Differing kinds of desiccant dehumidifiers perform in various ways, but the key course of action they use to extract moisture through the air is possibly absorption or adsorption. Absorption occurs if the desiccant compound dissolves as it will take dampness within the air, as is the case with moisture absorbers. https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/