Patent · US Expired

Electrolysis cell for generating chlorine dioxide

US7048842B2 · kind B2 · utility

10Cited by
21References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 2001
Grant dateMay 23, 2006
Priority date
Expiry dateNov 2, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W10/37
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A method for making chlorine dioxide, by passing an aqueous feed solution comprising sodium chlorite into a non-membrane electrolysis cell comprising an anode and a cathode, adjacent to the anode, while flowing electrical current between the anode and the cathode to electrolyze the aqueous feed solution and convert the halogen dioxide salt to halogen dioxide. The anode is preferably a porous anode through which the aqueous feed solution passes to maximize the conversion of chlorite to chlorine dioxide.

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