Patents Represented by Attorney, Agent or Law Firm David J. Plasecki
  • Dividing wall column control system
    Patent number: 6551465
    Abstract: The operation of the dividing wall section of a dividing wall column is controlled by a control apparatus comprising a ratio controller which divides the liquid flowing into the dividing wall section. The rate of return of overhead liquid to the column is set by monitoring the temperature in the top of the product dividing wall section and the sidecut product draw rate is set by monitoring a temperature in the bottom of the product dividing wall section.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: April 22, 2003
    Assignee: UOP LLC
    Inventors: Charles P. Van Zile, James W. Harris