Available Technology

Mercury-free fusible alloy for electrolyzing salts

An apparatus and method is provided for the production of alkali metals and caustic solutions. The apparatus and method do not require the use of toxic liquid mercury-sodium amalgam electrodes. The apparatus and methods utilize a bismuth-indium-tin eutectic alloy as a substitute for the mercury electrode used in a conventional Castner-Kellner apparatus.
Inventors: 

Peter Yaw-Ming Hsieh

Patent Number: 
US2013319876
Patent Issue Date: 
January 5, 2014
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