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Model of the anaerobic metabolism of the biological phosphorus removal process: Stoichiometry and pH influence
TLDR
A structured metabolic model, based on glycogen as the source of the reduction equivalents in the anaerobic phase and the effect of the pH on the energy requirement of the uptake of acetate, is developed and explains the experimental results satisfactorily.
The SHARON-Anammox process for treatment of ammonium rich wastewater.
TLDR
The test period showed that the combined SHARON-Anammox system can work stably over long periods and the process is ready for full-scale implementation.
The anaerobic oxidation of ammonium.
TLDR
The number of reports on unaccounted high nitrogen losses in wastewater treatment is gradually increasing, indicating that anaerobic ammonium oxidation may be more widespread than previously assumed.
Influence of the pH on (open) mixed culture fermentation of glucose: A chemostat study
TLDR
Investigation of the product spectrum of an open mixed culture fermentation (MCF) process as a function of the pH found a transition from CO2/H2 production at lower pH values to formate production at higher pH values, likely due to a decrease in the oxidation state of the electrons in the cell.
Startup of reactors for anoxic ammonium oxidation: experiences from the first full-scale anammox reactor in Rotterdam.
TLDR
A consistent and descriptive nomenclature is suggested for reactors in which the anammox process is employed, and Reactors with a high specific surface area like the granular sludge reactor employed in Rotterdam provide the highest volumetric loading rates.
Stoichiometric model of the aerobic metabolism of the biological phosphorus removal process
TLDR
The uptake of phosphate and storage as polyphosphate is shown to have a direct effect on the observed oxygen consumption in the aerobic phase of the biological phosphorus removal process.
The membrane bioreactor: A novel tool to grow anammox bacteria as free cells
TLDR
In a membrane bioreactor (MBR), fast growth of anammox bacteria was achieved with a sludge residence time of 12 days, resulting in a—for anamm ox bacteria—unprecedented purity of the enrichment of 97.6%.
Microbiology and application of the anaerobic ammonium oxidation ('anammox') process.
TLDR
Electron microscopy of the ultrastructure of B. anammoxidans has shown that several membrane-bounded compartments are present inside the cytoplasm, and Hydroxylamine oxidoreductase, a keyAnammox enzyme, is found exclusively inside one of these compartments, tentatively named the 'anammoxosome'.
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