Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations SDETERS on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

H2S Solubility in Brine 1

Status
Not open for further replies.

buzzie

Chemical
Jul 1, 2003
15
Looking for information on the solubility of H2S in concentrated brines (30000 to 40000 TDS or so) or even seawater at temperatures in the range of 100 to 200 deg F and atmospheric pressure. Need to understand if saturation limit is depressed significantly in brine solution compared to pure water.

Regards
 
Replies continue below

Recommended for you

I would say not much. H2SO4 2.4% only slightly lowers the H2S solubility. I do not have any dat for brines, but I do not expect a huge impact.
 
If you can follow the maths, the following might be of some use:

Oil & Gas Science And Technology Rev IFP, Vol 60, 2005, No 2, pp339-355

Steve Jones
Materials & Corrosion Engineer
 
LnC= A1+A2(100/T)+A3Ln(T/100)+A4(T/100)+{S[B1+B2(T/100)+B3(T/100)^2]}
C: Solubility of H2S in water @1 atm in mol/kg
Ai and Bi: factors
T: Temperature in Kelvin
S: TDS in gr/L (eg. 30 or 40)
(Weiss 1971)
A1:-41.0563
A2:+66.4005
A3:+15.1060
A4:0
B1:-0.060583
B2:+0.0379753
B3:-0.0060234

(Ref: The physical Chemistry of Natural Waters Frank J. Millero Eq. 5.34)

I can't find any temperature range for that correlation.

Hope this help



 
Status
Not open for further replies.

Part and Inventory Search

Sponsor