
Biodiesel from animal fats
Animal fat is divided into three categories (1,2,3) and can be used in bio-diesel production, cosmetology, soap making, or for the production of organic lubricants.

Vegetable Oils
Most frequent vegetable oils are : rape seed oil (most productive culture), then sunflower oil, and soybean oil.

Technical Fish oil
Fish wastes are a source of fat with a low level of free acids 0.1-0.4 KOH, wich is interesting for bio-diesel production.