Differing kinds of desiccant dehumidifiers get the job done in various ways, but the main procedure they use to extract moisture through the air is both absorption or adsorption. Absorption happens once the desiccant substance dissolves as it requires humidity from your air, as is the case with humidity absorbers. https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/