METHODS OF PREPARING CARBON WITH A LOW PERMEABILITY
Patent
·
OSTI ID:4058404
Pieces of lndustrial carbon, notably moderator carbon, are evacuated and then impregnated under pressure with a sugar solution (d = 1.4 g/ml) or with molten sugar. The impregnant is carbonized at 175 to 300 deg C under a N/sub 2/ or He pressure of about 84 kg/cm/sup 2/ (dyne/cm/sup 2/). One or more of these treatments reduce the permeability 50- to 1000-fold. (NPO)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-014800
- OSTI ID:
- 4058404
- Report Number(s):
- FR 1216583
- Country of Publication:
- France
- Language:
- English
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