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Solid solutions and PHREEQC



Hi 

I wonder if you could please help.

I am trying to model a column expt using PHREEQC
The column is a mixture of sand and clay ( mixtures of illite, kaolinite, 
chlorite or montmorillonite) with known ionic exchange parameters.
I am adding to this a binary chloride salt mixture and want to model the 
breakthrough curves using exchange and transport keywords.
I have tried using the solid_solutions keyword to set the initial conditions in 
the column but am unable to do so.  My only other thought I guess is to set  
solution 1-x  using the formula for the clays.

Could you tell me if I am on the right track, sorry but I am new to this type of 
modelling and I am trying to learn as I work through so any help would be 
greatly received

Thankyou for your time

Karen
KAREN. E. PARKER
Hydrogeology Research Group
School of Earth Sciences
Aston Webb Building
The University of Birmingham
Edgbaston
Birmingham
B15 2TT
United Kingdom
Tel: +44 (0)121 4144407
Fax: +44 (0)121 4144942
Email: K.E.Parker@xxxxxxxxxx


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