Patents Assigned to Strategic Metals Ltd.
  • Processing of sulfate and/or sulfide-rich waste using CO-enriched gases to sequester CO, reduce environmental impacts including acid rock drainage and produce reaction products
    Patent number: 9284621
    Abstract: A process is provided for stabilizing a sulfate and/or sulfide-rich waste material, comprising metal sulfide minerals, and sequestering CO2 comprises exposing the material to a CO2-enriched gas mixture, reacting the CO2-enriched gas mixture with the metal sulfide minerals and forming a CO2-depleted gas mixture and a carbon-containing compound and at least one product selected from the group consisting of a purified metal or a metal-rich compound suitable for smelting or refining, sulfuric acid, sulfur and sulfurous acid, and system and apparatus therefor.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: March 15, 2016
    Assignee: Strategic Metals Ltd.
    Inventor: William Douglas Eaton
  • PROCESSING OF SULFATE AND/OR SULFIDE-RICH WASTE USING CO2-ENRICHED GASES TO SEQUESTER CO2, REDUCE ENVIRONMENTAL IMPACTS INCLUDING ACID ROCK DRAINAGE AND PRODUCE REACTION PRODUCTS
    Publication number: 20140127094
    Abstract: A process is provided for stabilizing a sulfate and/or sulfide-rich waste material, comprising metal sulfide minerals, and sequestering CO2 comprises exposing the material to a CO2-enriched gas mixture, reacting the CO2-enriched gas mixture with the metal sulfide minerals and forming a CO2-depleted gas mixture and a carbon-containing compound and at least one product selected from the group consisting of a purified metal or a metal-rich compound suitable for smelting or refining, sulfuric acid, sulfur and sulfurous acid, and system and apparatus therefor.
    Type: Application
    Filed: November 4, 2013
    Publication date: May 8, 2014
    Applicant: Strategic Metals Ltd.
    Inventor: William Douglas Eaton