C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 1/12 (2006.01) C12M 1/00 (2006.01) C12M 1/36 (2006.01) C12M 1/42 (2006.01)
Patent
CA 2069631
Abstract of the Disclosure An apparatus is disclosed for the controlled production of microorganisms by photosynthesis in a closed photobioreactor. The closed photobioreactor contains the a photosynthetic culture in a substantially sealed environment and provides a system for recirculating the reactant gas through the culture. This closed loop system can be operated with expensive carbon isotopes (i.e., 13CO2 or 14CO2). Also, a system is provided for removing the molecular oxygen produced in the photosynthesis reaction from the closed photobioreactor. Furthermore, a pH-regulated control valve is utilized for controlling the addition of reactant gas to the culture in response to the alkalization of the culture.
Behrens Paul W.
Delente Jacques J.
Hoeksema Scot D.
Martek Corporation
Osler Hoskin & Harcourt Llp
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