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Geometric Programming as a General Method Phase and reaction Equilibrium Calculations
Abstract
Geometric programming has been used to calculate a large number of different ideal and non-ideal equilibria, including, for the first time, combined non-ideal reaction and phase equilibria. For non-ideal systems the primal program is solved a number of times with the non-ideal terms fixed each time. After each primal solution, the non-ideal terms are updated using the corresponding dual solution. This iteration generally converges. We have included one counter-example, where the failure is caused by the equation of state, which cannot give correct roots.