Patents Assigned to Tetra Process Technologies Seven Trent Services Company
  • Method and system for filtration of wastewater
    Patent number: 7396466
    Abstract: A system (10) comprising multiple units (40a-40h) and method for filtration of wastewater (20) is disclosed. Simultaneous denitrification of a single filter unit and normal filtration of the remaining filter units is provided for. Separate flow control systems (36) are described.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: July 8, 2008
    Assignee: Tetra Process Technologies Seven Trent Services Company
    Inventors: Joseph M. Bonazza, Donald J. McCarty, Navin Kadakia, David C. Slack