SETT OCH ANORDNING FOR ATT BRINGA EN VETSKA OCH EN GAS I KONTAKT MED VARANDRA I ETT SLUTET SYSTEM

A gas-liquid contacting operation eg. in a fermentation process involving the use of a riser and downcomer communicating with each other and with a compartment above their upper ends forming a closed system is carried out with a gas pressure above the liquid in the compartment of at least 2 bars gau...

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Bibliographische Detailangaben
Hauptverfasser:	G B CORDELL, F P MASLEN
Format:	Patent
Sprache:	swe
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY BEER BIOCHEMISTRY BLASTING CHEMISTRY COMBUSTION ENGINES COMPOSITIONS THEREOF CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS CULTURE MEDIA ENZYMOLOGY GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING MUTATION OR GENETIC ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SEPARATION SPIRITS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE VINEGAR WEAPONS WINE
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Beschreibung
Zusammenfassung:	A gas-liquid contacting operation eg. in a fermentation process involving the use of a riser and downcomer communicating with each other and with a compartment above their upper ends forming a closed system is carried out with a gas pressure above the liquid in the compartment of at least 2 bars gauge, preferably 3-10 bars gauge. The efficiency of single cell protein production is significantly increased. The operation may be combined with an energy recovery system. Thus off-gas leaving the upper part of the fermenter 6 passes through a preheater 8 to a gas expander 9 which produces power for use in the compressor 10 used in supplying air to the fermenter.