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convergence problem

Hi David,

I have come across a PHREEQC convergence problem for which I couldn't
find a cure. I am not sure, maybe there is something wrong with
my input or my definitions in the database. Could you, if you have
the time, have a quick look at it ? I have attached the input file
and the database file that I used. 
I had this type of problem before after I included Ferrihydrite or Goethite
as equ. mineral (allowed precipitation) in an anaerobic, pyritic aquifer in
which aerorobic water was injected. 

Cheers
  Henning

Attachment: dizon.pht3d_database
Description: Binary data

Attachment: grid3037_inp.dat
Description: Binary data

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