Patents by Inventor John VanSloun

John VanSloun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Recovery of methane from land fill gas
    Patent number: 4770676
    Abstract: High purity methane and carbon dioxide are recovered from landfill gas in an integrated multi-column adsorption system having a temperature swing adsorption section (TSA) for pretreatment of the crude landfill gas to remove trace impurities therefrom, the thus cleaned gas being fed to a pressure swing adsorption section (PSA) for bulk separation of CO.sub.2 from methane. Regeneration of the impurity-laden adsorbent bed of the TSA section is carried out using part of the CO.sub.2 product gas recovered from the PSA section which gas is heated to thermal regeneration temperature.
    Type: Grant
    Filed: September 3, 1987
    Date of Patent: September 13, 1988
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Shivaji Sircar, Ravi Kumar, William R. Koch, John VanSloun