China's rare earth products to get rid of dependence on imports

To get rid of dependence on rare earth products imported from China, the United States is the country looking for abandoned mine in the residual elements, has a rare earth mine excavation, which may be an impact on China's rare earth-related enterprises.

The Associated Press reported on Sunday that as lanthanum and lutetium like 15 kinds of rare earth elements during the early gold rush has been found, it has not been without attention. Until recent decades, the rapid development of electronic equipment to promote the demand for these elements are also increasingly strong, these elements allow the battery to become more portable, allowing fluorescent screen lights up for the touch screen to add color.

USGS Mineral Resources official Larry Stewart Menezes said: "If these waste products proved to be valuable, then it is a win-win situation, on the one hand we can finally get rid of dependence on China, and secondly we You can also find the elements had not seen before. "

"Before we did not feel that their mining is sufficient to meet demand from China, and we think that earth became a weakness of the U.S. economy," USGS Mineral and Environmental Resources Science Center Director Ian Ridley said.

Two years ago, imported from China rare earth prices began to rise, the price of neodymium per kilogram from 2009 up to 2011 $ 15 500 dollars, the price of dysprosium oxide from 2010 to 114 U.S. dollars a kilogram rose to $ 2,830 in 2011 .

Price increases forced the U.S. government into emergency mode, the U.S. Geological Survey and the Department of Energy to send geologists to go searching all over the country. Now the United States is only a rare earth mine output, and its address is located at the southern California desert Yamaguchi. Part of Molycorp's mine is expected this summer, this can produce 20,000 tons of rare earth, including polished telescope lens for ceria.

Meanwhile, at the University of Nevada, Reno and the University of Colorado School of Mines, the U.S. Geological Survey researchers are using laser irradiation from the instrument during the Gold Rush in the excavated rocks and minerals to detect the presence of rare earth elements.

"We are now revisiting history," U.S. Geological Survey expert in charge of the project proposed grid representation Aaron Kay said.


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