EP0359889A1
Expired / Lapsed
EP
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Catalyst, apparatus and process for the desulfurization of low sulfur hydrocarbons
Assignee: RTX Corp
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Filing: 1988-09-22
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Granted: —
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Expires: 2008-09-22
Abstract
Abstract A catalyst composition, highly active in the hydrogenolysis of sulfur containing compounds, and useful in the removal of sulfur from low sulfur content hydrocarbons is disclosed. The catalyst composition comprises a noble metal dispersed on an inert substrate. A desulfurization apparatus and a desulfurization process, each utilizing the catalyst material, are also disclosed.
Inventors
- 👤 Roger Raymond Lesieur
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 17:59
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G45/10; C10G67/00; C10G67/02; C10G67/06
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
75 words
An apparatus for removing sulfur from low sulfur content hydrocarbon fluids comprising a container having an inlet and an outlet means to permit a flow of hydrocarbon fluid through the container, the container surrounding a catalyst composition comprising a catalytically active noble metal dispersed on an inert support, the support having a high specific surface area, and the catalyst composition exhibiting high activity in the hydrogenolysis of sulfur containing compounds without requiring a sulfiding pretreatment.
Claim 2
Independent Claim
75 words
An apparatus for removing sulfur from low sulfur content hydrocarbon fluids comprising a container having an inlet and an outlet means to permit a flow of hydrocarbon fluid through the container, the container surrounding a catalyst composition comprising a catalytically active noble metal dispersed on an inert support, the support having a high specific surface area, and the catalyst composition exhibiting high activity in the hydrogenolysis of sulfur containing compounds without requiring a sulfiding pretreatment.
Claim 3
Dependent Claim
24 words
The apparatus of claim 1, wherein the catalyst composition additionally comprises a hydrogen sulfide absorbent, the absorbent enhancing the activity of the catalyst composition.
Claim 4
Dependent Claim
31 words
The apparatus of claim 1, wherein the catalyst composition comprises alternating layers of the dispersed noble metal and a hydrogen sulfide absorbent, said absorbent enhancing the activity of the catalyst composition.
Claim 5
Independent Claim
25 words
The apparatus of claims 1 - 3 , wherein the noble metal is selected from the group consisting of platinum, palladium, rhodium and mixtures thereof.
Claim 6
Independent Claim
20 words
The apparatus of claims 1 - 3 , wherein the inert support comprises alumina particles or lanthanum stabilized alumina particles.
Claim 7
Independent Claim
15 words
The apparatus of claims 1or 2, wherein the hydrogen sulfide absorbent comprises zinc oxide particles.
Claim 8
Dependent Claim
88 words
A process for removing sulfur from low sulfur content hydrocarbon fluids, comprising: a) preheating the hydrocarbon fluid to a temperature in the range of about 300°F to about 650°F, b) contacting the preheated hydrocarbon fluid with a catalyst composition comprising a catalytically active noble metal dispersed upon an inert support, the support having a high specific surface area, and subsequently c) contacting the hydrocarbon fluid with a hydrogen sulfide absorbent, said catalyst composition exhibiting high activity in the hydrogenolysis of sulfur containing compounds without requiring a sulfiding pretreatment.
Claim 9
Dependent Claim
88 words
A process for removing sulfur from low sulfur content hydrocarbon fluids, comprising: a) preheating the hydrocarbon fluid to a temperature in the range of about 300°F to about 650°F, b) contacting the preheated hydrocarbon fluid with a catalyst composition comprising a catalytically active noble metal dispersed upon an inert support, the support having a high specific surface area, and subsequently c) contacting the hydrocarbon fluid with a hydrogen sulfide absorbent, said catalyst composition exhibiting high activity in the hydrogenolysis of sulfur containing compounds without requiring a sulfiding pretreatment.
Claim 10
Dependent Claim
32 words
The process of claim 7 , wherein the catalyst composition and the hydrogen sulfide absorbent are disposed in a series of alternating layers, said absorbent enhancing the activity of the catalyst composition.
Claim 11
Dependent Claim
24 words
The process of claims 7 or 8, wherein the noble metal is selected from the group consisting of platinum, palladium, rhodium and mixtures thereof.
Claim 12
Dependent Claim
20 words
The process of claims 7 or 8 , wherein the inert support comprises alumina particles or lanthanum stabilized alumina particles.
Claim 13
Dependent Claim
16 words
The process of claim 7 or 8 wherein the hydrogen sulfide absorbent comprises zinc oxide particles.
Claim 14
Dependent Claim
95 words
A process for removing sulfur from low sulfur content hydrocarbon fluid, comprising: a) preheating the hydrocarbon fluid to a temperature in the range of about 300°F to about 650°F, and b) contacting the preheated hydrocarbon fluid with a catalyst composition comprising a catalytically active noble metal dispersed on an inert support in a mixture with a hydrogen sulfide absorbent, said support having a high specific surface area, said catalyst composition exhibiting high activity in the hydrogenolysis of sulfur containing compounds without requiring a presulfiding treatment, and said absorbent enhancing the activity of the catalyst composition.
Claim 15
Dependent Claim
95 words
A process for removing sulfur from low sulfur content hydrocarbon fluid, comprising: a) preheating the hydrocarbon fluid to a temperature in the range of about 300°F to about 650°F, and b) contacting the preheated hydrocarbon fluid with a catalyst composition comprising a catalytically active noble metal dispersed on an inert support in a mixture with a hydrogen sulfide absorbent, said support having a high specific surface area, said catalyst composition exhibiting high activity in the hydrogenolysis of sulfur containing compounds without requiring a presulfiding treatment, and said absorbent enhancing the activity of the catalyst composition.
Claim 16
Dependent Claim
22 words
The process of claim 12, wherein the noble metal is selected from the group consisting of platinum, palladium, rhodium and mixtures thereof.
Claim 17
Dependent Claim
17 words
The process of claim 12, wherein the support material comprises alumina particles or lanthanum stabilized alumina particles.
Claim 18
Dependent Claim
14 words
The process of claim 12, wherein the hydrogen sulfide absorbent comprises zinc oxide particles.
References Cited (Backward Citations)
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