This passage mainly tells about what is a desiccant wheel dehumidifier, what are zeolites, zeolites is safe whether or not and how do zeolites work in the dehumidifier.

This paper develops the theory of what is desiccant wheel, what does desiccant wheel look like and what environments are desiccant wheels most efficient and if they really work or not.

This paper develops the theory of comparison of the three dehumidification methods, including "freezing", "rotating wheel" and "solution".