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P. H. Nielsen
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Journal Articles

Influence of shear on nitrification rates in a membrane bioreactor

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M. A. Lou, P. Larsen, P. H. Nielsen, S. N. Bak
Water Sci Technol (2014) 69 (8): 1705–1711.
DOI: https://doi.org/10.2166/wst.2014.070
Date Online: 14 February 2014
View articletitled, Influence of shear on nitrification rates in a membrane bioreactor View PDF for article titled, Influence of shear on nitrification rates in a membrane bioreactor
Journal Articles

Irreversible fouling of membrane bioreactors due to formation of a non-biofilm gel layer

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E. Poorasgari, P. Larsen, X. Zheng, P. H. Nielsen, K. Keiding ...
Water Sci Technol (2014) 69 (8): 1641–1647.
DOI: https://doi.org/10.2166/wst.2014.068
Date Online: 08 February 2014
View articletitled, Irreversible fouling of membrane bioreactors due to formation of a non-biofilm gel layer View PDF for article titled, Irreversible fouling of membrane bioreactors due to formation of a non-biofilm gel layer
Journal Articles

Comparison of nutrient-removing microbial communities in activated sludge from full-scale MBRs and conventional plants

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A. M. Saunders, P. Larsen, P. H. Nielsen
Water Sci Technol (2013) 68 (2): 366–371.
DOI: https://doi.org/10.2166/wst.2013.183
Date Online: 01 July 2013
View articletitled, Comparison of nutrient-removing microbial communities in activated sludge from full-scale MBRs and conventional plants View PDF for article titled, Comparison of nutrient-removing microbial communities in activated sludge from full-scale MBRs and conventional plants
Journal Articles

The Microbial Database for Danish wastewater treatment plants with nutrient removal (MiDas-DK) – a tool for understanding activated sludge population dynamics and community stability

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A. T. Mielczarek, A. M. Saunders, P. Larsen, M. Albertsen, M. Stevenson ...
Water Sci Technol (2013) 67 (11): 2519–2526.
DOI: https://doi.org/10.2166/wst.2013.151
Date Online: 01 June 2013
View articletitled, The Microbial Database for Danish wastewater treatment plants with nutrient removal (MiDas-DK) – a tool for understanding activated sludge population dynamics and community stability View PDF for article titled, The Microbial Database for Danish wastewater treatment plants with nutrient removal (MiDas-DK) – a tool for understanding activated sludge population dynamics and community stability
Journal Articles

Digging into the extracellular matrix of a complex microbial community using a combined metagenomic and metaproteomic approach

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M. Albertsen, A. Stensballe, K. L. Nielsen, P. H. Nielsen
Water Sci Technol (2013) 67 (7): 1650–1656.
DOI: https://doi.org/10.2166/wst.2013.030
Date Online: 01 April 2013
View articletitled, Digging into the extracellular matrix of a complex microbial community using a combined metagenomic and metaproteomic approach View PDF for article titled, Digging into the extracellular matrix of a complex microbial community using a combined metagenomic and metaproteomic approach
Journal Articles

Full-scale control of Mycolata foam by FEX-120 addition

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C. Kragelund, B. Nilsson, K. Eskilsson, A. M. Bøgh, P. H. Nielsen
Water Sci Technol (2010) 61 (10): 2443–2450.
DOI: https://doi.org/10.2166/wst.2010.210
Date Online: 01 May 2010
View articletitled, Full-scale control of Mycolata foam by FEX-120 addition View PDF for article titled, Full-scale control of Mycolata foam by FEX-120 addition
Journal Articles

Monitoring and troubleshooting of non-filamentous settling and dewatering problems in an industrial activated sludge treatment plant

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B. V. Kjellerup, K. Keiding, P. H. Nielsen
Water Sci Technol (2001) 44 (2-3): 155–162.
DOI: https://doi.org/10.2166/wst.2001.0765
Date Online: 01 July 2001
View articletitled, Monitoring and troubleshooting of non-filamentous settling and dewatering problems in an industrial activated sludge treatment plant View PDF for article titled, Monitoring and troubleshooting of non-filamentous settling and dewatering problems in an industrial activated sludge treatment plant
Journal Articles

Remember the water - a comment on EPS colligative properties

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K. Keiding, L. Wybrandt, P. H. Nielsen
Water Sci Technol (2001) 43 (6): 17–23.
DOI: https://doi.org/10.2166/wst.2001.0330
Date Online: 01 March 2001
View articletitled, Remember the water - a comment on EPS colligative properties View PDF for article titled, Remember the water - a comment on EPS colligative properties
Journal Articles

Quantification of the bond energy of bacteria attached to activated sludge floc surfaces

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L. H. Mikkelsen, P. H. Nielsen
Water Sci Technol (2001) 43 (6): 67–75.
DOI: https://doi.org/10.2166/wst.2001.0342
Date Online: 01 March 2001
View articletitled, Quantification of the bond energy of bacteria attached to activated sludge floc surfaces View PDF for article titled, Quantification of the bond energy of bacteria attached to activated sludge floc surfaces
Journal Articles

In situ detection of cell surface hydrophobicity of probe-defined bacteria in activated sludge

