WACKER POLYSILICON Expands Polysilicon Capacity at Burghausen, Germany
The expansion project aims to make available sufficient polysilicon production capacity in the mid term. "The high-growth solar market is causing noticeable bottlenecks worldwide among photovoltaics and electronics producers," says Ewald Schindlbeck, head of the WACKER POLYSILICON Business Division. "Our expansion program has ideally equipped WACKER for the sustained run on solar-grade silicon."
To pursue new avenues of processing photovoltaics-grade silicon crystals, WACKER POLYSILICON is developing an innovative process for producing granular polysilicon. Known as the fluidized-bed process, the new method uses trichlorosilane as a raw material. The advantages of silicon granules are not only their suitability for continuous crystallization processes but also their improved cost-effectiveness in the production of solar-grade silicon. The first two pilot reactors are expected to start operating in October 2004.
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