Harris process

Harris process

[′har·əs ‚prä·səs]
(metallurgy)
A method for refining lead in which the liquid bullion is sprayed through molten caustic soda and molten sodium nitrate; arsenic, antimony, and tin are oxidized, converted into sodium salts, and skimmed from the bath.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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