Patents Assigned to OMNIS MINERAL TECHNOLOGIES, LLC
  • Patent number: 11162042
    Abstract: A method of preparing agglomerates of ultra-fine coal particles includes mixing a film forming agglomeration aid (FFAA) with a quantity of ultra-fine coal particles to form ultra-fine coal particles coated with the FFAA. The FFAA has a lower surface energy relative to a surface of the ultra-fine coal particles. The FFAA is mixed with the ultra-fine coal particles in an amount less than 3% by weight of the ultra-fine coal particles on a dry basis. Agglomerates of the ultra-fine coal particles coated with the film forming agglomeration aid are formed using vibration, pelleting, and/or briquetting. The agglomerates have a size of at least 2 mm. The ultra-fine coal particles have a particle size less than 100 ?m. The agglomerate has a tumbler test friability less than 3%. The drop shatter friability is also less than 3%.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: November 2, 2021
    Assignee: OMNIS MINERAL TECHNOLOGIES, LLC
    Inventors: James S. Swensen, Jonathan K. Hodson, John G. Gritt, Nathan A. Chapman, Paul R. Samario, Michael R. Hodson, Simon K. Hodson
  • Patent number: 10526556
    Abstract: A method of preparing agglomerates of ultra-fine coal particles includes mixing a film forming agglomeration aid (FFAA) with a quantity of ultra-fine coal particles to form ultra-fine coal particles coated with the FFAA. The FFAA has a lower surface energy relative to a surface of the ultra-fine coal particles. The FFAA is mixed with the ultra-fine coal particles in an amount less than 3% by weight of the ultra-fine coal particles on a dry basis. Agglomerates of the ultra-fine coal particles coated with the film forming agglomeration aid are formed using vibration, pelleting, and/or briquetting. The agglomerates have a size of at least 2 mm. The ultra-fine coal particles have a particle size less than 100 ?m. The agglomerate has a tumbler test friability less than 3%. The drop shatter friability is also less than 3%.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: January 7, 2020
    Assignee: OMNIS MINERAL TECHNOLOGIES, LLC
    Inventors: James S. Swensen, Jonathan K. Hodson, John G. Gritt, Nathan A. Chapman, Paul R. Samario, Michael R. Hodson, Simon K. Hodson
  • Patent number: 10086330
    Abstract: Coal-derived mineral matter is used to capture or remove combustion gas emissions from flue gas or exhaust gas. The coal-derived mineral matter may be obtained by separating it from coal particles, such as by use of a flotation separation process. Coal-derived mineral matter may also be present in fine coal refuse. In the method of removing combustion gas emissions from flue gas, an aqueous suspension of coal-derived mineral matter particles is contacted with the combustion gas emissions for sufficient time to cause the combustion gas emissions to react with the aqueous suspension and form an enhanced aqueous suspension. The combustion gas emissions may comprise NOx, SOx, CO, or mixtures thereof. An aqueous suspension of coal-derived mineral matter particles containing enhanced amounts of soluble and insoluble sulfate, sulfite, nitrate, nitrite, or carbonate reaction compounds formed by reaction of the aqueous suspension of the coal-derived mineral matter particles with combustion gas emissions.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: October 2, 2018
    Assignee: OMNIS MINERAL TECHNOLOGIES, LLC
    Inventors: James S. Swensen, Douglas E. Grunder, Simon K. Hodson