, Sweden, Japan,  China, South Korea, Hungary

External positions

Asst./Assoc. Professor, University of Connecticut, USA


Asst. Professor/Res. Associate, Clemson University, ÙSA


Res. Assistant, University of Illinois



  • User defined:
  • microbial ecology
  • microbial resources
  • microbial invasion
  • Horizontal gene transfer
  • biodegradation
  • nitrogen
  • used water
  • environmental biotechnology
  • Antimicrobial resistance
  • biofilms
  • systems microbiology


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