Patent · US Expired

Removal of selenium from aqueous media

US5264133A · kind A · utility

17Cited by
16References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 1992
Grant dateNov 23, 1993
Priority date
Expiry dateOct 8, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/912
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process for the removal of soluble selenium from aqueous media comprising contacting the aqueous media with a porous support material having exchanged thereon metal ions selected from transition metal ions, alkali earth metal ions and mixtures thereof.

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