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Coltan, the Congo and your cell phone - MIT
11 Apr 2011 From Coltan ores are extracted the metals tantalum and niobium which have several on the market price, the extraction and processing costs, and the levels of recycling. individuals clear some jungle, dig into the soil, extracting and washing nuggets of ore from electronic equipment (see Figure 3).
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Figure 2.1 Evolution of and Forecast for Prices of Metals and Minerals. (US$ Year 2005=100) China National Machinery and Equipment Import and Export Corporation. ECCAS. Economic nium, iron, titanium, coltan, niobium, manganese, and gold) or to preserve topsoil and vegetation, preferring to wash it away with
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24 Sep 2020 From smartphones to laptops to advanced medical equipment, a range of electronic devices have coltan as a fundamental building block.
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