Patent · US Expired

Method and apparatus for treatment of drinking water

US6783681B2 · kind B2 · utility

7Cited by
13References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 2001
Grant dateAug 31, 2004
Priority date
Expiry dateApr 11, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2321/185
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An apparatus and method for the treatment and purification of drinking water combines the use of an ion-exchange resin and a membrane filter (12) in a single process tank. The ion-exchange resin is removed from the process tank (14) and regenerated for reuse.

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