Different types of desiccant dehumidifiers operate in various ways, but the main system they use to extract moisture in the air is both absorption or adsorption. Absorption takes place when the desiccant substance dissolves as it's going to take humidity from your air, as is the situation with humidity absorbers. https://lingeriebookmark.com/story10794230/desiccant-dehumidifiers-in-cold-stores-an-overview