Cross effect of temperature, pH and free ammonia on autotrophic denitrification process with sulphide as electron donor

•NO2- accumulation associated to NO3- reduction was not influenced by the initial S/N ratio.•Nitrous-oxide reductase enzyme was inhibited by sulphide above 200mgS2−L−1.•Inhibition of sulphide oxidation by nitrite was described with a Haldane model.•Autotrophic denitrification was strongly influenced...

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Veröffentlicht in:	Chemosphere (Oxford) 2014-02, Vol.97, p.10-15
Hauptverfasser:	Fajardo, Carmen, Mora, Mabel, Fernández, Isaac, Mosquera-Corral, Anuska, Campos, José Luis, Méndez, Ramón
Format:	Artikel
Sprache:	eng
Schlagworte:	Ammonia - chemistry Applied sciences Autotrophic denitrification Autotrophic Processes Biological and medical sciences Biological treatment of waters Bioreactors Biotechnology Denitrification Electrons Environment and pollution Exact sciences and technology Free ammonia Fundamental and applied biological sciences. Psychology General purification processes Hydrogen-Ion Concentration Industrial applications and implications. Economical aspects Kinetic parameters Kinetics Models, Chemical Nitrates - chemistry Nitrites - chemistry Nitrogen - chemistry Nitrogen Compounds - chemistry Pollution Substrate inhibition Sulfates - chemistry Sulfides - chemistry Sulfur - chemistry Temperature Wastewater treatment Wastewaters Water treatment and pollution
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