C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/143
C10G 45/32 (2006.01) C10G 7/00 (2006.01) C10G 45/44 (2006.01)
Patent
CA 1100077
ABSTRACT OF THE DISCLOSURE Refining of crude petroleum by fractionally distilling the crude in- to lighter cuts and distillate bottoms constituting more than 50% of the crude. Hydrogenating the distillate bottoms at a temperature above 700°C in a tubular reactor to produce saturated hydrocarbons, some gas and a solid carbonaceous material. Separating the solid material in a cyclone and returning the hydro- genated oil to the fractionating column. Passing the solid carbonaceous mate- rial by an extruder to a second tubular reactor in contact with a mixture at a temperature above 750°C of steam, 1 and 2 carbon atom gases, and combustion products containing O2 from a third cyclone. Discharging the reaction products containing unreacted carbonaceous material together with substantially no O2, production of H2 and increased amounts of CO and CO2 into a second cyclone. Separating the gaseous products from the solid, recovering H2 and passing it to the first reactor tube. Extracting heat from the gaseous reaction products to superheat the steam entering the second tubular reactor and to preheat the distillate bottoms prior to entrance in the first tubular reactor. Passing the remaining solid carbonaceous material by an extruder together with excess O2 into a third tubular reactor to effect substantially complete combustion. Discharging the unburned solid residue and combustion gases into a third cy- clone from which the combustion gases are sent to the second tubular reactor and the residue containing ash is discharged from the system.
288268
Dorn Rainer
Koch Christian
Kunstle Konrad
Reiter Kurt
Fetherstonhaugh & Co.
Kraftwerk Union Aktiengesellschaft
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