Patent · US Expired

Removal of salts by electrodialysis

US5282939A · kind A · utility

6Cited by
5References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 29, 1991
Grant dateFeb 1, 1994
Priority date
Expiry dateOct 29, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A20/124
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Salts of polybasic low molecular weight acids are removed from aqueous solutions containing anionic organic compounds by electrodialysis by acidifying the aqueous solution before or during salt removal.

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