Chevron Lummus Global (CLG), a joint venture between McDermott's Lummus Technology and Chevron U.S.A., Inc., offers several proven technologies for resid hydroprocessing.
CLG’s fixed-bed atmospheric residuum desulfurization (RDS) technology and ebullating bed LC-FINING™ technology provide high product yields and deep removal of sulfur, nitrogen and metals from difficult feedstocks.
Link to CLG: http://www.chevrontechnologymarketing.com/CLGtech/Resid_Hydroprocessing.aspx