Question about polluted oxygen production

[ProfMembrane]

So I was watching this tutorial:

And I had a question, towards the beginning it says that polluted water makes polluted oxygen.  I thought that it just turned normal oxygen into polluted oxygen.  If there is no air or non-oxygen air in a room with polluted water, will it actuall fill with polluted oxygen? And can I use deoderizers to therefore make free oxygen from it?

[DMFan79]

Yes and yes

[PhailRaptor]

Any open space above a pool of P-H2O will produce P-O2 over time, until the atmospheric pressure above the pool reaches 1.8 kg/tile.  It does not transform other gases, though it may cause scenarios where small packets of gas get deleted.  And yes, placing Deodorizors above an open pool of P-H2O will allow you to create free O2.  It will even destroy any germs that were in the P-O2, as well.

[ProfMembrane]

Thanks Guys!

[QuQuasar]

Minor, extremely pedantic note: it doesn't create polluted oxygen, it converts polluted water into polluted oxygen at a 1:1 conversion ratio. So it's not free oxygen: you'll eventually run out of polluted water.