Differing types of desiccant dehumidifiers perform in other ways, but the principle approach they use to extract dampness through the air is both absorption or adsorption. Absorption happens in the event the desiccant compound dissolves as it's going to take humidity with the air, as is the situation with dampness https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/