Patent · US Expired

Apparatus and method for treatment of water

US6217770A · kind A · utility

35Cited by
29References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 1998
Grant dateApr 17, 2001
Priority date
Expiry dateAug 14, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86292
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A water treatment process using a membrane separation apparatus to separate clean product water from a contaminated water source, the membrane is provided within a housing having inlet ports for collecting concentrated and product water, and the apparatus also includes a concentration chamber and a venturi for injecting gas in the concentration chamber and producing a return stream.

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