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Professor Per Halkjær Nielsen honored with IWA Ardern-Lockett award

Professor Per Halkjær Nielsen honored with IWA Ardern-Lockett award

Professor Per Halkjær Nielsen, Department of Chemistry and Bioscience, AAU, was recognized for his contributions in the field of Microbial Ecology and Water Engineering at the recent MEWE conference in the Netherlands.

Lagt online: 22.10.2021

Professor Per Halkjær Nielsen was honored with the Ardern-Lockett award at the International Water Association’s recent Microbial Ecology and Water Engineering Specialist Conference (MEWE2021). The conference was held in The Netherlands October 18-20. The award recognizes outstanding contributions to research and practice in the field of Microbial Ecology and Water Engineering, and is named after chemists Edward Arden and William Lockett in recognition of the MEWE Specialist Group’s strong link to the Activated Sludge process, and investigations into the microbial population dynamics of these systems.  

Per Halkjær Nielsen heads the multidisciplinary Center for Microbial Communities at Aalborg University, Denmark. He has a background in Chemistry, Environmental Microbiology, and Engineering and has been active in environmental biotechnology for over 25 years. The main focus has been microbial ecology of biological wastewater treatment systems, bioenergy production, and recovery of nutrients. He has been among the pioneers in the development and implementation of the new DNA sequencing technologies in the water engineering field and has studied in detail the community composition and ecophysiology of process-critical members.

"I am very honored to receive this award that has been given to a distinguished group of men and women, who has made groundbreaking contributions to the field", says Professor Per Halkjær Nielsen. 

Congratulations to Per Halkjær Nielsen for this well-deserved recognition. 

Further information

Read more about Per Halkjær Nielsen and the Ardern-Lockett award


  • Professor Per Halkjær Nielsen, email: phn@bio.aau.dk, tel.: +45 2173 5089
  • Kommunikationsrådgiver Camilla Kristensen, email: cakr@bio.aau.dk, tel.: +45 9940 9905

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