Carrier of biomass, method of its colonization by...

C - Chemistry – Metallurgy – 12 – N

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C12N 11/02 (2006.01) C12C 11/09 (2006.01) C12G 1/02 (2006.01) C12J 1/00 (2006.01) C12N 11/14 (2006.01)

Patent

CA 2372438

A biomass carrier consisting of a system of fibres mu- tually oriented in a defined way, at least a part of which is arranged into loops and/or hairs. Fibres are made of material suitable for mi- croroorganisms and are preferably arranged into threads forming three thread systems (11, 12, 13) in which a first system (11) is arranged in a row of alternating loops forming the volume of the biomass car- rier (1), a second thread system (12) transversely passes through said first thread system (11), and a third thread system (13) wraps jointly the first and second systems (11, 12). The invention also relates to a method of colonization of the biomass carrier by microorganisms and to a method of fermentation of a fermentable substrate by living or- ganisms in the fermentation industry, in particular in brewery, in the production of wine, vinegar and other fermented bewerage in which the biomass carrier (1) is colonized with microorganisms. The fer- mentation substrate is led to the surface of the colonized biomass car- rier (1). By the fermentation develops CO2 that stirs the substrate and ensures uninterrupted contact of the surface of the colonized biomass carrier (1) with the substrate thus accelerating and intensifying the fermentation process. The invention also relates to a method of sani- tation of the fermentation device and to a device for carrying out the method of fermentation and sanitation.

L'invention concerne un support de biomasse constitué d'un système de fibres disposées les unes par rapport aux autres selon une orientation définie, certaines de ces fibres au moins étant agencées en boucles et/ou brins. Les fibres sont fabriquées dans un matériau approprié pour les micro-organismes, et elles sont, de préférence, agencées en fils de manière à former trois systèmes (11, 12, 13) de fils. Le premier système (11) comprend une rangée de boucles alternées formant le volume du support (1) de biomasse. Le deuxième système (12) de fils croise transversalement le premier système. Le troisième système (13) enveloppe le premier et le deuxième système (11, 12). L'invention concerne également une méthode de colonisation du support de biomasse par des micro-organismes, ainsi qu'une méthode de fermentation d'un substrat fermentescible par des organismes vivants utilisés dans l'industrie de la fermentation, notamment la brasserie, pour la production de vin, de vinaigre et autres liquides fermentés dans lesquels le support (1) de biomasse est colonisé par des micro-organismes. Le substrat de fermentation est placé à la surface du support (1) de biomasse colonisé. Le processus de fermentation provoque l'émission de CO2, qui agite le substrat, et garantit le contact continu de la surface du support (1) de biomasse avec le substrat, ce qui accélère et intensifie le processus de fermentation. L'invention concerne enfin une méthode de désinfection du dispositif de fermentation, et un dispositif permettant de réaliser ladite méthode de fermentation et de désinfection.

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