Membrane assisted solvent extraction for rare earth element recovery
Abstract
Systems and methods for the recovery of rare earth elements are provided. The systems and methods generally include membrane assisted solvent extraction using permeable hollow fibers having an immobilized organic phase within the pores of the hollow fibers. The permeable hollow fibers are generally in contact with an acidic aqueous feed on one side thereof and a strip solution on another side thereof. The systems and methods generally include the simultaneous extraction and stripping of rare earth elements as a continuous recovery process that is well suited for post-consumer products, end-of-life products, and other recovery sources of rare earth elements.
- Inventors:
- Issue Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1438367
- Patent Number(s):
- 9968887
- Application Number:
- 14/724,985
- Assignee:
- UT-BATTELLE, LLC (Oak Ridge, TN)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
C - CHEMISTRY C22 - METALLURGY C22B - PRODUCTION AND REFINING OF METALS
- DOE Contract Number:
- AC05-00OR22725
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2015 May 29
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Bhave, Ramesh R., Kim, Daejin, and Peterson, Eric S. Membrane assisted solvent extraction for rare earth element recovery. United States: N. p., 2018.
Web.
Bhave, Ramesh R., Kim, Daejin, & Peterson, Eric S. Membrane assisted solvent extraction for rare earth element recovery. United States.
Bhave, Ramesh R., Kim, Daejin, and Peterson, Eric S. Tue .
"Membrane assisted solvent extraction for rare earth element recovery". United States. https://www.osti.gov/servlets/purl/1438367.
@article{osti_1438367,
title = {Membrane assisted solvent extraction for rare earth element recovery},
author = {Bhave, Ramesh R. and Kim, Daejin and Peterson, Eric S.},
abstractNote = {Systems and methods for the recovery of rare earth elements are provided. The systems and methods generally include membrane assisted solvent extraction using permeable hollow fibers having an immobilized organic phase within the pores of the hollow fibers. The permeable hollow fibers are generally in contact with an acidic aqueous feed on one side thereof and a strip solution on another side thereof. The systems and methods generally include the simultaneous extraction and stripping of rare earth elements as a continuous recovery process that is well suited for post-consumer products, end-of-life products, and other recovery sources of rare earth elements.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue May 15 00:00:00 EDT 2018},
month = {Tue May 15 00:00:00 EDT 2018}
}
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