Differing kinds of desiccant dehumidifiers operate in different ways, but the leading process they use to extract moisture in the air is either absorption or adsorption. Absorption occurs when the desiccant substance dissolves as it will take humidity in the air, as is the case with moisture absorbers. Not like https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/