Differing kinds of desiccant dehumidifiers do the job in alternative ways, but the most crucial system they use to extract moisture from your air is both absorption or adsorption. Absorption takes place if the desiccant compound dissolves as it takes moisture from the air, as is the situation with dampness https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/