Engineering Review of Concepts: Air Recycling Systems (closed-loop/open-loop)

[Jonathan F]

Homework Statement

Review of Concepts: Air Recycling Systems
Classify each of the following methods according to whether it is used to supply oxygen or remove CO 2 , and whether it is most closely associated with an open-loop or closed-loop process.

Relevant Equations

1. Chlorate Candles
2. Metal Oxide Absorbers
3. Rapid Cycling Anime System
4. Water Electrolysis
5. Cryogenic Storage Tanks
6. Lithium Hydroxide Granules

Hey, first post here.
So I have to classify these 6 elements under closed-loop/open-loop system and under CO2 removal/oxygen supply.
I thought it should be:
Closed-loop CO2 removal: Rapid cycling anime, Lithium granules
Closed-loop oxygen supply: Water electrolysis, Cryogenic tanks
Open-loop CO2 removal: Metal oxide absorber
Open-loop oxygen supply: Chlorate candles

But I was wrong. Can someone please help me figure out how it is supposed to be arranged?
Thank you

 

[trurle]

I thought it should be:
Closed-loop CO2 removal: Rapid cycling anime, Lithium granules
Closed-loop oxygen supply: Water electrolysis, Cryogenic tanks
Open-loop CO2 removal: Metal oxide absorber
Open-loop oxygen supply: Chlorate candles

But I was wrong. Can someone please help me figure out how it is supposed to be arranged?
Thank you

Cryogenic tanks are definitely "open loop oxygen supply" category. Water electrolysis may be open or close loop depending on circumstances, but typically is open loop. Also, "amine", not "anime".

 

[Jonathan F]

Cryogenic tanks are definitely "open loop oxygen supply" category. Water electrolysis may be open or close loop depending on circumstances, but typically is open loop. Also, "amine", not "anime".

Thx, I guess anime was an instinct.
The solution was:
Oxygen supply -
cryogenic (open)
chlorate candles (open)
water electrolysis (closed)

co2 removal -
lithium hydroxide (open)
metal oxide (closed)
rapid amine (closed)