A review of the occurrence and promising recovery methods of rare earth elements from coal and coal by-products

Wencai Zhang; Mohammad Rezaee; Abhijit Bhagavatula; Yonggai Li; John Groppo; Rick Honaker

doi:10.1080/19392699.2015.1033097

A review of the occurrence and promising recovery methods of rare earth elements from coal and coal by-products

Wencai Zhang, Mohammad Rezaee, Abhijit Bhagavatula, Yonggai Li, John Groppo, Rick Honaker

Research output: Contribution to journal › Article › peer-review

172 Scopus citations

Abstract

Previous research indicates that coal and coal by-products are a potential source of critical elements including rare earth elements (REE) with estimated amounts in the range of 50 million metric tons. Despite the proven presence of elevated REE concentrations, commercial extraction and recovery have not been realized. This article provides a review of the abundance, mode of occurrence, and recovery methods of rare earth elements in coal and coal by-products. The feasibility of using established REE extraction and recovery technologies is discussed along with issues associated with their use with coal resources.

Original language	English
Pages (from-to)	295-330
Number of pages	36
Journal	International Journal of Coal Preparation and Utilization
Volume	35
Issue number	6
DOIs	https://doi.org/10.1080/19392699.2015.1033097
State	Published - Nov 2 2015

Bibliographical note

Publisher Copyright:
© 2015 Taylor & Francis Group, LLC.

Keywords

Coal
Mode of occurrence
Rare earth elements
Recovery

ASJC Scopus subject areas

General Chemical Engineering
Mechanical Engineering
Energy Engineering and Power Technology
Geotechnical Engineering and Engineering Geology
Fuel Technology

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10.1080/19392699.2015.1033097

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AU - Groppo, John

AU - Honaker, Rick

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AB - Previous research indicates that coal and coal by-products are a potential source of critical elements including rare earth elements (REE) with estimated amounts in the range of 50 million metric tons. Despite the proven presence of elevated REE concentrations, commercial extraction and recovery have not been realized. This article provides a review of the abundance, mode of occurrence, and recovery methods of rare earth elements in coal and coal by-products. The feasibility of using established REE extraction and recovery technologies is discussed along with issues associated with their use with coal resources.

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KW - Mode of occurrence

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A review of the occurrence and promising recovery methods of rare earth elements from coal and coal by-products

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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