Rendering is the process by which bones, butcher's waste (offal), animal carcasses, and waste meats are converted into products, including grease (the oily liquid from melted fat), tallow (defined as somewhat-hardened animal fats), glycerin, and fertilizer. The materials are heated in ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles