Patents Assigned to MPR Services
  • Amine heat stable salt removal from type II anion exchange resin
    Patent number: 5788864
    Abstract: A process for removing thiocyanate and other anions from Type II strong base anion exchange resins with an alkali metal hydroxide is disclosed. The process is particularly beneficial to the regeneration and/or reclamation of alkanolamine solutions laden with heat stable salts, especially thiocyanate.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: August 4, 1998
    Assignee: MPR Services
    Inventors: Steven H. Coberly, Thomas H. Laven, Arthur L. Cummings