> I have a question related to the transport or non transport of precipitated minerals when running a transport simulation with Phreeqc/Llna.dat. When precipitation occurs in one cell, is the total amount of precipitate transported in the next cell ? Only dissolved species are transported from one cell to the next. All EQUILIBRIUM_PHASES, SURFACE, EXCHANGE, KINETICS, SOLID_SOLUTIONS, and GAS_PHASE entities remain in a cell. > By consequence, is there a simple way with Phreeqc, to constraint this transport in two cases : (1) full transport of precipitate or (2) no transport of precipitate species from cell(i) to cell(i+1) ? Case 2 describes the algorithm of PHREEQC and is the only one possible. David David Parkhurst (dlpark@xxxxxxxx) U.S. Geological Survey Box 25046, MS 413 Denver Federal Center Denver, CO 80225
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