2022 - Research.com Biology and Biochemistry in Denmark Leader Award
Per Halkjær Nielsen spends much of his time researching Activated sludge, Bacteria, Biochemistry, Sewage treatment and Wastewater. Per Halkjær Nielsen interconnects Microorganism, Chromatography, Extracellular polymeric substance, Lipase and Dewatering in the investigation of issues within Activated sludge. His Bacteria research incorporates themes from Botany and Microbiology.
Per Halkjær Nielsen studied Biochemistry and Microbial metabolism that intersect with Stable-isotope probing and Substrate. His research in Sewage treatment intersects with topics in Biomass, Ecology, Clarifier, Microbial ecology and Pulp and paper industry. His Wastewater research is multidisciplinary, relying on both Environmental chemistry, Organic matter and Effluent.
The scientist’s investigation covers issues in Activated sludge, Bacteria, Microbiology, Sewage treatment and Biochemistry. The concepts of his Activated sludge study are interwoven with issues in Microorganism and Pulp and paper industry. His work in Bacteria addresses issues such as Metagenomics, which are connected to fields such as Computational biology.
His Microbiology research is multidisciplinary, incorporating perspectives in Actinobacteria and Biofilm. He has included themes like Wastewater and Ecology, Anoxic waters in his Sewage treatment study. His Wastewater research focuses on subjects like Environmental chemistry, which are linked to Anaerobic exercise.
Per Halkjær Nielsen mostly deals with Sewage treatment, Activated sludge, Enhanced biological phosphorus removal, Microorganism and Biochemistry. His Sewage treatment study incorporates themes from Ecology, Ecosystem, Wastewater, Anaerobic digestion and Pulp and paper industry. The Activated sludge study combines topics in areas such as Chloroflexi, Fouling and Botany.
His study explores the link between Enhanced biological phosphorus removal and topics such as Anoxic waters that cross with problems in Denitrifying bacteria. His Biochemistry research incorporates elements of Nitrite and Bacteria. His research in Bacteria focuses on subjects like Metagenomics, which are connected to Function.
His primary areas of study are Enhanced biological phosphorus removal, Activated sludge, Candidatus Accumulibacter, Biochemistry and Sewage treatment. His Enhanced biological phosphorus removal research includes elements of Phosphorus and Microbiology. His study in Activated sludge is interdisciplinary in nature, drawing from both Anaerobic exercise, Chemical engineering and Fouling.
The study incorporates disciplines such as Polyphosphate-accumulating organisms, Environmental chemistry, Anoxic waters and Candidatus Accumulibacter phosphatis in addition to Candidatus Accumulibacter. His research integrates issues of Nitrite and Bacteria in his study of Biochemistry. He has researched Sewage treatment in several fields, including Ecology, Ecosystem, Biotechnology, Wastewater and Taxonomic rank.
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Extraction of extracellular polymers from activated sludge using a cation exchange resin
Bo Frølund;Rikke Palmgren;Kristian Keiding;Per Halkjær Nielsen.
Water Research (1996)
Enzymatic activity in the activated-sludge floc matrix
B. Frølund;T. Griebe;P. H. Nielsen.
Applied Microbiology and Biotechnology (1995)
Complete nitrification by Nitrospira bacteria
Holger Daims;Elena V. Lebedeva;Petra Pjevac;Ping Han.
Genome sequences of rare, uncultured bacteria obtained by differential coverage binning of multiple metagenomes
Mads Albertsen;Philip Hugenholtz;Adam Skarshewski;Kåre Lehmann Nielsen.
Nature Biotechnology (2013)
Complete nitrification by a single microorganism
Maartje A. H. J. van Kessel;Daan R. Speth;Mads Albertsen;Per Halkjær Nielsen.
In Situ Characterization of Nitrospira-Like Nitrite-Oxidizing Bacteria Active in Wastewater Treatment Plants
Holger Daims;Jeppe L. Nielsen;Per H. Nielsen;Karl-Heinz Schleifer.
Applied and Environmental Microbiology (2001)
Combination of fluorescent in situ hybridization and microautoradiography-a new tool for structure-function analyses in microbial ecology
Natuscka Lee;Per Halkjær Nielsen;Kjær Holm Andreasen;Stefan Juretschko.
Applied and Environmental Microbiology (1999)
Measurement of pools of protein, carbohydrate and lipid in domestic wastewater
Kamma Raunkjær;Thorkild Hvitved-Jacobsen;Per Halkjær Nielsen.
Water Research (1994)
Microbial Ecology of Activated Sludge
Robert Seviour;Per Halkjær Nielsen.
Water intelligence online (2010)
Role of sulfate‐reducing bacteria in corrosion of mild steel: A review
Whonchee Lee;Zbigniew Lewandowski;P. H. Nielsen;W. A. Hamilton.
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