Improving operation of fluidized bed reactors by optimizing temperature gradients via particle size distribution control
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United States of America Patent
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Dec 26, 2017
Grant Date -
Nov 19, 2015
app pub date -
Dec 27, 2013
filing date -
Dec 31, 2012
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Abstract
A method of improving the operation of polysilicon fluidized bed reactors is disclosed. The present disclosure is directed to the optimization of axial temperature gradients in gas-solid fluidized bed systems. Varying the width of the particle size distribution in the reactor alters the temperature gradient within the reactor, thereby providing a means of a better control of internal temperature profiles and hence better reactor performance.
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