3 Citations. 17 Altmetric. Metrics. Abstract. Sourcing rare earth elements (REEs) from unconventional feedstocks has substantial environmental and …

@article{osti_1569277, title = {Production of Salable Rare Earths Products from Coal and Coal Byproducts in the U.S. Using Advanced Separation Processes (Final Technical Report)}, author = {Keim, Steven Anthony and Naumann, Hans}, abstractNote = {The entirety of the report that follows this brief Executive Summary Chapter is the …

Tetra Tech, Inc. (Houston) will build on prior technology development to complete a FEED study located in Pennsylvania on recovering rare earths and potentially other critical minerals from coal byproducts while processing the clays to a salable grade. More details about the selected projects can be found here.

Rare earth elements (REEs) are a group of 17 chemical elements in the periodic table, including scandium, yttrium and 15 lanthanides. REEs are critical materials and have significant values in national security, energy production, environmental protection and economic growth. 1 Due to the special electro-magnetic, metallurgical and optical …

The primary objective of this project was to develop and demonstrate an integrated pilot-scale circuitry for recovering high-value rare earth elements (REEs) from coal and coal byproducts. The target performance was to produce a mixed REE product with content of at least two percent by weight on a dry mass basis in a cost-effective and ...

U.S. Department of Energy Office of Scientific and Technical Information. Search terms: Advanced search options. ...

DOI: 10.1016/j.seppur.2020.116726 Corpus ID: 214513994; A biosorption-based approach for selective extraction of rare earth elements from coal byproducts @article{Park2020ABA, title={A biosorption-based approach for selective extraction of rare earth elements from coal byproducts}, author={Dan M. Park and Andrew C. Middleton …

This work provides high level guidance on the potential of secondary sources by characterizing quality (concentrations of different rare earths) and quantity (mass of rare earths in global scale wastes and byproducts). This significant first step helps clarify directions for policy and research and development investments.

Overall, for every ton of rare earth, 2,000 tons of toxic waste are produced. China currently dominates the REE market, accounting for 85 percent of the global supply in 2016. Australia is the …

The primary resources of rare earths in India are limited and associated with many processing challenges. In this scenario, it is important and timely to explore the non-traditional sources of rare earths to meet the domestic demand of country in the future. ... Review of potential supply from waste and byproducts. Resour. Conserv. Recycl., …

Primary economical deposits of rare-earth elements (REEs) are exhausting all over the world, and it has become necessary to find new sources and methods for their extraction. In addition, increasing the application of REEs in modern technological society has increased its demand globally. One of the important movements to compensate for …

The recovery of high-added value products from phosphate byproducts presents currently a great economic and environmental interests. Rare earth elements (REEs) are present in different byproducts of the fertilizer industry including phosphate tailings, phosphogypsum and phosphoric acid sludge (PAS).

Secondary byproducts derived from mining and fossil-energy related waste streams such as produced water, coal fly ash, acid mine drainage, and alloy production residues. ... the U.S. Department of Energy announced up to $30 million to help lower the costs of the onshore production of rare earths and other critical minerals and materials from ...

Laudal and colleagues have demonstrated they can generate a product with 60 to 90% (600,000 to 900,000 ppm) rare earths from lignite. They are now scaling up their solvent extraction process to a ...

Biosorption enables selective extraction of rare earths from coal leachates. ... Coal byproducts represent an abundant and untapped potential source of critical rare earth elements (REEs). In this study, we tested the efficacy of a biosorption-based approach to recover REEs from leachate solutions derived from North Dakota lignite coal and ...

Xenotime deposits (xenotime is a rare earth phosphate mineral which is a rich source of yttrium and heavy rare earths) in Madhya Pradesh, carbonatite-alkaline complex in Ambadongar, Gujarat, polymetallic mineralization in Siwana Ring Complex, Rajasthan (Banerjee et al., 2014) are some of the promising areas for REE exploration and …

Valorization of rare earth processing byproducts for agriculture usage. Mohamed Musa Hanafi, Parisa Azizi, Sheu Tijani Akinbola, Roslan Ismail, Abdul Rahim Sahibin, Idris Wan Mohd Razi &. …

Rare earths and REE-enriched minerals existing within the crystal structure of coal and coal discard may be relatively difficult to leach as a result of REE ... Techno-economic and life cycle assessments for sustainable rare earth recovery from coal byproducts using biosorption. ACS Sustainable Chem. Eng., 8 (2020), pp. 17914-17922. …

They are present in 1) coal combustion products such as fly ash, bottom ash, and incinerator ash, 2) industrial byproducts like slags, dross, phosphogypsum, and red …

The byproducts from the process have been leached of metals (valuable and toxic) allowing them to be used safely as bulk materials for construction or composite materials. The process has the disadvantages of requiring high temperatures and pressures needed for ... (rare earths, Mn, Co, Li, etc.) extraction and processing have been identified ...

The National Energy Technology Laboratory's (NETL) Research & Innovation Center (RIC) is conducting a collaborative Field Work Proposal (FWP) to develop technologies for the recovery of rare earth elements (REE) from coal and coal by-products. The purpose of this FWP is to provide a pathway to improve the economics, reduce the environmental …

@article{osti_1836209, title = {Techno-Economic and Life Cycle Assessments for Sustainable Rare Earth Recovery from Coal Byproducts using Biosorption}, author = {Alipanah, Majid and Park, Dan M. and Middleton, Andrew and Dong, Ziye and Hsu-Kim, Heileen and Jiao, Yongqin and Jin, Hongyue}, abstractNote = {Coal byproducts could …

carbon dioxide. The possible recovery of rare earth elements from abundant coal and byproducts is an exciting new research area, representing a dramatic paradigm shift for coal. Additional data is needed on the rare earth contents of coals and byproducts in order to determine the most promising potential feed materials for extraction processes.

materials unattractive, using only physical separation techniques. However, given the significant. production of rare earths through ion exchange extraction in China, two U.S. coal byproducts ...

The United States' annual rare earth demand stands at around 12,000 to 13,000 metric tons. "Very rough estimates tell us if we could extract 100 percent of the rare earths from each of these ...

Economics of rare earth extraction from coal byproducts are sensitive, but show promise when compared to traditional mining. ... This is a promising result, especially given that it is more costly to refine rare earths from mined material than from ash. The results are highly sensitive to rare earth prices: given low long-term prices, none of ...

Fossil Energy (FE) explored the potential of coal and coal byproducts as viable sources of Rare Earth Elements (REE). A series of activities to assess REE resources associated …

WASHINGTON, D.C. — As part of President Biden's Investing in America agenda, the U.S. Department of Energy (DOE) today announced over $17 million for …

Description. Research has been published over the past few decades on the possible use of thorium in various nuclear power reactor types. Therefore, it is worthwhile to analyse the supply situation for additional thorium generated as a by-product of commodities produced for non-nuclear purposes. This publication provides information on the ...

recovery of rare earths from abundant domestic coal by-products in 2014. The NETL Rare Earth EDX Database [2] is a resource for rare earth information as related to coal and byproducts.