Patents Assigned to Marathon Petroleum Co. LP
  • Method and apparatus for recovery and recycling of hydrogen
    Patent number: 7988753
    Abstract: An apparatus and method for recovering and recycling hydrogen from a reforming process raises the pressure of at least one hydrogen-rich gas stream from at least one catalyst lock hopper and delivers at least a portion of the pressurized hydrogen-rich gas stream to at least one predetermined downstream location. At least another portion of the pressurized hydrogen-rich gas is used to maintain the desired pressure within the hydrogen recovery and recycling process and apparatus.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: August 2, 2011
    Assignee: Marathon Petroleum Co. LP
    Inventors: Edward P. Fox, Dennis W. Keppers, Daniel M. Barrett, Larry L. Holt, Edward A. Bullerdiek, James H. Miller