environmental considerations when refining mining and recycling rare earths

6. Potential Human Health and Ecological Risks of ...

6. Potential Human Health and Ecological Risks of Production, Processing, and Recycling of REEs . Since the early 1990s, EPA has performed a number of studies to evaluate the environmental risks to human health and the environment from hardrock mining and …

Öko-Institut e.V.: Rare earths – potentials for efficiency ...

These and other examples show that rare earth mining often results in contaminated sites with huge environmental and health risks. Without a long-term waste management concept, subsequent generations will be burdened with the responsibility for the disposal. Press release "Rare earth refining in Malaysia without coherent waste management ...

Environmental Cost of Refineries - MIT

Some of the smaller rare earth smelting separation facilities do not have any kind of environmental protection at all. These are generally the small, illegal refineries and mines. [6] In China, saponification with ammonia is still used in rare earth refining, so a large amount of waste water is still produced.

Rare Earth Elements: Overview of Mining, Mineralogy, Uses ...

Keywords: rare earth; mining, mineralogy, recycling, life cycle assessment 1. Introduction Rare earth elements (REEs) include the lanthanide series of the periodic table from atomic number of 57 to 71 starting with lanthanum (La) to lutetium (Lu) and including scandium (Sc) and yttrium (Y).

Rare Earth Metals and the Importance of Reusing Technology

Rare earth metals are used to make light bulbs, cell phones, electric cars, MRI machines, camera lenses, and other technology. Although rare earth metals are critical in the technology we use every day, mining and processing these metals is extremely hazardous to the environment.

Rare Earth Elements: A Review of Production, Processing ...

Rare Earth Elements: A Review of Production, Processing, Recycling, and Associated Environmental Issues Robert J. Weber Superfund and Technology Liaison. U.S. EPA Office of Research and Development. Office of Science Policy. Duty Station: U.S. EPA Region 7, Kansas City, Kansas. David J. Reisman. Director, Engineering Technical Support Center

Special Issue "Sustainable Development and Recycling of ...

Dec 31, 2019· Dear Colleagues, Sustainability leads the society in developing stages. It mainly is subject to on society, environment and economy. East Asian countries such as Korea, Japan, Singapore etc having very limited natural resources of rare earths (REs); Recycling subject concern the waste minimization, environmental/economic incentives, energy considerations and industrial ecology.

A Medley of Potpourri: Rare-earth element

Mining, refining, and recycling of rare earths have serious environmental consequences if not properly managed. A potential hazard could be low-level radioactive tailings resulting from the occurrence of thorium and uranium in rare-earth element ores. Improper handling of these substances can result in extensive environmental damage.

Mining Landfills - web.mit.edu

A major hurdle for the mining of landfills for strategic metals is the current limited nature of rare earth recycling. Until rare earths can be extracted and separated from used products in an economically beneficial manner, however, such products can be stockpiled upon reclamation until a time when their strategic elements can be extracted and ...

Recycling of rare earths: a critical review - ScienceDirect

Jul 15, 2013· Highlights Less than 1% of rare earths in end-of-life consumer products are being recycled. Recycling can help to ensure a supply of the most critical rare earths. Valuable waste streams are magnets, metal hydride batteries and lamp phosphors. Recycling of neodymium avoids overproduction of cerium and lanthanum. Recycling and primary mining of rare earths are …

Rare earth recycling: How can we keep our gadgets ...

Rare earth recycling: How can we keep our gadgets sustainable? By Libby Peake | 6 June 2017 ... with experts warning that extensive rare earth mining in that environment could have catastrophic impacts. As the world's thirst for new technologies shows no signs of abating, efforts to recycle and replace the rare earths in our many, many ...

Copper production & environmental impact - greenspec.co.uk

• The copper recycling process has much in common as that to extract it, but requires fewer steps. High-purity copper is melted in a furnace and then reduced; Low-purity copper is refined through electroplating in sulfuric acid. 5 The Environmental Impact of Copper . Release into the environment

Rare earth elements: A review of applications, occurrence ...

Rare-earth elements (hereinafter referred to as REE) are a group of seventeen chemical elements in the periodic table, in particular the fifteen lanthanides as well as yttrium and scandium as defined by the International Union of Pure and Applied Chemistry (IUPAC).

