Green energy
Commentary: Governments should face up to high pollution of poly-Si production
Nuying Huang, Taipei; Philip Liu, DIGITIMES

In 2008 the Washington Post ran a report about serious pollution caused by silicon tetrachloride (SiCl4) discharged from a polysilicon (poly-Si) plant in Henan Province, China. Since then, China's authorities have raised the threshold for the...

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