FERMENTATION SYSTEMS WITH GAS SUPPLIES Russian patent published in 2017 - IPC C12M1/02 C12M1/04 C12M1/08 C12M1/107 

FIELD: biotechnology.

SUBSTANCE: system, a device and a method of stimulating the growth of microorganisms are offered. The system comprises a hollow fluid conduit with inlet and outlet openings, a gas distributor, a fluid transfer device, and a heat transfer system within the vessel. The device comprises a plurality of hollow fluid conduits disposed partially inside the vessel, a gas distributor, and a plurality of structures, where each structure of a plurality of structures promotes the growth of microorganisms thereon. The method includes dispersing the gas in a liquid medium to form a multiphase mixture, passing the multiphase mixture at the first rate and at the first pressure into one or more downstream flow paths, increasing the pressure of the multiphase mixture to form compressed gas bubbles in the multiphase mixture by contacting the multiphase mixture with a plurality of microorganisms to provide the first biomass, passing the multiphase mixture at the second rate through a plurality of upstream flow paths and maintaining pressure to maintain the compressed gas bubbles in the multiphase mixture by contacting the multiphase mixture with a plurality of microorganisms to provide the second biomass.

EFFECT: effective mass transfer of gaseous substrates for microbial fermentation.

90 cl, 9 dwg