Patent · US Expired

Method of operating alkali chloride electrolytic cell

US6402929B1 · kind B1 · utility

3Cited by
7References
2Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 7, 2000
Grant dateJun 11, 2002
Priority date
Expiry dateJul 15, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25B1/46
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method of operating an alkali chloride electrolytic cell, comprising: providing an alkali chloride electrolytic cell comprising a gas diffusion cathode and a cation-exchange membrane, the gas diffusion cathode and cation-exchange membrane defining a caustic chamber; allowing a caustic alkali aqueous solution to flow in the caustic chamber at a linear velocity of at least 1 cm/sec.

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