Fouling reduction in hydrochlorosilane production
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United States of America Patent
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Oct 11, 2016
Grant Date -
Apr 25, 2013
app pub date -
Oct 19, 2012
filing date -
Oct 20, 2011
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Abstract
Embodiments of a method for reducing iron silicide and/or iron phosphide fouling and/or corrosion in a hydrochlorosilane production plant are disclosed. Sufficient trichlorosilane is included in a silicon tetrachloride process stream to minimize hydrogen chloride formation, thereby inhibiting iron (II) chloride formation and reducing iron silicide and/or iron phosphide fouling, superheater corrosion, or a combination thereof.
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