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Replacing the air in a loop?

post #1 of 7
Thread Starter 
Hey guys.
Here looking into the possibility of replacing the air in my loop by some other gas.
There is always going to be some air in the loop.
But I'm looking into replacing the air by some other gas.
Preferably a gas that does not contain any oxygen.
This would exclude CO2.
A gas which is heavier than air would also make it easier.
Something not too hard to obtain too.
Helium would be a good one.
But it's too light.

Any suggestions?
Edited by PepeLapiu - 4/23/14 at 5:19pm
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post #2 of 7
Thread Starter 
Here's my thinking as to why I want to try this.
For metal oxydation to occur, 3 things are needed:
- a metal
- an electrolyte (the coolant)
- and oxygen, or oxygen extracted from CO2.

If I can find a way to replace the air in the loop, or most of it, with an other gas, I might be able to prevent virtually all corrosion by oxydation.
But the gas would need to be fairly available, contain no oxygen, or CO2, and preferably heavier than air.
The reason why heavier than air is so it doesn't escape too easily and be replaced by air every time I open the res fill port.

And before you even mention it, I have no intention of farthing into my loop. tongue.gif
Edited by PepeLapiu - 4/23/14 at 6:58pm
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post #3 of 7
Isn't water H2O? So there is no way to even get rid of most of it unless running a non water based coolant.
post #4 of 7
Thread Starter 
Quote:
Originally Posted by RDKing2 View Post

Isn't water H2O? So there is no way to even get rid of most of it unless running a non water based coolant.

Yes, water does contain oxygen.
But I believe this to be irrelevant in the case of metal oxidation.
It's not that easy to extract the oxygen out of water.
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post #5 of 7
Thread Starter 
Okay, I think I found it: Argon

Heavier than air noble gas.
Noble gasses do not mix with other elements to produce a new molecule, which is perfect.
Also soluble in water, which will attempt to remove or reduce the amount of air dissolved on the coolant.
And it's 38% heavier than air.

Here is what I can buy:
http://www.preservino.com/store.aspx?prod_id=133&cat_id=1#bottom
Will also be useful for my wino addiction wine connoisseur hobby.
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post #6 of 7
Unfortunately, oxidation and galvanic corrosion are two completely different processes.
And removing Oxygen will not effect galvanic corrosion.
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FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
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2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
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post #7 of 7
Thread Starter 
Quote:
Originally Posted by billbartuska View Post

Unfortunately, oxidation and galvanic corrosion are two completely different processes.
And removing Oxygen will not effect galvanic corrosion.

Correct, galvanic corrosion and oxidation are two different things.
But the possibility for both exists in a water cooling loop.
So my attempt with argon replacing air in the loop should, theoretically, help prevent and/or slow down oxidation.

And if I can remove sufficient amount of air from the loop, I hope the argon will also act as a biocide.
Algae can not survive without oxygen.
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