As you know mercaptan is an organosulfur compound, by and large it has an impactful smell. It smells like decaying cabbage or smelly socks. Since LPG is inflammable, so the sharp smell of mercaptan helps colorless LPG. Be that as it may, now and again, Mercaptan removal is required to condensate the gas. The procedure of Mercaptan removal from LPG is known as sweetening.