Patent · US Expired

Method of and apparatus for removing metal contained in solution and surfactant having chelating ability and used suitably for the same

US5650056A · kind A · utility

0Cited by
5References
3Claims
0Family size

Assignees

Inventors

Key dates

Filing dateAug 30, 1996
Grant dateJul 22, 1997
Priority date
Expiry dateAug 30, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S204/13
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An apparatus for removing metal contained in a solution through chelation which includes a means for adding a surface active agent containing a hydrophobic group, a hydrophilic group and a chelating group to a metal containing solution held within a metal solution accommodating means. An electric field applying means is adapted to apply an electric field to the solution containing means and further means is provided for separating an aggregate from the metal contained solution.

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