Different types of desiccant dehumidifiers function in different ways, but the primary procedure they use to extract humidity within the air is both absorption or adsorption. Absorption takes place if the desiccant material dissolves as it will take humidity through the air, as is the situation with moisture absorbers. HVACLifehack.com https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/