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rare earth metal environmental protection

The dark side of renewable energy — Earth Journalism Network

Aug 25, 2016· Back in 2014 the Chinese government declared a "war on pollution", which was followed up by "history's toughest" environmental protection law and standards for the rare earth industry on emissions and the use of water and energy.

Toxicological Evaluations of Rare Earths and Their Health ...

Mar 11, 2013· The rare earth elements (RE) are a group of metals comprised of yttrium, fourteen lanthanide elements, and sometimes scandium. Their unique physical and chemical properties have rendered them indispensable for a growing number of critical technologies.

Rare-earth element - Wikipedia

A rare-earth element (REE) or rare-earth metal (REM), as defined by the International Union of Pure and Applied Chemistry, is one of a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides, as well as scandium and yttrium.

(PDF) Social and Environmental Impact of the Rare Earth ...

Social and Environmental Impact of the Rare Earth Industries. ... US Environmental Protection Agen cy report in 2011: ... This article summarizes the occurrence of these metals in the Earth's ...

Special Report: How to Invest in Rare Earth Metals and Profit

Rare earth metals are at the core of every major technology today. Smartphones, laptops, wind turbines, electric cars, and medical devices — you name it. They're also widely used in defense technology, like jets and guided missile systems. Neodymium, dysprosium, praseodymium, and terbium, for ...

China's Minmetals says to close rare earth unit after ...

Aug 15, 2019· The Ministry of Ecology and Environment found that Ganxian n Rare Earth Ltd Co, a subsidiary of China Minmetals Rare Earth Co failed to address pollution issues and continued to violate environmental protection laws, the Xinhua news agency said earlier on Thursday.

RARE EARTH ELEMENTS: A REVIEW OF PRODUCTION, …

Rare earth elements (REEs) are a group of 15 chemical elements in the periodic table, specifically the lanthanides. Two other elements, scandium and yttrium, have a similar physiochemistry to the lanthanides, are commonly found in the same mineral assemblages, and are often referred to as REEs. REEs have not been mined in the United States for about 20 years, and prior to that time, the amount ...

Rare-earth mining in China comes at a heavy cost for local ...

Aug 07, 2012· Rare-earth mining in China comes at a heavy cost for local villages ... What are rare-earth metals? ... A study by the municipal environmental protection agency showed that rare-earth …

PBS Newshour: Are Wind Turbine Rare Earth Minerals Too ...

The head of China's Rare Earth Research Institute shows me one of those permanent magnets. He's well aware of the issues. ZHAO ZENGQI, Baotou Rare Earth Research Institute: The environmental problems include air emissions with harmful elements, such as fluorine and sulfur, wastewater that contains excessive acid, and radioactive materials, too ...

Rare earth metals: tech manufacturers must think again ...

Mar 26, 2014· Rare earth metals are the crucial ingredient in many of our tech products. From smartphones, tablets and laptops, to the niche technology used by the military and medical profession, all …

Regulation of environmental and health impacts in the rare ...

The list of environmental concerns that can be connected with rare earth elements is not a brief one. Throughout the cycle of mining processes that rare earth elements go through, there is potential for negative effects on the environment. Extracting rare earth elements begins with mining. This is followed by the refining process, and then ...

China can't control the market in rare earth elements ...

Apr 17, 2018· Rare earth metals are integral to a lot of modern technology, and China controls the vast majority of the world's supply. But is this really a problem? A new discovery of rare earth materials by ...

What Are Rare Earths? - rareearthtechalliance.com

What Are Rare Earths? Rare earths are a series of chemical elements found in the Earth's crust that are vital to many modern technologies, including consumer electronics, computers and networks, communications, clean energy, advanced transportation, health care, environmental mitigation, national defense, and many others.

Rare Earth Metals: Will We Have Enough?

Sep 19, 2012· More mining of rare earth metals, however, will mean more environmental degradation and human health hazards. All rare earth metals contain radioactive elements such as uranium and thorium, which can contaminate air, water, soil and groundwater.

