Fluidized bed reactor and process for producing polycrystalline silicon granules

Contamination of fluidized bed-produced polycrystalline granules by phosphorus is reduced by employing as seals and/or packings, graphite containing <500 ppmw of phosphorus.

Saved in:
Bibliographic Details
Main Authors Weckesser, Dirk, Forstpointner, Gerhard
Format Patent
LanguageEnglish
Published 28.04.2020
Subjects
AIR
BLASTING
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMBUSTION APPARATUS
COMBUSTION PROCESSES
COMPOUNDS THEREOF
HEATING
INORGANIC CHEMISTRY
LIGHTING
MECHANICAL ENGINEERING
METALLURGY
METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
WEAPONS
Online AccessGet full text

Cover

More Information
Summary:Contamination of fluidized bed-produced polycrystalline granules by phosphorus is reduced by employing as seals and/or packings, graphite containing <500 ppmw of phosphorus.
Bibliography:Application Number: US201515522444