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  2. -- Process Of Crushed Quartzite Gravel For Solar Cell

process of crushed quartzite gravel for solar cell

1 The silicon dioxide of either quartzite gravel or crushed quartz is placed into an electric arc furnace A carbon arc is then applied to release the oxygen The products are carbon dioxide and molten silicon This simple process yields silicon with one percent impurity useful in many industries but not the solar cell

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