Pyrolysis Reactor: How It Works (Like a Pizza Oven!) 🍕🔥 In other words, the pyrolysis reactor functions more like a giant oven — sometimes we even call them the largest pizza ovens in the world! The plastic waste loaded into the reactor is heated from below in the furnace area while it turns and spins inside, breaking down into valuable pyrolysis oil. If you want to learn how the entire process turns plastic waste back into oil, check it out here: https://youtu.be/k40adUlDStc?si=lzdlNj1lFCuEoL