Jaeshik Chung Posted April 17, 2014 Share Posted April 17, 2014 Hi- I am a newbie trying to simulate the reductive dissolution of Fe2+ from Fe-bearing minerals and their precipitation from oxidation. I could find data(EA, k25..) for hematite, pyrite-2, and siderite in the tutorial. but I couldn't find ones for other Fe-minerals (Goethite, Fe(OH)3, magnetite, ferrite...) where can I find this information? and one more thing, I know kd controls sorption, and decay constant controls decay, but what parameter controls the oxidation/reduction condition? just putting high/low O2 concentration in injected water makes it happen? Thank you! Link to comment Share on other sites More sharing options...
Alison Posted April 22, 2014 Share Posted April 22, 2014 The following publication has been recommended by one of my colleagues: Palandri, J.L. and Kharaka, Y.K. (2004) A compilation of rate parameters of water-mineral interaction kinetics for application to geochemical modeling, USGS Open File Report 2004-1068, 64 p. I don’t know how to answer your question about oxidation/reduction conditions. This might be a better question for the LBNL TOUGH2 forum, which you can find with the following Google search: LBNL TOUGH2 forum Best Regards, Alison Link to comment Share on other sites More sharing options...
Jaeshik Chung Posted May 7, 2014 Author Share Posted May 7, 2014 Thank you for your help! I could find the activation E and k25 values for most of the Fe-bearing minerals except for Ferrihydrite (Fe(OH)3). Link to comment Share on other sites More sharing options...
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