Mineral refinement by high RF energy application

Details Mineral refinement by high RF energy application Mineral refinement by high RF energy application

1989-10-28

1991-06-18

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

2041574, 20415743, 423 76, 423340, 75 101, C01G 2300, C22B 100

Patent

active

050247409

ABSTRACT:
A method and apparatus for the elimination of unwanted impurities and inclusions from a variety of non-conductive base materials by the application of high power, variable frequency RF energies in selective of rarefied atmospheres. Refined natural quartz is a product acquired by the method using the apparatus herein described.

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patent: 4207286 (1980-06-01), Gut Boucher
patent: 4321089 (1982-03-01), Kruesi
patent: 4455135 (1984-06-01), Bitterly
patent: 4572735 (1986-02-01), Poetzschke
patent: 4818510 (1989-04-01), Jung

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