Also known as: Thiol

Mercaptans are highly odorous sulfur-containing hydrocarbons that are often removed from light products such as LPG or jet fuel in a merox unit.

Mercaptans have a chemical structure that includes a hydrogen atom bonded to a sulfur atom bonded to a carbon atom, with the generic formula R-SH.

Mercaptans can be removed in hydrotreaters and by sweetening in merox units.

The Refinery Reference Desk includes content derived from our industry experts as well as from public data sources such as company websites. Nothing herein is intended to serve as investment advice. This material is based on information that we believe to be reliable and adequately comprehensive, but we do not represent that such information is in all respects accurate or complete. McKinsey Energy Insights does not accept any liability for any losses resulting from use of the content.

McKinsey uses cookies to improve site functionality, provide you with a better browsing experience, and to enable our partners to advertise to you. Detailed information on the use of cookies on this Site, and how you can decline them, is provided in our cookie policy. By using this Site or clicking on "OK", you consent to the use of cookies.