Patents Assigned to D. Thomas Murphy
  • Wastewater treatment process with cooperating velocity equalization, aeration and decanting means
    Patent number: 5186821
    Abstract: A wastewater treatment system is disclosed which utilizes only one fiberglass tank which has no compartments but includes a first flow equalization collector surrounded by a cylindrical partition which vertially eliminates hydraulic turbulence and creates a pre-strat zone. A novel floating decanter is disclosed and programmable circuitry including timing of aeration, liquid levels and decanting processes with the results of producing a quality supernatent affluent heretofore unavailable in such a simple system.
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: February 16, 1993
    Assignee: D. Thomas Murphy
    Inventor: D. Thomas Murphy