Apparatus and method for growing biological organisms for...

C - Chemistry – Metallurgy – 12 – M

Patent

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Details

C12M 1/04 (2006.01) C12M 1/00 (2006.01) C12M 3/00 (2006.01) C12N 1/00 (2006.01) C12N 1/12 (2006.01) C12P 7/64 (2006.01)

Patent

CA 2651915

A bioreactor apparatus (10) in which a container (20) has sidewalls (22), a floor (24) and a ceiling (26) defining a chamber that contain a slurry of water, nutrients and photosynthetic microorganisms. A plurality of optical fibers (80) each of which has a first end disposed outside the chamber and a second end in the mixture. A light collector (70) spaced from the container has light incident on it and focuses the light onto the first ends of the plurality of optical fibers, thereby permitting the light to be conveyed into the mixture to promote photosynthesis. At least one nozzle (30) is in fluid communication with a source of gas, such as exhaust from a fossil-fuel burning power plant containing carbon dioxide. The nozzle is disposed in the mixture beneath the second ends of the optical fiber for injecting the gas into the mixture.

L'invention concerne un dispositif de bioréacteur comprenant une cuve qui comporte des parois latérales, un plancher et un plafond définissant une chambre, ladite chambre contenant une suspension constituée d'eau, de nutriments et de micro-organismes photosynthétiques. Une pluralité de fibres optiques comportent chacune une première extrémité placée à l'extérieur de la chambre et une seconde extrémité dans le mélange. Un collecteur de lumière, espacé de la cuve, sur lequel vient frapper une lumière incidente et qui concentre celle-ci sur les premières extrémités de la pluralité des fibres optiques pour permettre de transporter la lumière dans le mélange afin d'activer la photosynthèse. Au moins une buse est en communication fluidique avec une source de gaz, tel qu'un gaz d'échappement provenant d'une usine de combustion de combustibles fossiles renfermant du dioxyde de carbone. La buse est placée dans le mélange, au-dessous des secondes extrémités des fibres optiques, afin d'injecter le gaz dans le mélange.

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