Aromatics-recovery process

Apparatus and method for purifying a liquid

Low-energy extractive distillation process for dehydration of aqueous ethanol

Membrane-augmented distillation with compression to separate solvents from water

Low-energy extractive distillation process for dehydration of aqueous ethanol

Membrane-augmented distillation with pressure change to separate solvents from water

Method of anhydrous ethanol production using circulation by multiple towers alternation

Liquid-phase and vapor-phase dehydration of organic/water solutions