Hydrogen sulfide has a signature smell of “rotten egg” and is known by several different names including swamp gas, manure gas, stink damp and sewer gas. It is a very hazardous gas that is colorless and flammable. Therefore hydrogen sulfide scavenger is used to eliminate this harmful gas from crude oil to crude oil be processed. Q2 Technologies is a chemical company that safely remove H2S and work according to your requirements.