Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Patent
1983-03-24
1988-04-19
Dixon, Jr., William R.
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Cracking
208126, 208167, 208176, C10G 928
Patent
active
047387696
ABSTRACT:
A process for converting liquid or semi-liquid hydrocarbon charges to lighter fractions comprises a first step (a) heating droplets jets of the charge introduced into a pyrolysis chamber by surrounding them with parallel jets of hot solid particles, of relatively large size, of a heat carrier material, not substantially in contact with the droplet jets, so as to maintain a temperature of 700.degree.-1600.degree. C., and introducing a gas so as to obtain a pressure from 1 to 150 bars. A second step involves (b) separating the gaseous fraction from the solid particles. Thereafter (c) at least a portion of the solid particles are heated and fed back to step (a). The gaseous fraction is (d) cooled by means of a cold gas so as to recover light hydrocarbons therefrom.
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Alagy Jacques
Busson Christian
Euzen Jean-Paul
Galtier Pierre
Dixon Jr. William R.
Institut Francais du Pe'trole
Prezlock Cynthia A.
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