The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

Study of Hydrogen-Fixing Microorganisms fo Closed Regenerating Biosystems

Report Number: AMRL TDR 64-35
Author: Canfield, James H.
Author: Lechtman, Max D.
Corporate Author: Magna Corporation
Laboratory: Biomedical Laboratory
Date of Publication: 1964-06
Pages: 98
Contract: AF 33(657)-9633
Project: 7164
Task: 716405
AD Number: AD0603595

The feasibility of using hydrogen-oxidizing bacteria in conjunction with electrolysis to regenerate oxygen and foodstuff from carbon dioxide and water was investigated. Results showed that 75 liters of Hydrogenomonas eutropha culture can fix the CO2 and supply oxygen for one man. The cell yield is rich in proteins and deficient in carbohydrates and lipids for direct consumption by man. The feasibility of integrating the culture with the electrolysis was also investigated, with incompatibility of the bacteria with high salt content being the limiting factor. The ability of a hydrogen cathode to supply hydrogen to the culture was shown.

RAF Centre of Aviation Medicine
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