摘要 |
Polysilicon granules can be cleaned, rinsed and dried by hyperbaric superheated liquid and superheated steam. The superheated liquid can be used to rinse and heating the polysilicon granules. A slow drain can be open to remove the superheated liquid. A fast drain then can be open, preferably to atmosphere, to allow steam to vent through bottom. The fast drain can function as a drying process, vaporizing water droplets down the drain with the escaping steam.
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