Patent · US Active

Reactive filtration

US7744764B2 · kind B2 · utility

8Cited by
55References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 15, 2008
Grant dateJun 29, 2010
Priority date—
Expiry dateAug 15, 2028

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2303/16
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

In one embodiment, a method for treating waste water includes passing ozonized waste water through a bed of moving sand.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.