Abstract
A practical selection scheme of energy efficient distillation technologies is proposed, with a special focus on heat pumps. The most promising technologies selected are: vapor compression, mechanical or thermal vapor recompression, absorption, compression-resorption and thermo-acoustic heat pumps, heat integrated distillation column, cyclic distillation, Kaibel and dividing-wall column. The scheme considers the type of separation tasks, the product flow and purity specifications, the boiling point differences ( ΔT b ), the reboiler duty ( Q reb ) and its temperature level ( T reb ) as the main technology selection criteria. The proposed scheme allows considerable savings in time and resources allocated for the selection of eco-efficient chemical processes.
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