This paper has had a review of the research progress in the regeneration of dessicants (solid and liquid) assisted by the ultrasonic technology. Particularly

the effect of ultrasonic on the enhancement of desiccant regeneration

the energy consumption of regeneration as well as the model for describing the regeneration process assisted by ultrasonic have been discussed in detail. The current research has proved that the ultrasonic is capable of improving the energy utilization efficiency of low-grade heat for desiccant regeneration

and hence

brings about energy saving potentially. Meanwhile

the possible designs of the ultrasonic regenerator for the regeneration of solid/liquid dessicant are presented as well. Afterwards

some suggestions to the future study on this research field are given.