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Author: Subject: Mixed Salt System Solubility
CharlieLeoben
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[*] posted on 6-2-2017 at 01:47
Mixed Salt System Solubility


Hey Guys!

Currently working on a water management project for a gas field and our project partner is asking about the possibility of salt precipitations in the underground.

How do I calculate the solubility of salts in water under low T, high p conditions and (especially) in the presence of known concentrations of other salts?

In other words: How do I find out about NaCl solubility in water at 3000 m depth and 100 bar when there are already BaSO4, KCl and others contained in this water?

Kind regards

Sebastian
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Eddygp
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[*] posted on 6-2-2017 at 07:50


I'm pretty sure there will be no barium sulphate.

Either way this is just a bit of spoonfeeding - it literally is everywhere out there. Tried wiki?




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Metacelsus
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[*] posted on 6-2-2017 at 20:59


I doubt that solubility of most non-gaseous solutes varies appreciably with pressure over the range 1-100 bar. Therefore, you can just focus on temperature effects.



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DraconicAcid
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[*] posted on 7-2-2017 at 00:11


Quote: Originally posted by Metacelsus  
I doubt that solubility of most non-gaseous solutes varies appreciably with pressure over the range 1-100 bar. Therefore, you can just focus on temperature effects.

The pressure may not matter, but high concentrations of other solutes will.




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