PHASE EQUILIBRIUM Q Conditions for thermodynamic equilibrium between two phases f=,i=1,…,ne TO= TO) and P()=P(2) For an ideal system fA(=yi P and L=x; Pi(T 0/6/99 Equilibrium Staged separations0/6/99 Equilibrium Staged Separations 2 PHASE EQUILIBRIUM uConditions for thermodynamic equilibrium between two phases f i *(1) = fi *(2) , i = 1,…,nc T(1) = T(2) and P(1) = P(2) u For an ideal system f i *(V) = yi P and fi *(L) = xi Pi S (T)