As soon as something is mixed material (in this case plastic, calcium chloride, and metal foil) it becomes very difficult to recycle.

Disposable Dehumidifier
Dehumidifier, Thirsty hippo, Charcoal dehumidifier, Moisture absorber, Air purifier
Recyclable?
Blue Bins & Chutes
Other Recycling
Recommended
Trash
Unfortunately these are not recyclable.
Alternative
Reuse
Tired of throwing these away? Yes they can be reused with some effort…
With some basic safety equipment, a ceramic pot, and a bit of enthusiasm, you can refresh the calcium chloride salt in the dehumidifier. Not suitable for charcoal types.
This is really NOT for everyone. Read on @ Instructables…