Different types of desiccant dehumidifiers work in other ways, but the most crucial system they use to extract moisture with the air is either absorption or adsorption. Absorption takes place in the event the desiccant material dissolves as it takes humidity with the air, as is the case with dampness https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/