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Gas transfer in microgravity fermentations.

B G Thompson1, D Ward

  • 1Department of Biotechnology, Alberta Research Council, Edmonton, Canada.

Acta Astronautica
|March 1, 1986
PubMed
Summary
This summary is machine-generated.

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Microgravity fermentation can recycle life support materials on space missions. Gas transfer in fermentors differs significantly between microgravity and one-gravity conditions.

Area of Science:

  • Biotechnology
  • Space Science
  • Environmental Engineering

Background:

  • Future long-duration space missions require efficient life support systems.
  • Recycling expendable materials is crucial for sustainability in space.
  • Fermentation processes are being explored for in-situ resource utilization.

Purpose of the Study:

  • To investigate fermentation processes under microgravity conditions.
  • To understand the implications of microgravity on fermentation for space applications.
  • To identify differences in gas transfer during fermentation in space compared to Earth.

Main Methods:

  • Simulating microgravity conditions for fermentation experiments.
  • Analyzing gas transfer dynamics within fermentors.

Related Experiment Videos

  • Comparing fermentation performance under varying gravitational forces.

    • Main Results:

    • Microgravity fermentation is a viable method for recycling life support materials.
    • Significant alterations in gas transfer mechanisms were observed in microgravity.
    • These differences necessitate adapted fermentation strategies for space-based systems.

    Conclusions:

    • Fermentation under microgravity holds promise for closed-loop life support in space.
    • Understanding and optimizing gas transfer is key to successful space fermentation.
    • Further research is needed to refine these processes for operational deployment.