Castner, Hamilton

Castner, Hamilton (Young)

(1859–99) chemical engineer; born in Brooklyn, N.Y. In 1890, he developed a method for producing sodium by electrolysis of molten caustic soda, which was used in making aluminum, a method rendered obsolete by another's invention. Later he developed a cell for making high-purity caustic soda, which proved important in aluminum production.
The Cambridge Dictionary of American Biography, by John S. Bowman. Copyright © Cambridge University Press 1995. Reproduced with permission.
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