The cooking process is to sterilize, hydrolyze and dry animal waste.
Yemmak offers different cooking systems for processing white meat, red meat, blood or mixed wastes. For oil separation, there should be no water left in the waste materials.

The cooker is of great importance for the dry processing process to give an efficient and profitable result. The rendering cooker cauldron is filled to the brim. A batch of goods is heated with the steam fed directly to the jacket of the rendering boiler. Sterilized, hydrolyzed, cooking is done under constant pressure and temperature until the desired conditions. It is cooked until the humidity of the product is reduced to under 10%.