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Title: Continuous solvent extraction process for generation of high grade rare earth oxides from leachates generated from coal sources

Abstract

A continuous solvent extract process is provided for concentrating rare earth elements from leachates generated from coal sources. The process involves solvent extraction which utilizes an organic extractant mixed into an organic solvent.

Inventors:
; ;
Issue Date:
Research Org.:
Univ. of Kentucky, Lexington, KY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1860117
Patent Number(s):
11186895
Application Number:
16/534,738
Assignee:
University of Kentucky Research Foundation (Lexington, KY)
Patent Classifications (CPCs):
C - CHEMISTRY C22 - METALLURGY C22B - PRODUCTION AND REFINING OF METALS
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
DOE Contract Number:  
FE0027035
Resource Type:
Patent
Resource Relation:
Patent File Date: 08/07/2019
Country of Publication:
United States
Language:
English

Citation Formats

Werner, Joshua Michael, Chandra, Alind, and Honaker, Rick Q. Continuous solvent extraction process for generation of high grade rare earth oxides from leachates generated from coal sources. United States: N. p., 2021. Web.
Werner, Joshua Michael, Chandra, Alind, & Honaker, Rick Q. Continuous solvent extraction process for generation of high grade rare earth oxides from leachates generated from coal sources. United States.
Werner, Joshua Michael, Chandra, Alind, and Honaker, Rick Q. Tue . "Continuous solvent extraction process for generation of high grade rare earth oxides from leachates generated from coal sources". United States. https://www.osti.gov/servlets/purl/1860117.
@article{osti_1860117,
title = {Continuous solvent extraction process for generation of high grade rare earth oxides from leachates generated from coal sources},
author = {Werner, Joshua Michael and Chandra, Alind and Honaker, Rick Q.},
abstractNote = {A continuous solvent extract process is provided for concentrating rare earth elements from leachates generated from coal sources. The process involves solvent extraction which utilizes an organic extractant mixed into an organic solvent.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {11}
}

Works referenced in this record:

Method for re-extraction of rare-earth metals from organic solutions and preparing concentrate of rare-earth metals
patent, February 2018


Processing for the Extraction of Rare Earth Elements
patent-application, September 2017


Method for extracting and separating rare-earth element
patent, September 2017


Rare earth element recovery method
patent, June 2015


Rare Earth Element Extraction from Coal
patent-application, September 2018


Leaching method of rare-earth metals using hydrochloric acid from manganese nodule
patent, August 2016


Preparation of Rare Earth Metals and Other Chemicals from Industrial Waste Coal Ash
patent-application, May 2019


Method for processing ash, particularly fly ash
patent, October 2017


Processes for recovering metals from aqueous solutions
patent, November 2017


Tributyl phosphate-nitrate solvent extraction process for producing high purity nuclear grade rare earth metal oxides
patent, November 2015


Acid Digestion Processes for Recovery of Rare Earth Elements from Coal and Coal Byproducts
patent-application, December 2017