Desulfurization of hydrocarbons
A process is described for reforming a sulfur-containing naphtha feed, wherein is included in combination, a hydrofiner which contains a metal catalyst, the metallic component of which is selected from Group VIB and Group VIII, with which the sulfur-containing naphtha feed is contacted with hydrogen, at reaction conditions inclusive of temperatures ranging from about 400/sup 0/F to about 850/sup 0/F to remove sulfur and provide a product naphtha which contains from about 5 wppm to about 50 wppm, and higher, sulfur, a guard chamber filled with a sorbent into which the partially desulfurized hydrofined naphtha is injected to flow therethrough to effect further removal of sulfur, and a reforming unit which contains a plurality of sulfur sensitive catalyst-containing on-stream reactors connected in series, the naphtha feed to which flows in sequence from one reactor of the series of another to contact the catalyst contained therein at reforming conditions, the improvement comprising maintaining within the guard chamber a sorbent comprised of nickel in concentration ranging from about 10 percent to about 70 percent, calculated as metallic nickel based on the total weight of the sorbent, iron in concentration ranging from about 1 percent to about 15 percent, calculated as metallic iron based on the total weight of the sorbent, and a porous, refractory inorganic oxide, at temperatures ranging above about 350/sup 0/F, to produce a reformer feedstock containing no more than about 2 wppm sulfur.
- Assignee:
- Exxon Research and Engineering Co., Florham Park, NJ
- Patent Number(s):
- US 4592829
- OSTI ID:
- 5416674
- Resource Relation:
- Patent File Date: Filed date 26 Dec 1984
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
NAPHTHA
CATALYTIC REFORMING
DESULFURIZATION
ADSORBENTS
CATALYSTS
CHEMICAL REACTORS
HIGH TEMPERATURE
HYDROGENATION
IRON
NICKEL
OXIDES
POROUS MATERIALS
QUANTITY RATIO
REFRACTORIES
SULFUR CONTENT
CHALCOGENIDES
CHEMICAL REACTIONS
COAL TAR OILS
DISTILLATES
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
MATERIALS
METALS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PETROLEUM
PETROLEUM DISTILLATES
PETROLEUM FRACTIONS
REFORMER PROCESSES
TRANSITION ELEMENTS
020400* - Petroleum- Processing