here you can see alot of free files and books talking about distillation columns from their original sources
Optimization of Start up Procedures
ENERGY OPTIMISATION AND CONTROLLABILITY IN COMPLEX DISTILLATION part 1
ENERGY OPTIMISATION AND CONTROLLABILITY IN COMPLEX DISTILLATION part 2
Numerically Optimized Diabatic
Optimal Fuzzy Control to Reduce Energy Consumption
Alternative Representations and Formulations for the Economic Optimization of Multicomponent
OPTIMIZATION OF THE OPERATING CONDITIONS
