The amount you would need to reclaim is related to the efficiency at which you recycle the water you have. You would need to invent a real-life culture like th

The amount you would need to reclaim is related to the efficiency at which you recycle the water you have. You would need to invent a real-life culture like the Fremen of Arrakis. Of course, if you got efficient enough, you could simply buy water to be airdropped into a catch pond. Then you drain the pond and pipe the water into your recycling system. It would likely be cheaper than trying to dehumidify desert air.