C
Christine M. Hooijmans
Researcher at UNESCO-IHE Institute for Water Education
Publications - 71
Citations - 3150
Christine M. Hooijmans is an academic researcher from UNESCO-IHE Institute for Water Education. The author has contributed to research in topics: Activated sludge & Enhanced biological phosphorus removal. The author has an hindex of 27, co-authored 68 publications receiving 2714 citations. Previous affiliations of Christine M. Hooijmans include International Institute of Minnesota.
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Journal ArticleDOI
Modeling the PAO-GAO competition: Effects of carbon source, pH and temperature
Carlos M. Lopez-Vazquez,Adrian Oehmen,Christine M. Hooijmans,Damir Brdjanovic,Huub J. Gijzen,Zhiguo Yuan,Mark C.M. van Loosdrecht +6 more
TL;DR: Which conditions were favorable for the existence of PAO and, therefore, beneficial for the biological phosphorus removal process in sewage treatment plants were assessed.
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Long term effects of salt on activity, population structure and floc characteristics in enriched bacterial cultures of nitrifiers.
M.S. Moussa,D.U. Sumanasekera,S.H. Ibrahim,H.J. Lubberding,Christine M. Hooijmans,Huub J. Gijzen,M.C.M. van Loosdrecht +6 more
TL;DR: Increased salt concentrations resulted in better settling characteristics of the nitrifying sludge and despite the change in population composition similar kinetics as before the salt stress were observed.
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Impact of excessive aeration on biological phosphorus removal from wastewater
Damir Brdjanovic,Damir Brdjanovic,Agus Slamet,M.C.M. van Loosdrecht,Christine M. Hooijmans,G. J. Alaerts,J. J. Heijnen +6 more
TL;DR: In this paper, the influence of excessive aeration (aeration during starvation conditions) on BPR processes was studied using a laboratory anaerobic-aerobic settling sequencing batch reactor (SBR), and it was clearly demonstrated that the phosphorus uptake stops due to a gradual depletion of polyhydroxy-butyrate (PHB) in an over-aerated process.
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Factors affecting the microbial populations at full-scale enhanced biological phosphorus removal (EBPR) wastewater treatment plants in The Netherlands
Carlos M. Lopez-Vazquez,Christine M. Hooijmans,Damir Brdjanovic,Huub J. Gijzen,Mark C.M. van Loosdrecht +4 more
TL;DR: A well-defined and operated denitrification stage and a higher mixed liquor pH value in the anaerobic stage were positively correlated with the occurrence of Accumulibacter and a positive correlation was observed between Competibacter fractions and organic matter concentrations in the influent.
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Biological phosphate removal processes
TL;DR: Biological phosphate removal has become a reliable and well-understood process for wastewater treatment and has shown that highly complex biological processes can be designed and controlled, provided that the importance of the prevailing microbiological ecological processes is recognised.