Where does the waste of aircraft toilets go ? :

Where does the waste of aircraft toilets go?
In this episode we will address a topic that always preoccupies people, where is the waste of toilet latrines?
Litter and toilet waste are sucked into a rear tank in the aircraft, where a specialist connects pumps to the waste tank in the aircraft, which can not travel on a new flight before unloading.

Pressing the flush button opens a valve in the bottom of the bowl, exposing the contents to a pneumatic vacuum. That vac sucks the load down the plane's sewer line into a 200-gallon holding tank. The toilets also have a sort of Teflon non-stick coating to assist in pulling the waste down.
A fun part: