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. On account of LPG, basic concentrates are utilized for Mercaptan removal, which is followed by catalytic recovery of alkali.