System for decreasing amount of organic solution in the liquid-liquid extraction process

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United States of America Patent

PATENT NO 8435442
APP PUB NO 20110068520A1
SERIAL NO

12991942

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Abstract

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The invention relates to a system used in the liquid-liquid extraction of metals, enabling the amount of organic solution required in the various stages of extraction to be significantly reduced. In accordance with the invention, the settler unit of one step belonging to an extraction system is selected to function also as the organic solution storage and pumping tank.

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Patent Owner(s)

  • OUTOTEC OYJ

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Laitala, Hannu Espoo, FI 7 14
Pekkala, Pertti Espoo, FI 15 113
Saarenpää, Timo Santiago, CL 1 0

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