REACTOR SYSTEM AND METHOD OF POLYCRYSTALLINE SILICON PRODUCTION THEREWITH
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United States of America Patent
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Jan 23, 2014
app pub date -
Jul 17, 2013
filing date -
Jul 17, 2012
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Abstract
A method and system for reduction or mitigation of metal contamination of polycrystalline silicon are disclosed. Metal contamination of granulate polycrystalline silicon, from contact with a metal surface of components of the supporting transportation and auxiliary infrastructure of a fluidized bed reactor unit, is mitigated by use of a protective coating comprising a microcellular elastomeric polyurethane.
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