Bioreactor having a gas exchanger

Details Bioreactor having a gas exchanger Bioreactor having a gas exchanger

1987-05-26

1990-11-13

Kamen, Noah P.

Chemistry: molecular biology and microbiology

Miscellaneous

362 32, 435284, C12M 104

Patent

active

049701665

ABSTRACT:
A bioreactor comprising a bioreactor tank, a plurality of transparent cylindrical bodies together making up a light radiator and arranged parallel to each other in the bioreactor tank, a plurality of optical conductors inserted into each of the transparent cylindrical bodies, a light source device for guiding into the optical conductors the visible light ray components of solar rays and/or artificial light rays, and a gas-exchanger for supplying carbon dioxide CO.sub.2 to a micro-organisms suspension in the space between the transparent cylindrical bodies in the bioreactor. A part of the micro-organisms suspension in the bioreactor is returned to the bioreactor through the gas-exchanger, and carbon dioxide CO.sub.2 is supplied to the micro-organisms suspension in the gas-exchanger. The gas-exchanger consists of silicone pipes having microscopic holes through which the returned micro-organisms suspension pass and a hermetically sealed tank into which the silicone pipes are disposed. Carbon dioxide CO.sub.2 at a pressure higher than that of the micro-organisms suspension flows into the silicone pipes upon being supplied to the hermetically sealed tank.

REFERENCES:
patent: 2815607 (1957-12-01), Schroeder
patent: 3218758 (1965-11-01), Konikoff
patent: 3821087 (1974-06-01), Knazek et al.
patent: 4626065 (1986-12-01), Mori
patent: 4649114 (1987-03-01), Miltenburger et al.
patent: 4676956 (1987-06-01), Mori

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