Isobaric process for separating normal paraffins from hydrocarbon mixtures
Patent
·
OSTI ID:5765719
An isobaric process for separating normal paraffins from hydrocarbon mixtures is described. These 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. 7 claims.
- Assignee:
- Union Carbide Corp.
- Patent Number(s):
- US 4350583
- OSTI ID:
- 5765719
- Country of Publication:
- United States
- Language:
- English
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