Rare Earths from Mines to Metals: Comparing Environmental ...

Over the past decade, China has supplied over 90% of global rare earths, and in doing so bore significant environmental burdens from processing its complex ores. In this study, we used life cycle assessment to quantify environmental impacts for producing 1 kilogram (kg) of 15 rare earth elements from each major production pathway.

Rare earth recycling: Is it worth it? | Ars Technica

Mar 25, 2014· Rare earth recycling: Is it worth it? Mining neodymium is dirty, but recycling may not be a panacea. ... rare earth mining and refining was performed by companies ranging in size from tiny ...

China's strategic dominance over "Tech Metals" - Rare ...

"Mining, refining, and recycling of rare earths have serious environmental consequences if not properly managed. A particular hazard is mildly radioactive slurry tailings resulting from the common occurrence of thorium and uranium in rare earth element ores.[67] Additionally, toxic acids are required during the refining process.[15]

Dirty, dangerous and destructive – the elements of a ...

Sep 26, 2011· Dirty, dangerous and destructive – the elements of a technology boom The environmental and human costs of rare earth metals are high. ... After mining and processing, rare earth metals coast ...

Rare Earth Elements - Purification, Separation and Recycling

The supply issue of rare earth elements (REE) has become an increasingly important issue both ... recycling of REE should be an important part of a circular economy, especially considering the large resource demands and negative environmental impact of current REE production processes. Though much research has been performed in the area, REE ...

Rare Earth Elements: A Review of Production, Processing ...

Expansion of mining operations and changes to milling and processing operations may require environmental review and additional permitting for these active mining operations. In addition to rare earth production from current mining sites, it could become …

Situation critical for critical metals - MINING.COM

Rare-earth metals like neodymium, dysprosium and praseodymium are called "critical elements" for a reason. They are critical to things like the magnets used in electric vehicles (EVs) and wind ...

Rare opportunity to recycle rare earths - Recycling Today

Jan 03, 2018· Recycling rare-earth metals is attractive for technical, financial and political reasons. In late 2010, China cut off exports of rare-earth metals to Japan in response to Japan's detention of a Chinese fishing trawler captain. The DOE established its Critical Materials Strategy in 2010 and its Critical Materials Institute (CMI) in 2013. CMI ...

Rare Earth Elements: A Review of Production, Processing ...

Rare Earth Elements: A Review of Production, Processing, Recycling, and Associated Environmental Issues Robert J. Weber Superfund and Technology Liaison U.S. EPA Office of Research and Development ... – Urban mining and/or recycling operatio ns will likely be similar to mineral processing since recovery

Rare Earth Elements: A Review of Production, Processing ...

Rare Earth Elements: A Review of Production, Processing, Recycling, and Associated Environmental Issues . Engineering Technical Support Center . Land Remediation and Pollution Control Division . National Risk Management Research Laboratory . Office of Research and Development . Cincinnati, OH

rare earth metals recycling Companies and Suppliers ...

Related terms for "rare earth metals recycling": rare earth metals companies Wamatech A/S Wamatech is a company selling machines and plants for the waste industry, to tread up waste into raw material.

Processing Is Key Element in US Rare-Earth Woes| Rare ...

Live Science is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission. Learn more Radioactive Mountain is Key in US Rare-Earth Woes

Special Issue "Sustainable Development and Recycling of ...

Dear Colleagues, Sustainability leads the society in developing stages. It mainly is subject to on society, environment and economy. East Asian countries such as Korea, Japan, Singapore etc having very limited natural resources of rare earths (REs); Recycling subject concern the waste minimization, environmental/economic incentives, energy considerations and industrial ecology.

Chemical Production, Oil Refining and Manufacturing

Chemical Production, Oil Refining and Manufacturing. Rare earth elements (REEs) are essential to many chemical and manufacturing processes. In fact, more than 50 percent of REEs in use today contribute to chemical and manufacturing processes.

Rare-earth element - Wikipedia

Mining, refining, and recycling of rare earths have serious environmental consequences if not properly managed. A potential hazard could be low-level radioactive tailings resulting from the occurrence of thorium and uranium in rare-earth element ores. Improper handling of these substances can result in extensive environmental damage.