Iron-containing refractory balls for retorting oil shale
Patent
·
OSTI ID:5849937
Iron-containing refractory balls, in a retorting process for oil shale, permit effective magnetic separation of the balls from the spent shale. 10 claims.
- Assignee:
- Phillips Petroleum Co.
- Patent Number(s):
- US 4160719
- OSTI ID:
- 5849937
- Country of Publication:
- United States
- Language:
- English
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