A process called thermal depolymerization can turn just about any kind of waste into oil, minerals and water and in the process rearrange many bothersome chemicals into harmless molecules. The linked article shows how the process is used on waste from a turkey processing plant. The lead picture is not for the fainthearted.
(Thanks to Flying Talking Donkey for spotting this story.)
(Comments are open to all. See the list of environmental blogs on my sidebar.)