AMMONIA CONTROL APPARATUS AND AMMONIA CONTROL METHOD

An ammonia-controlling method for controlling ammonia concentration of a culture medium contained in a culture tank, wherein ammonia concentration in the culture tank is controlled by using an ammonia-controlling apparatus comprising at least an ammonia feeder that supplies ammonia to the culture ta...

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Bibliographische Detailangaben
1. Verfasser:	TAKESHITA, Ryo
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PHYSICS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS TESTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	An ammonia-controlling method for controlling ammonia concentration of a culture medium contained in a culture tank, wherein ammonia concentration in the culture tank is controlled by using an ammonia-controlling apparatus comprising at least an ammonia feeder that supplies ammonia to the culture tank, an ammonia sensor that responds to non-ionized ammonia in the culture medium contained in the culture tank, and a control part connected to the ammonia feeder and the ammonia sensor, and which method comprises the following steps performed by the control part: a non-ionized ammonia concentration calculation step of calculating non-ionized ammonia concentration in the culture tank by substituting the signal from the ammonia sensor into a calibration curve representing relation between non-ionized ammonia concentration in the culture tank and a signal from the ammonia sensor; and an ammonia supply direction step of directing the ammonia feeder to supply ammonia to the culture tank when the calculated non-ionized ammonia concentration is lower than a predetermined concentration.