Urea fertilizer with nitrogen content more than 46% for agriculture purpose Urea, also known as carbamide, is an organic compound with chemical formula CO(NH2)2. This amide has two –NH2 groups joined by a carbonyl (C=O) functional group. ... Urea is widely used in fertilizers as a source of nitrogen (N) and is an important raw material for the chemical industry. Generally speaking, denitration is to spray ammonia or urea...