Extraction of rare earths from coal and coal by-products as …

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., …

Demand for Rare Earths Sparks Research for Recovery from …

"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," it says.

Social and Environmental Impacts of Rare Earth Mining

The first major news stories of the environmental and social devastation caused by rare earth mining in China circulated in Anglophone media in 2009 (Margonelli 2009).Images of massive tailings ponds into which pipes belched mineral and chemical slurries against an industrial skyline in northern China were published alongside photos …

Rare earth metals from secondary sources: Review of …

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.

Rare earth element resource evaluation of coal …

Volume 158, April 2022, 112148. Rare earth element resource evaluation of coal byproducts: A case study from the Powder River Basin, Wyoming. D.A. Bagdonas a., …

Production of Salable Rare Earths Products from Coal 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 …

Characterization and Recovery of Rare Earths from …

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.

Continuous recovery of phosphoric acid and Rare-Earths …

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).

Rare Earth Elements Prices 101 (Updated 2024) | Nasdaq

According to Adamas Intelligence, "Elsewhere, projects across Sweden, South Africa, Australia and other countries aim to extract rare earths from mine waste and byproducts that could supply 8% of ...

Techno-Economic and Life Cycle Assessments for Sustainable Rare …

@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 …

Report on Rare Earth Elements from Coal and …

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 …

A Review of Rare-Earth Elements Extraction with Emphasis …

A Review of Rare-Earth Elements Extraction with Emphasis on Non-conventional Sources: Coal and Coal Byproducts, Iron Ore Tailings, Apatite, and Phosphate Byproducts

Separation of uranium and thorium from rare earths for rare …

1. Introduction. Recently, the demand for rare earths has increased significantly, driving the development of new processes to recover rare earths from a variety of new resources (Long et al., 2010, Krebs and Furfaro, 2013, Pawlik, 2013).Among a large number of rare earth minerals, only three are mainly used for rare earth …

Coal and coal byproducts: A large and developable …

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 …

Not So "Green" Technology: The Complicated Legacy …

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 …

Assessing the economic viability of unconventional …

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

Characterization and Recovery of Rare Earths from Coal and By-Products …

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

Boom in Mining Rare Earths Poses Mounting Toxic Risks

The chief worry is that the rare earth elements are bound up in mineral deposits with the low-level radioactive element thorium, exposure to which has been linked to an increased risk of developing lung, pancreatic, and other cancers. The Lynas plant in Malaysia is set to become the world's largest processing facility of rare earths.

Rare earth elements: A review of applications

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 …

Rare earth elements from coal and coal discard – A review

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. …

Minerals | Free Full-Text | Recent Work on the Recovery of Rare Earths …

The presence of these rare earths in different wastes varies for each element, ... A. Rare earth metals from secondary sources: Review of potential supply from waste and byproducts. Resour. Conserv. Recycl. 2021, 167, 105213. [Google Scholar]

Projects transforming waste, by-products to rare earths

April 4 (Reuters) - Six projects outside China, which dominates global rare earth production, plan to extract the critical minerals from waste or byproducts. The projects will produce rare earths ...

Critical Minerals and Materials | netl.doe.gov

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 ...

A biosorption-based approach for selective extraction of rare …

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 ...

Valorization of rare earth processing byproducts …

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 &. …

Element Enrichment in Coal and Coal Combustion …

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.

Concurrent Technologies Corporation Developing Process to Extract Rare

State-Funded Initiative Could Benefit National Security and Pennsylvania Economy CTC Researching Extraction of Rare Earth Elements from Coal Byproducts CTC researching extraction of rare earth ...

Recovery of Rare Earth Elements and Critical …

In this work we explore the resource and economic potential for extracting rare earth elements (REEs) from industry byproducts (e.g. coal combustion products, red …

The plan to turn coal country into a rare earth powerhouse

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 ...

Recovery of Rare Earth Minerals and Elements from Coal and Coal Byproducts

Recent studies have shown that rare earth and other critical elements exist in coal and coal byproducts at concentrations as high as 2000 ppm on an ash-basis. The rare earth elements have been ...