Invention Grant
- Patent Title: System for decreasing amount of organic solution in the liquid-liquid extraction process
- Patent Title (中): 液 - 液萃取过程中有机溶液量减少的系统
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Application No.: US12991942Application Date: 2009-05-12
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Publication No.: US08435442B2Publication Date: 2013-05-07
- Inventor: Timo Saarenpää , Hannu Laitala , Pertti Pekkala
- Applicant: Timo Saarenpää , Hannu Laitala , Pertti Pekkala
- Applicant Address: FI Espoo
- Assignee: Outotec Oyj
- Current Assignee: Outotec Oyj
- Current Assignee Address: FI Espoo
- Agency: Buchanan Ingersoll & Rooney PC
- Priority: FI20080359 20080515
- International Application: PCT/FI2009/050388 WO 20090512
- International Announcement: WO2009/138563 WO 20091119
- Main IPC: C21B3/02
- IPC: C21B3/02
Abstract:
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.
Public/Granted literature
- US20110068520A1 SYSTEM FOR DECREASING AMOUNT OF ORGANIC SOLUTION IN THE LIQUID-LIQUID EXTRACTION PROCESS Public/Granted day:2011-03-24
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