How much energy are you going to expend to do that - and do things like separate the ammonia from the water? It's not "it can't be done." It's a "it gets proh

How much energy are you going to expend to do that - and do things like separate the ammonia from the water? It's not "it can't be done." It's a "it gets prohibitively expensive on a limited energy budget." Note that you're going to be left with things like anhydrous ammonia when you're done. That is more difficult to work with than concentrated ammonia in solution. In a sealed environment, this becomes even more of a concern.