The gold-mining industry is one of the most environmentally destructive industries in the world. While there are a variety of reasons for this, one of the most prominent is the wide-scale use of cyanide as a means to extract gold from crude sources. But now, new research from Northwestern University may have addressed this, with the discovery of an effective alternative to cyanide - an inexpensive and environmentally benign method using simp ...
http://cleantechnica.com/2013/05/15/turning-gold-green-non-toxic-metho
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