PROCESS FOR REABSORPTION AND RETENTION OF PHOSPHORUS BY ACTIVATED BIOMASS

A process for promoting the reabsorption and retention by an acitvated biomass of phosphorous values previiously contained by the biomass and released under anaerobic conditions, which process requires initially subjecting the biomass in admixture with a liquid medium to treatment under aerobic cond...

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Bibliographische Detailangaben
Hauptverfasser:	NICHOLAS, DAVID MICHAEL, KRICHTEN, DAVID JOSEPH
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	A process for promoting the reabsorption and retention by an acitvated biomass of phosphorous values previiously contained by the biomass and released under anaerobic conditions, which process requires initially subjecting the biomass in admixture with a liquid medium to treatment under aerobic conditions employing a relatively high DO. When the pH of the mixture stops increasing, the aerobic treatment is continued but under a second, reduced DO level.