Used cooking oil, Density : >5%

Used Cooking Oil, usually shortened as UCOs, are oils and fats that have

been used for cooking or frying. UCOs are usually found in the food

processing industry such as restaurants and fast foods, as well as in

households. Table of contents. Used Cooking Oil can often be found from

deep-fry food stalls. UCOs are oils and fats that have been used for

cooking or frying in the food processing industry, restaurants, fast

foods and at consumer level, in households. The European Waste Catalogue

(EWC) classifies them as Municipal Wastes (household waste and similar

commercial, industrial and institutional wastes) including separately

collected fractions, under the code 20 01 25 (edible oils and fats). UCO

obtained from waste water treatment plants is also considered

non-hazardous materials with a different code: 19 08 09 (grease and oil

mixture from oil/water separation containing edible oil and fats).