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J. L. Nielsen, L. H. Mikkelsen, P. H. Nielsen
Water Sci Technol (2001) 43 (6): 97–103.
DOI: https://doi.org/10.2166/wst.2001.0349
Date Online: 01 March 2001
View articletitled, In situ detection of cell surface hydrophobicity of probe-defined bacteria in activated sludge View PDF for article titled, In situ detection of cell surface hydrophobicity of probe-defined bacteria in activated sludge
Journal Articles

Transformation of lipids in activated sludge

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T. E. Dueholm, K. H. Andreasen, P. H. Nielsen
Water Sci Technol (2001) 43 (1): 165–172.
DOI: https://doi.org/10.2166/wst.2001.0040
Date Online: 01 January 2001
View articletitled, Transformation of lipids in activated sludge View PDF for article titled, Transformation of lipids in activated sludge
Journal Articles

Use of microautoradiography and fluorescent in situ hybridization for characterization of microbial activity in activated sludge

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P. H. Nielsen, K. Andreasen, N. Lee, M. Wagner
Water Sci Technol (1999) 39 (1): 1–9.
DOI: https://doi.org/10.2166/wst.1999.0001
Date Online: 01 January 1999
View articletitled, Use of microautoradiography and fluorescent in situ hybridization for characterization of microbial activity in activated sludge View PDF for article titled, Use of microautoradiography and fluorescent in situ hybridization for characterization of microbial activity in activated sludge
Journal Articles

Variability of type 021N in activated sludge as determined by in situ substrate uptake pattern and in situ hybridization with fluorescent rRNA targeted probes

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P. H. Nielsen, K. Andreasen, M. Wagner, L. L. Blackall, H. Lemmer ...
Water Sci Technol (1998) 37 (4-5): 423–430.
DOI: https://doi.org/10.2166/wst.1998.0685
Date Online: 01 February 1998
View articletitled, Variability of type 021N in activated sludge as determined by in situ substrate uptake pattern and in situ hybridization with fluorescent rRNA targeted probes View PDF for article titled, Variability of type 021N in activated sludge as determined by in situ substrate uptake pattern and in situ hybridization with fluorescent rRNA targeted probes
Journal Articles

Influence of oxygen limitation on the cell surface properties of bacteria from activated sludge

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R. Palmgren, F. Jorand, P. H. Nielsen, J. C. Block
Water Sci Technol (1998) 37 (4-5): 349–352.
DOI: https://doi.org/10.2166/wst.1998.0663
Date Online: 01 February 1998
View articletitled, Influence of oxygen limitation on the cell surface properties of bacteria from activated sludge View PDF for article titled, Influence of oxygen limitation on the cell surface properties of bacteria from activated sludge
Journal Articles

A process and model concept for microbial wastewater transformations in gravity sewers

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T. Hvitved-Jacobsen, J. Vollertsen, P. H. Nielsen
Water Sci Technol (1998) 37 (1): 233–241.
DOI: https://doi.org/10.2166/wst.1998.0056
Date Online: 01 January 1998
View articletitled, A process and model concept for microbial wastewater transformations in gravity sewers View PDF for article titled, A process and model concept for microbial wastewater transformations in gravity sewers
Journal Articles

Effects of colloidal stability on clarification and dewatering of activated sludge

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L. H. Mikkelsen, A. K. Gotfredsen, M. L. Agerbæk, P. H. Nielsen, K. Keiding
Water Sci Technol (1996) 34 (3-4): 449–457.
DOI: https://doi.org/10.2166/wst.1996.0463
Date Online: 01 August 1996
View articletitled, Effects of colloidal stability on clarification and dewatering of activated sludge View PDF for article titled, Effects of colloidal stability on clarification and dewatering of activated sludge
Journal Articles

Extraction of extracellular polymeric substances (EPS) from biofilms using a cation exchange resin

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A. Jahn, P. H. Nielsen
Water Sci Technol (1995) 32 (8): 157–164.
DOI: https://doi.org/10.2166/wst.1995.0287
Date Online: 01 October 1995
View articletitled, Extraction of extracellular polymeric substances (EPS) from biofilms using a cation exchange resin View PDF for article titled, Extraction of extracellular polymeric substances (EPS) from biofilms using a cation exchange resin
Journal Articles

Solids: report of the discussion session

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P. H. Nielsen, P. Harremoès
Water Sci Technol (1995) 32 (8): 273–275.
DOI: https://doi.org/10.2166/wst.1995.0320
Date Online: 01 October 1995
View articletitled, Solids: report of the discussion session View PDF for article titled, Solids: report of the discussion session
Journal Articles

Volatile fatty acids and sulfide in pressure mains

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T. Hvitved-Jacobsen, K. Raunkjær, P. H. Nielsen
Water Sci Technol (1995) 31 (7): 169–179.
DOI: https://doi.org/10.2166/wst.1995.0226
Date Online: 01 April 1995
View articletitled, Volatile fatty acids and sulfide in pressure mains View PDF for article titled, Volatile fatty acids and sulfide in pressure mains
Journal Articles

A Comparative Study of Biopolymers from a Conventional and an Advanced Activated Sludge Treatment Plant

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B. Frølund, K. Keiding, P. H. Nielsen
Water Sci Technol (1994) 29 (7): 137–141.
DOI: https://doi.org/10.2166/wst.1994.0326
Date Online: 01 April 1994
View articletitled, A Comparative Study of Biopolymers from a Conventional and an Advanced Activated Sludge Treatment Plant View PDF for article titled, A Comparative Study of Biopolymers from a Conventional and an Advanced Activated Sludge Treatment Plant