×

Tidal vertical flow wastewater treatment system and method

  • US 6,863,816 B2
  • Filed: 06/17/2003
  • Issued: 03/08/2005
  • Est. Priority Date: 06/17/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. A wastewater treatment system comprising:

  • a first, a second, and a third vertical flow marsh cell, each having an outlet adjacent a bottom thereof, particulate media, and plants having roots extendible into the media, the roots and the media positioned to contact water flowing into each marsh cell;

    means for transporting water to be treated to a surface of the first and the second marsh cell, from the first marsh cell outlet to the second marsh cell surface, from the second marsh cell outlet to a surface of the third marsh cell, from the third marsh cell outlet to the first marsh cell surface for process recycling, and from the third marsh cell outlet to a discharge outlet, the water transporting means further comprising means for substantially emptying each marsh cell on a predetermined cycle for a predetermined time, for permitting aeration of contents of each marsh cell.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×