What's a Rendering Plant?

: a plant that converts packing house waste, kitchen grease, and livestock carcasses into industrial fats and oils (as tallow for soap) and various other products (as fertilizer)

What does a rendering plant do?

Meat rendering plants process animal by-product materials for the production of tallow, grease, and high-protein meat and bone meal. Plants that operate in conjunction with animal slaughterhouses or poultry processing plants are called integrated rendering plants.

What's the difference between a slaughterhouse and a rendering plant?

So what's the difference between a slaughter plant and a rendering facility? A slaughter plant breaks down the whole carcass into cuts of meat, whereas a rendering facility produces a variety of by-products. ... — Edible: these plants process fatty animal tissue into edible fats and proteins.