Patents Assigned to NM Tech Research Foundation
  • Method of reducing the contamination level of a solvent purification system, and such solvent purification system
    Patent number: 6241892
    Abstract: A solvent purification system and method of reducing the contamination level thereof are provided. Contaminated solvent is directed under pressure across at least one cross-flow membrane unit, and the waste stream therefrom is conveyed through at least one membrane precipitator unit to precipitate out contaminant, or selectively precipitate out solutes.
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: June 5, 2001
    Assignee: NM Tech Research Foundation
    Inventor: Thomas M. Whitworth