4 ms·Does the article/tutorial talk about how you remove water and oxygen from the liquefied air?by raducu 6y agoDoes the article/tutorial talk about how you remove water and oxygen from the liquefied air?therein 6y agoA magnet would help with the oxygen. And water would be frozen.mlyle 6y agoYes: he mentions (and links to) his home made pressure swing adsorber setup to remove oxygen from the air before cooling.