Differing types of desiccant dehumidifiers operate in alternative ways, but the principle method they use to extract moisture in the air is either absorption or adsorption. Absorption takes place if the desiccant compound dissolves as it will require moisture from the air, as is the situation with humidity absorbers. This https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/