Differing types of desiccant dehumidifiers operate in alternative ways, but the principle method they use to extract moisture from the air is possibly absorption or adsorption. Absorption happens if the desiccant material dissolves as it takes humidity through the air, as is the case with moisture absorbers. With desiccant dehumidifiers, https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/