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this space station air recycler could help astronauts breathe easier on mars

by:QY Precision      2019-08-24
A new life-
The ISS is installing a support system that recycles breathable air, promising a significant reduction in the amount of water that needs to be brought to orbit outposts to make oxygen.
This system represents an important step in this direction. called closed-loop life-
The support system can one day maintain space personnel indefinitely without the mission of Earth replenishment.
These systems are critical to the long-term development of the future.
Duration missions to the moon and Mars.
Advanced closed loop system newly installed (ACLS)
Developed by the European Space Agency (ESA)
On September, the Japanese HTV arrived at the space station-7 cargo ship.
This system can reduce the amount of water required for the oxygen system by 400 liters (100 gallons). [
International Space Station: inside and outside (Infographic)]The 750-kilogram (1,650 lbs. )
2 m by 1 m by 90 centimeters of the system contained in the payload rack (6. 5 by 3. 3 by 3 feet)
50% of carbon dioxide (CO2)
Oxygen from astronauts.
When air passes through the system, carbon dioxide is caught in beads made of amine, an organic compound similar to ammonia.
\"Once we remove carbon dioxide from the cabin air, we extract it from these materials, and we can almost get pure carbon dioxide,\" lead Daniel Laurini of the ESA team that developed the systemcom.
We then react carbon dioxide to hydrogen and then extract water and methane.
Water is further decomposed into hydrogen and-
More importantly
The oxygen that astronauts can breathe.
In the past, all the water that made oxygen had to come up from the Earth.
The new process extracts the same amount of water and methane, said Laurini.
However, methane is of no use at present, and methane is produced in the form of carbon dust.
\"It\'s very challenging to treat pure methane in orbit and get what\'s available from it,\" said lourini . \".
\"The dust in weightlessness is very messy.
So we put methane into space.
Laurini said his team did not intend to improve the efficiency of the system to recover more than 50% of the currently outgoing carbon dioxide.
However, next year, the team will test the system with algae photos
A reactor developed by the German space agency.
The extracted carbon dioxide is then fed to algae.
The algae will grow with carbon dioxide emissions and release oxygen through photosynthesis . \"
\"In the far future, we will allow algae to absorb carbon dioxide directly from the atmosphere in the cabin.
ESA officials said in a statement: \"The acl will be installed in the US Destiny module on November and will provide half of the required oxygen to three astronauts. (A fully-
There are six crew members on the space station and nine can live there. )
The agency plans to test the system for a year or two.
The station has used a system to recycle urine into drinkable water.
In the future, a system similar to acl may be used to help regenerate the breathable air inside the lunar gateway.
Proposed Moon
The world space agency is currently considering the orbital space station.
However, Laurini says having a system like acl on any spacecraft only makes sense for a longer period of time --
Continuous tasks.
\"There is a trade --
Rest between the launch quality and the number of days you stay in this place, \"he said.
Travel on Earth, \"you don\'t need to bring a washing machine if you only go for a few weeks. [
Again, in space
It only makes sense if you go longer
Duration task90, 120 days —then the trade-
Close between recovery and opening
The circulation system becomes convenient.
\"For a Mars mission that may take years to complete in the future, a closed-
The circulation system is necessary;
According to experts, resupply tasks are not possible, and the cost of resources for transporting the entire task is too high.
ESA is already working on a closure
The Melissa cycle system will recycle all the resources needed for the crew to survive on Mars: food, water and oxygen.
The system will use outgoing air, human waste and wastewater to create drinkable water and breathable oxygen using bacteria, algae and higher plants.
The system will also grow edible plants for astronauts.
Original article about space. com.
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