Process and composition for the froth flotation beneficiation of iron minerals from iron ores
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United States of America Patent
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May 16, 1989
Issued Date -
N/A
app pub date -
Jun 27, 1988
filing date -
Feb 20, 1985
priority date (Note) -
Expired
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Abstract
A process and composition are provided for the froth flotation beneficiation of iron minerals from iron ores containing silicate and phosphate minerals, comprising as collectors a combination of a primary amine and a nitrogen compound containing an anionic group selected from methylene carboxylic acid, ethylene phosphoric acid and methylene phosphonic acid.
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