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Water-adsorption polymers have been playing a key part in atmospheric water harvesting and desiccant air conditioning, but desorption so that the polymers can be efficiently reused has been an issue.

Their system converts air to water using atmospheric water generators that contain a liquid desiccant, which absorbs moisture from the air.

Separate from the recalled Takata inflators are about 30 million that contain a moisture-absorbing chemical called a desiccant that is meant to keep the ammonium nitrate dry and stable.

“These restrictions include a prohibition of pre-harvest use as a desiccant and the need for certain measures to protect non-target organisms,” it said in a statement.

The liquid salt desiccant then runs through a heat pump system to be recharged.