Sulpholane - CSIR - IIP Technology Publisher: Sambasiva Rao Sulpholane which was developed by IIP, dehradun is having these applications ??? Solvent for extraction processes such as aromatics from catalytic reformate, hydro treated pyrolysis naphtha and kerosene ??? Used for removal of acidic gases like H2S, CO2 and mercaptans from variety of sour gas streams including natural gas