This thread has some good info.
Creating an NA (Or...how I neutered my beer)
https://www.homebrewtalk.com/forum/index.php?threads/Creating-an-NA-%28Or%2E%2E%2Ehow-I-neutered-my-beer%29.39433/
Also it is possible to create a vacuum system on a budget, but does require condensing. I think I...