Differing kinds of desiccant dehumidifiers perform in different ways, but the primary method they use to extract dampness within the air is either absorption or adsorption. Absorption happens in the event the desiccant substance dissolves as it will require dampness within the air, as is the situation with humidity absorbers. https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/