What are they?
Vegetable oils are oils that have been extracted from various seeds. Many vegetable oils are consumed directly, or indirectly as ingredients in food: soybean, rapeseed, sunflower, olive etc.
Why do they need to be sorted?
It is best to filter out any food particles and store your oil in a sealed container for recycling later as it can block sewage lines.
How is it recycled?
Used cooking oil can be refined into different types of biofuels used for power generation and heating.