Different types of desiccant dehumidifiers work in alternative ways, but the key method they use to extract humidity in the air is both absorption or adsorption. Absorption takes place when the desiccant substance dissolves as it will take moisture from the air, as is the situation with dampness absorbers. HVACLifehack.com https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/