Patents Assigned to Well to Wire Emissions Control Inc.
  • Method and apparatus for hydrogen sulphide removal
    Patent number: 7144555
    Abstract: A method for removing hydrogen sulphide and carbon dioxide from a gas stream includes the step of contacting the gas stream with aqueous and gaseous ammonia in a closed vessel in the presence of solid iron. An apparatus for removing hydrogen sulphide and carbon dioxide from a gas stream includes a closed vessel for containing aqueous and gaseous ammonia and an iron source. The vessel is partitioned into inlet and outlet chambers and may itself serve as the iron source.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: December 5, 2006
    Assignee: Well to Wire Emissions Control Inc.
    Inventors: Stuart Squires, Orest Reminsky, Bryan Campbell