Mineral oils: processes and products – Fractionation – Adsorption
Patent
1980-09-30
1982-09-21
Gantz, Delbert E.
Mineral oils: processes and products
Fractionation
Adsorption
585821, 585826, C10G 2503
Patent
active
043505830
ABSTRACT:
Normal paraffins are separated from a gas oil-containing hydrocarbon vapor feed stream having 16 to 25 carbon atoms per molecule in a constant pressure process employing a molecular sieve adsorbent and n-hexane for purging and for dilution of gas oil-containing feedstocks. Countercurrent purge effluent is used to provide a source of such n-hexane diluent, thereby effecting a savings in the amount of energy necessary to process the purge recycle stream and the size of the equipment used therefor.
REFERENCES:
patent: 3282346 (1966-11-01), Anstey et al.
patent: 3291725 (1966-12-01), Brodbeck
patent: 3342726 (1967-09-01), Mowll et al.
patent: 3422005 (1969-01-01), Avery
patent: 4176053 (1979-11-01), Holcombe
Fritschler Alvin H.
Gantz Delbert E.
Leader William
Union Carbide Corporation
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