Patents Assigned to Societe Nationale Elf Aquitanie (produciton)
  • Catalytic removal of hydrogen sulphide from liquid sulphur
    Patent number: 4897251
    Abstract: The invention is an improved catalytic process for removing H.sub.2 S and sulfanes from liquid sulfur and a catalyst system for carrying out the process. The catalyst comprises a basic component and a surfactant component.
    Type: Grant
    Filed: March 9, 1988
    Date of Patent: January 30, 1990
    Assignee: Societe Nationale Elf Aquitanie (produciton)
    Inventors: Jacques Maurice, Romain Fouque, Jean-Louis Auriol