Method for accumulation of polyhydroxyalkanoates in biomass with on-line monitoring for feed rate control and process termination

Method for accumulation of polyhydroxyalkanoates in biomass with on-line monitoring for feed rate control and process termination

A method or process for producing polyhydroxyalkanoates (PHAs) in biomass. The process entails feeding an organic carbon containing substrate to biomass enriched in PHA accumulating bacteria. Particularly the process entails intermittently supplying the substrate to the biomass at least three separa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BENGTSSON SIMON OLOF HARALD, WERKER ALAN GIDEON, KARLSSON CARL ANTON BÖRJE
Format: Patent
Sprache:eng
Schlagworte:
BEER
BIOCHEMISTRY
CHEMISTRY
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
SPIRITS
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
VINEGAR
WINE
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Beschreibung
Zusammenfassung:A method or process for producing polyhydroxyalkanoates (PHAs) in biomass. The process entails feeding an organic carbon containing substrate to biomass enriched in PHA accumulating bacteria. Particularly the process entails intermittently supplying the substrate to the biomass at least three separate times over a selected period. The object of the process is to produce PHA having a relatively high molecular weight, at least 400,000 g/mole. By controlling the frequency at which the substrate is supplied to the biomass and by feeding a sufficient amount of the substrate to the biomass, the method or process produces the PHA having the relatively high molecular weight.