Title:
BIOREACTOR
Document Type and Number:
Japanese Patent JP3149000
Kind Code:
B2
Abstract:
PURPOSE: To enable to continuously and efficiently perform the multiplicative culture of a microorganism having an ability to produce a bio-polyester and the production of the bio-polyester by controlling the carbon content and nitrogen content of a fed culture solution in an upward flow type reactor.
CONSTITUTION: The bioreactor 1 equipped with a main body receiving bio- polyester-producing bacteria therein and used for producing the bio-polyester is characterized by disposing an injection port 12 capable of injecting a culture solution into the lower part of the main body, disposing a taking-out port 14 for taking out the bio-polyester-producing bacteria on the side surface of the main body, and further disposing a culture solution-discharging port 15 in the upper part of the main body. The bio-polyester-producing bacteria existing in the lower part take nutrients the culture solution and multiply, and the bio- polyester-producing bacteria existing in the upper part reduced in the concentration of nitrogen take carbon from the culture solution and produce the bio- polyester in their bodies. The raised culture solution is discharged from the discharging port 15.
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Inventors:
Takashi Tomozawa
Masako Shibayama
Masako Shibayama
Application Number:
JP24013192A
Publication Date:
March 26, 2001
Filing Date:
August 18, 1992
Export Citation:
Assignee:
Taisei Corporation
International Classes:
C12M1/00; C12M1/40; C12P7/62; (IPC1-7): C12M1/40
Domestic Patent References:
| JP62244380A |
Attorney, Agent or Firm:
Sakuo Yamaguchi (1 person outside)