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Scrap-Metal Separation May Become Cheaper

According to the Environmental Protection Agency, the United States throws 14.8 million tons of scrap metal into landfills every year. One of the main reasons is the difficulty of large-scale separation of non-ferrous metals. Scientists at the University of Utah now say they have solved that problem. Recycling metals is much cheaper than extracting them from the ore. But chopping up old cars, appliances or industrial equipment results in a mixture of different metal parts. Iron and...

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