Report and recommendations of the Environmental …

The Yangibana Rare Earths Project (the proposal) was referred to the Environmental Protection Authority (EPA) by the proponent Hastings Technology Metals Pty Ltd on 31 January 2017. The proposal is to mine and process rare earth element ore and is located 270 kilometres east-northeast of Carnarvon in the Shire of Upper Gascoyne.

1 James Hedrick, Rare Earths, from Mineral Commodity ...

1 James Hedrick, "Rare Earths," from Mineral Commodity Summaries, U.S. Bureau of Mines, January 1995, pp. 134-135. 2 U.S. Environmental Protection Agency, Technical Background Document, Development of the Cost, Economic,and Small Business Impacts Arising from …

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

Introduction to the Rare Earth Elements • 15 lanthanides • La through Lu – Pm is rare in nature – mostly human-made • Plus scandium and yttrium are often included • a.k.a. Rare Earth Minerals, Oxides, and/or Metals 5/21/2012 U.S. Environmental Protection Agency. 3. Powders of six rare earth elements oxides. Photograph by

Xi's visit boosts rare earth stocks in China-Shanghai ...

May 21, 2019· Imports of rare earth-related commodities were halted from May 15 by Tengchong Customs in Yunnan province, the sole entry point for rare earth shipments from Myanmar to China. Curbs on rare earth imports from Myanmar, together with tighter domestic regulations on environmental protection and higher tariffs on rare earth ore imports from the US ...

Rare Earth Metals and the Environment | RecycleNation

Rare earth metals are found in an ever-increasing number of products we use every day, and there are major environmental concerns and serious health issues associated with the extractions of these metals. In an effort to educate myself, I read a number of different articles and studies until I found one that really described in detail rare earths, environmental impacts, applications of rare ...

TENORM: Rare Earths Mining Wastes | Radiation Protection ...

Processing rare earth minerals involves the separation and removal of uranium and thorium, which results in TENORM wastes. For detailed information and publications about rare earths, including statistics about domestic and international mining and use, see the U.S. Geological Survey Rare Earth Minerals Information page.

Rare earth metals for automotive exhaust catalysts ...

The usage of rare earth metals for automotive exhaust catalysts is demonstrated in this paper. Rare earth metals have been widely used in automotive catalysts. In particular, three-way catalysts require the use of ceria compounds as oxygen storage materials, and lanthana as …

Environmental Damage - MIT

The list of environmental concerns that can be connected with rare earth elements is not a brief one. Throughout the cycle of mining processes that rare earth elements go through, there is potential for negative effects on the environment. Extracting rare earth elements begins with mining. This is followed by the refining process, and then ...

An Analysis of the Environmental Impacts of the ...

The exploitation of rare earth metals is known to be associated with various negative ecological impacts. This chapter provides a general description of some of these impacts and outlines some areas where attention is needed.

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

This document provides a description of the many environmental facets of the rare earth mining and disposal issues, and explains the need for a national strategy for the continued supply of required REEs in future technological development nationally and internationally, and for the reuse of these materials versus disposal in landfills.

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.

Green Chemistry Challenge: 2017 Academic Award | US EPA

About 17,000 metric tons of rare earth oxides are used in the U.S. annually in materials such as wind turbines, catalysts, lighting phosphors, electric motors, batteries, cell phones, and many others. Mining, refining, and purification of rare earths are extraordinarily energy and waste intensive and carry a significant environmental burden.

Investigating Rare Earth Element Mine Development in EPA ...

United States government agencies, including EPA, can learn a lot from China's environmental issues related to rare earth element production. As discussed, mining and refining processes can introduce radionuclides, rare earth elements, metals, and other potential contaminants into the environment at unnaturally high rates. Once introduced into the

Rare earth metals: Will we have enough? - Phys.org

Sep 20, 2012· Life in the 21st century wouldn't be the same without rare earth metals. Cell phones, iPads, laptops, televisions, hybrid cars, wind turbines, solar cells and many more products depend on rare ...

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