Wacker Commercializes Granular Polysilicon Process

Wacker Chemie says it plans to build a granular polysilicon plant at the company’s Burghausen, Germany complex. The €40-million ($55 million) plant will have a capacity of 650 m.t./year and is due to come onstream by the end of 2008. It will manufacture granular solar-grade polysilicon from trichlorosilane using fluidized-bed technology. It marks Wacker’s first commercialization of the technology, which it developed over the last two-and-a-half years at a pilot plant. The planned unit will supply the solar wafer industry. Wacker recently...

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