Patents Assigned to Arctech Inc.
  • Patent number: 9011577
    Abstract: A highly alkalized humic and fulvic filter reagent for the removal of multiple contaminants from a gas is provided. The contaminants removed from the gas stream may include, but are not limited to, Carbon Dioxide, Sulfur Oxide, Nitrogen Oxides, Hydrogen Sulfides, radionuclides, mercaptans, ammonia, toxic metals, particulates, volatile vapors, and organics. The present invention further includes the disposal of the filter reagent by way of using the highly alkalized humic and fulvic filter for soil fertility, releasing the carbon dioxide from the filter reagent, converting the liquid filter reagent into a solid for disposal or for use as a contaminant removal filter for waters, wastes, and chemicals.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: April 21, 2015
    Assignee: Arctech Inc.
    Inventors: Daman S. Walia, Ashok T. Jain, Shinwoo Lee
  • Patent number: 6287873
    Abstract: A microbial consortium, ATCC 202177, is enriched to remove target sulfur compounds from gases in the presence of ammonia, cyanide, carbon monoxide, and other toxic gases and mixtures thereof. The ATCC 202177 consortium is cultured in an anaerobic or aerobic nutrient medium until enough cells of ATCC 202177 are recovered to remove the target sulfur species at a pressure ranging from 1 to 80 atmospheres.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: September 11, 2001
    Assignee: Arctech Inc.
    Inventors: Kailish C. Srivastava, Seema Garg, Daman S. Walia
  • Patent number: 5538530
    Abstract: A one step process is provided which denitrifies explosives and propellants and reclaims the evolved nitrogen therefrom while concurrently modifying the remaining carbonaceous materials into humic acid suitable for plant fertilizer applications. Explosives and propellants are hydrolyzed with a solution of ACTOSOL.RTM. humic acid extract. The humic acid extract fixes the free nitrogen evolved, preventing its loss as ammonia or NO.sub.x gases. The ACTOSOL.RTM. fixed nitrogen is then available directly to plants as slow-release nitrogen, and can directly replace nitrogen derived from urea or other sources in plant fertilizers., The carbonaceous material remaining from the denitrification process is non-explosive and is taken up in the humic acid matrix. This material is immediately available to plants as a carbon source.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: July 23, 1996
    Assignee: Arctech Inc.
    Inventors: Harley L. Heaton, Daman S. Walia, Joseph J. Stashick