Mineral oils: processes and products – Fractionation – Recovery of mineral oil from natural or converted gases
Patent
1978-10-31
1979-04-24
Gantz, Delbert E.
Mineral oils: processes and products
Fractionation
Recovery of mineral oil from natural or converted gases
208 8R, 208 10, 208 11R, 208 48R, 208100, 208162, C10G 916, C10G 106
Patent
active
041510739
ABSTRACT:
This invention provides a continuous process for separating a gaseous phase from a hydrocarbon liquid containing carbonaceous particulates and gases. The liquid is fed to a cylindrical separator, with the gaseous phase being removed therefrom as an overhead product, whereas the hydrocarbon liquid and the particulates are withdrawn as a bottoms product. By feeding the liquid tangentially to the separator and maintaining a particulate-liquid slurry downward velocity of from about 0.01 to about 0.25 fps in the separator, a total solids weight percent in the slurry of from about 0.1 to about 30%, a slurry temperature of from about 550.degree. to about 900.degree. F., a slurry residence time in the separator of from about 30 to about 360 seconds, and a length/diameter ratio for the separator of from about 20/1 to about 50/1, so that the characterization factor, .alpha., defined as ##STR1## DOES NOT EXCEED ABOUT 48 (.degree.R sec.sup.2)/ft, the deposit of carbonaceous materials on the interior surface of the separator may be substantially eliminated.
REFERENCES:
patent: 3549517 (1970-12-01), Lehman et al.
patent: 3775296 (1973-11-01), Chervenak et al.
patent: 4042487 (1977-08-01), Seguchi et al.
patent: 4045329 (1977-08-01), Johanson et al.
patent: 4085034 (1978-04-01), Endo et al.
Gantz Delbert E.
Hydrocarbon Research Inc.
Jacobs Michael A.
Schmitkons G. E.
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