Upgrading solid fuel-derived tars produced by low pressure hydro

Details Upgrading solid fuel-derived tars produced by low pressure hydro Upgrading solid fuel-derived tars produced by low pressure hydro

1975-12-15

1977-03-22

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 8, 208142, C10B 5500

Patent

active

040135438

ABSTRACT:
Crushed carbonaceous fuel is rapidly mixed with hot hydrogen, at 500.degree. to 1,500.degree. C. and 0 to 250 psig., in a reactor, and then, after a short reaction time, rapidly quenched. The total heat-up, reaction, and quench time is less than 2 seconds. This short residence time and rapid heat-up results in a high yield of carbonaceous tars. The carbonaceous tars are subsequently and directly introduced into a fluid coker to obtain gas, upgraded carbonaceous tars, and hot coke.

REFERENCES:
patent: 3018242 (1962-01-01), Gorin
patent: 3030297 (1962-04-01), Schroeder
patent: 3111395 (1963-11-01), Sweeney
patent: 3261775 (1966-07-01), Blaser
patent: 3839186 (1974-10-01), Berger
patent: 3855070 (1974-12-01), Squires

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