The main component of urine is uria, other than the water. It's actually really hard to get it out of the urine because as soon as it comes out of the body, there is a reaction that trans forms it intoammonia which stinks. So you can let this reaction go ahead and then deal with the ammonia,. or you can try to stop the reaction, usually by raising or low ring the p h very quickly. Is every good example of one of these systems being incorporated into an obvious use? There's a pilot project on going in sweden. They're creating a system where they collect urine from waterless urinals at festivals. Then take the urine and dry