Selective base metals leaching from laterite ores

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United States of America Patent

PATENT NO 8597601
APP PUB NO 20130028816A1
SERIAL NO

13487097

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Abstract

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A process to use ferric sulphate equilibrium to reduce overall acid consumption and iron extraction, the process comprising the steps of: (i) sulphating; (ii) selective pyrolysis and (iii) selective dissolution.

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Patent Owner(s)

Patent OwnerAddress
VALE S ATORRE OSCAR NIEMEYER PRAIA DE BOTOFOGO N 186 SALA 701 A SALA 1901 BOTOFOGO RIO DE JANEIRO 22250-145

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berni, Tiago Valentim Belo Horizonte, BR 9 28
Mendes, Flavia Dutra Belo Horizonte, BR 9 60
Pereira, Antonio Clareti Belo Horizonte, BR 8 23

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