Electrochemical production of an alkaline solution using CO2

US7993511B2 · kind B2 · utility

Assignee

• Calera Corporation · US

Inventors

• Ryan J. Gilliam · San Jose, US
• Valentin Decker · San Jose, US
• Nigel Antony Knott · Campbell, US
• Michael Kostowskyj · Los Gatos, US
• Bryan Boggs · Eugene, US

Key dates

• Filing date: Nov 12, 2009
• Grant date: Aug 9, 2011
• Expiry date: Nov 12, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B32/60
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

An electrochemical system comprising a cathode electrolyte comprising added carbon dioxide and contacting a cathode; and a first cation exchange membrane separating the cathode electrolyte from an anode electrolyte contacting an anode; and an electrochemical method comprising adding carbon dioxide into a cathode electrolyte separated from an anode electrolyte by a first cation exchange membrane; and producing an alkaline solution in the cathode electrolyte and an acid.