Beijing time, May 23, according to foreign media reports, a bioreactor was recently sent to the International Space Station, which can use algae to convert carbon dioxide into oxygen. Of course, the safety of the astronauts on the International Space Station will not depend on Whether this reactor is working or not is only an experiment to test whether the concept is feasible in long-term space flight.

A bioreactor was recently sent to the International Space Station, where algae can be used to convert carbon dioxide into oxygen. Scientists hope that the bioreactor will become part of a "closed-loop" system in the future to provide support for space missions on the moon, Mars, and beyond.

The carbon dioxide exhaled by astronauts can be converted into oxygen and edible biomass through the photosynthesis of chlorella. Up to 30% of the food required for a space mission can be provided by high-protein algal biomass.

Current space missions are limited by the carrying capacity of the rocket. But if a complete life-sustaining system can be realized, it will provide more opportunities for space travel. Scientists hope that the bioreactor will become a part of a "closed loop" system in the future, for the moon, Mars and even further aerospace. Mission support.

This algae biological reaction experiment instrument was sent by SpaceX's Dragon spacecraft to the International Space Station, where it was ready to show its skills.

This is the second phase of a sustainable space flight project and will work in conjunction with ESA's Advanced Closed Loop System (ACLS). Advanced closed-loop systems can extract methane and water from carbon dioxide. In addition, carbon dioxide is also used in photosynthetic bioreactors. According to a statement from the German Space Agency, the use of two instruments in series can form PBR @ ACLS (photosynthetic bioreactor and advanced closed-loop system) hybrid technology.

The carbon dioxide exhaled by astronauts can be converted into oxygen and edible biomass through the photosynthesis of chlorella. Up to 30% of the food required for an aerospace mission can be provided by high-protein algal biomass. "This hybrid technology was demonstrated for the first time, meaning that we are already at the forefront of future life support systems." Deutsche Aviation Oliver Angler, leader of the local photosynthetic bioreactor experiment project, said, "Of course, these systems are mainly suitable for planetary bases or long-term missions. But if we do not lay the foundation today, when we need to use these technologies in the future, they You ca n’t get ready. ”(Leaf)

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