UUOOPP AAmmiinnee GGuuaarrddTTMM FFSS TTeecchhnnoollooggyy ffoorr AAcciidd GGaass RReemmoovvaall ©2009 UOP LLC. All rights reserved. UOP 5241B-01 Agenda  Overview of the Amine Guard FS process  UCARSOLTM Solvent characteristics  Amine Guard FS flow scheme comparison  Equipment features  UOP technology transfer  UOP Experience and Technical Services  Summary UOP 5241B-02 UUCCAARRSSOOLL iiss aa ttrraaddeemmaarrkk ooff tthhee DDooww CChheemmiiccaall CCoommppaannyy Overview of the Amine Guard FS Process  Licensed amine technology  Removal of CO & H S to low levels or 2 2  Selective H S Removal 2 – Low H S spec, with as much as 75% CO slip 2 2  UCARSOL Formulated Solvent from Dow  Several flow scheme options available  UOP MD™ Trays or Raschig Super Rings to maximize performance UOP 5241B-04 Amine Guard FS Process Do’s and Don’ts DDoo’’ss DDoonn''ttss  RReemmoovvee CCOO && HH SS  MMeerrccaappttaann RReemmoovvaall 22 22  SSeelleeccttiivvee HH SS rreemmoovvaall 22  NNaattuurraall GGaass ttoo ppiippeelliinnee ssppeeccss  NNaattuurraall GGaass ttoo LLNNGG ssppeeccss  DDoowwnnssttrreeaamm ooff aa mmeemmbbrraannee ffoorr CCOO //HH SS 22 22 ppoolliisshhiinngg  TTrreeaatt SSyynntthheessiiss ggaass ffoorr HH ,, NNHH oorr ootthheerr 22 33 aapppplliiccaattiioonnss UOP 4375A-19 Overview of the Amine Guard FS Process Markets served include:  Synthesis gas treating for CO removal in synthesis 2 gas plants, such as direct iron ore reduction  Synthesis gas treating for selective H S removal in 2 integrated gasification combined cycle (IGCC) plants  Natural gas treating for selective removal of H S 2 and partial removal of CO for pipeline 2 specifications  High CO partial pressure service for reduced 2 energy consumption compared with conventional amines, such as steam reformed ammonia plants UOP 5241B-03 Agenda  Overview of the Amine Guard FS process  UCARSOL Solvent characteristics  Amine Guard FS flow scheme comparison  Equipment features  UOP technology transfer  UOP Experience and Technical Services  Summary UOP 5241B-05 UCARSOL Solvent Characteristics UCARSOL AP-800 Series Solvent Features: State of the art amine technology MDEA based solvent with low concentrations of activator – Activator accelerates slow overall kinetics of CO 2 reaction with MDEA – Solvent formulation is chosen to provide the desired amount of CO slip 2 – AP-814 used for LNG applications to achieve very low residual H S & CO content of product gas 2 2 – Activator significantly reduces packed heights of towers UOP 5241B-06 UCARSOL Solvent Characteristics UCARSOL AP-800 Series Solvent Features (cont’d):  High thermal and chemical stability  Non-corrosive (no corrosion inhibitors needed)  No solvent reclaiming or purging for typical applications  Non – foaming  Inventory stored in worldwide locations UOP 5241B-07 Agenda  Overview of the Amine Guard FS process  UCARSOLTM Solvent characteristics  Amine Guard FS flow scheme comparison  Equipment features  UOP technology transfer  UOP Experience and Technical Services  Summary UOP 5241B-08 Amine Guard FS Flow Scheme Options  Feed CO & H S partial pressures vs. product specs 2 2  Higher PP allows exploitation of flash regeneration  Low level H S product specifications require some 2 thermal regeneration  Each application will have its own optimal flow scheme solution UOP 5241B-09