Methanol (CH3OH) is used in chemical-, timber-, pharmaceutical-, oil-, gas- and micro-biology. It is also used as a fuel and as a raw material for biodiesel production and treatment chemicals and other industries.
Urea, also known as carbamide, is an organic compound with the chemical formula CO(NH2)2. This amide has two –NH2 groups joined by a carbonyl (C=O) functional group.
Used Cooking Oil or UCO is used as biodiesel, livestock feed and even preparation of cosmetics. Since it only contacts frozen or fresh food it is considered to be clean grease.