Pox process with high temperature desulfurization of syngas
This patent describes a continuous process for the production of desulfurized synthesis gas, fuel gas, or reducing gas comprising: (1) reacting sulfur-containing heavy liquid hydrocarbonaceous fuel and/or sulfur-containing solid carbonaceous fuel by partial oxidation with as free-oxygen containing gas and in the presence of a temperature moderator in the free-flow refractory lined reaction zone of a gas generator at an autogenous temperature in the range of about 1900F, to 2900F, and above the ash-fusion temperature of the slag formed in the reaction zone, and a pressure in the range of about 2 to 250 atmosphere to produce a hot stream of synthesis gas, reducing gas, or fuel gas comprising H/sub 2/, CO, CO/sub 2/, H/sub 2/S, COS and at least one gaseous material selected from the group consisting of H/sub 2/O, N/sub 2/, CH/sub 4/, NH/sub 3/, A, and containing entrained material comprising particulate carbon, and slag; (2) passing at least a portion of the hot gas stream from (1) in admixture with an iron-containing additive through an unobstructed central passage of a radiant cooler; where in the radiant cooler the weight ratio of iron-containing additive to sulfur plus the ash in the fuel feed is in the range of about 0.5 to 10.0 to 1.0, and wherein the iron-containing additive is introduced into the hot gas stream from (1) at the entrance to and/or at one or more locations within the radiant cooler.
- Assignee:
- Texaco, Inc., White Plains, NY
- Patent Number(s):
- US 4778485
- OSTI ID:
- 6544054
- Resource Relation:
- Patent File Date: Filed date 28 Aug 1987
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
03 NATURAL GAS
COAL
PARTIAL OXIDATION PROCESSES
FUEL GAS
PRODUCTION
PETROLEUM
SYNTHESIS GAS
AIR POLLUTION ABATEMENT
AMMONIA
DESULFURIZATION
FUEL ADDITIVES
GASIFICATION
IRON COMPOUNDS
METHANE
NITROGEN
SEPARATION PROCESSES
SULFUR
VERY HIGH TEMPERATURE
ADDITIVES
ALKANES
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
ELEMENTS
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUELS
GAS FUELS
GASES
HYDRIDES
HYDROCARBONS
HYDROGEN COMPOUNDS
MATERIALS
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NONMETALS
ORGANIC COMPOUNDS
POLLUTION ABATEMENT
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
020400* - Petroleum- Processing
010404 - Coal
Lignite
& Peat- Gasification
030300 - Natural Gas- Drilling
Production
& Processing