Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent
1983-07-08
1985-04-30
Straub, Gary P.
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
423445, 423448, 264 295, C01B 3104, C01B 3102
Patent
active
045143714
ABSTRACT:
The present invention relates to a process and device for the accelerated densification of a porous carbonaceous substrate, of the type consisting in decomposing a hydrocarbon substance in the presence of said substrate under high pressure and at high temperature, decomposition being effected inside a closed reactor allowing the elimination of the hydrogen emitted during the reaction as it is produced, the walls of said reactor having the necessary suppleness for the inner volume thereof to be adapted at any instant, under the effect of the pressure applied, to the volume of the liquid phase which it contains, wherein the hydrocarbon substance to be decomposed is chosen from the group comprising pitches, acenaphthylene, phenanthrene or mixtures of these products. The invention also relates to a process for preparing said substance.
REFERENCES:
patent: B414028 (1976-02-01), Overholser et al.
patent: 3246056 (1966-04-01), Shea, Jr. et al.
patent: 3249964 (1966-05-01), Shalter
patent: 3419645 (1968-12-01), Pietzka et al.
patent: 3517092 (1970-06-01), Peterson
patent: 4226900 (1980-10-01), Carlson
Chard et al, Advanced High Pressure Graphite Processing Technology, Graphite Processing Technology, ACS Symposium Serials, No. 21, Chapter 14, 1974, pp. 155-171.
Y
Jamet Jean
Le Pennec Claude
Omnes Jacqueline
Poupeau Jean-Jacques
Commissariat a l''Energie Atomique
Office National d'Etudes et de Recherche Aerospatiales (ONERA)
Straub Gary P.
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