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Systems and methods for producing synthesis gas

a technology of synthesis gas and system, applied in the direction of combustible gas catalytic treatment, combustible gas production, sustainable manufacturing/processing, etc., can solve the problems of unwound hydrogen or power supply in the refinery, and achieve the effect of enhancing oil recovery

Inactive Publication Date: 2007-01-18
SHELL OIL CO
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0034] Carbon dioxide may advantageously be isolated prior to the power generation in, for example, a gas turbine. Carbon dioxide may be subjected to sequestration or suitably used for agricultural uses or enhanced oil recovery.

Problems solved by technology

Disruptions in either the hydrogen or the power supply in a refinery is not desired.

Method used

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  • Systems and methods for producing synthesis gas
  • Systems and methods for producing synthesis gas

Examples

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Embodiment Construction

[0045] Reference is made to FIG. 1. FIG. 1 schematically shows a system 1 for producing synthesis gas.

[0046] The system 1 comprises a first gasification reactor 2, a second gasification reactor 3, an oxygen source 4 and a shift converter 5. In the embodiment shown in FIG. 1, the first gasification reactor 2 is a coal gasification reactor and the second gasification reactor 3 is a gas gasification reactor.

[0047] In the system 1 according to FIG. 1 a particulate coal containing stream 10 and an oxygen containing stream 60 are fed at inlets 6 and 7, respectively, into the coal gasification reactor 2.

[0048] Similarly, a gas containing stream 30 and an oxygen containing stream are 70 are fed into the gas gasification reactor 3 at inlets 9 and 11.

[0049] During normal use of the embodiment of FIG. 1 only the coal gasification reactor 2 is in function; the gas gasification reactor 3 functions as a spare unit for producing synthesis gas in case the coal gasification reactor 2 is out of o...

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Abstract

The present invention relates to a system for producing synthesis gas comprising CO and H2. The system comprises a first gasification reactor and a second gasification reactor. The first one has an inlet for a first oxygen containing stream, an inlet for a first carbonaceous stream, and an outlet for raw synthesis gas produced in the first gasification reactor. The second one has an inlet for a second oxygen containing stream, an inlet for a second carbonaceous stream, and an outlet for raw synthesis gas produced in the second gasification reactor. A source of an oxygen containing stream is selectively connected to the inlet for the first oxygen containing stream of the first gasification reactor and to the inlet for the second oxygen containing stream of the second gasification reactor via a distributor.

Description

CROSS REFERENCE TO AN EARLIER APPLICATION [0001] Priority is claimed of European patent application No. 05106072.1 filed Jul. 5, 2005. FIELD OF THE INVENTION [0002] The present invention relates to systems and methods for producing synthesis gas comprising CO and H2 from a carbonaceous stream using an oxygen containing stream. BACKGROUND OF THE INVENTION [0003] Generally in such systems and methods, a carbonaceous stream such as coal, brown coal, peat, wood, coke, soot, or other gaseous, liquid or solid fuel or mixture thereof, is partially combusted in a gasification reactor using an oxygen containing gas such as substantially pure oxygen or (optionally oxygen enriched) air or the like, thereby obtaining synthesis gas (CO and H2), CO2 and optionally a slag. In case where slag is formed during the partial combustion, it drops down and is drained through an outlet located at or near the reactor bottom. [0004] The hot product gas, which may be referred to as raw synthesis gas, is typi...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C10J3/46
CPCC01B3/36C10J3/721C01B13/0229C01B2203/025C01B2203/0283C01B2203/065C01B2203/1241C01B2203/141C01B2203/84C01B2203/86C01B2210/0046C01B2210/0082C10J3/00C10J3/723C10J2300/093C10J2300/0959C10K1/08C10K3/04C01B3/48Y02P30/00C01B3/02
Inventor GROOTVELD, GERARDZUIDEVELD, PIETER LAMMERT
Owner SHELL OIL CO
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