Method of operating a quartz fluidized bed reactor for the produ

Details Method of operating a quartz fluidized bed reactor for the produ Method of operating a quartz fluidized bed reactor for the produ

1974-05-24

1976-06-15

Smith, Ronald H.

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

264 30, 423349, 423350, 427215, 427235, 427255, 427374, 427377, 427379, B05D 700

Patent

active

039638383

ABSTRACT:
In order to prevent breakage of a quartz fluidized bed reactor utilized in the production of silicon, the reactor is cooled as soon as a thin layer of silicon is formed on the reactor walls and then reheated to continue silicon growth. In this manner, the thin layer of silicon shatters and forms a weak foundation for subsequent silicon deposition on the reactor wall when the silicon deposition is continued. Subsequently deposited silicon on the walls continuously peels off without breaking the reactor.

REFERENCES:
patent: 3012861 (1961-12-01), Ling
patent: 3012862 (1961-12-01), Bertrand et al.
patent: 3016291 (1962-01-01), Aries

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