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Methods and systems for fischer tropsch reactor low product variation

A reactor and reaction technology, which are used in the preparation of liquid hydrocarbon mixtures, the treatment of combustible gases with catalysis, the manufacture of combustible gases, etc.

Inactive Publication Date: 2009-09-30
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, undesired product variants arise from the aforementioned characteristics of modern FT gas-to-liquid systems

Method used

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  • Methods and systems for fischer tropsch reactor low product variation
  • Methods and systems for fischer tropsch reactor low product variation

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Embodiment Construction

[0012] figure 1 is a schematic diagram of an exemplary known integrated gasification combined cycle (IGCC) power generation system 50 . The IGCC system 50 generally includes a main air compressor 52, an air separation unit 54 connected in flow communication to the compressor 52, a gasifier 56 connected in flow communication to the air separation unit 54, a gasifier 56 connected in flow communication to the gasifier The gas turbine engine 10 of the engine 56, and the steam turbine 58. In operation, compressor 52 compresses ambient air. The compressed air is directed to an air separation unit 54 . In some embodiments, compressed air from gas turbine engine compressor 12 is provided to air separation unit 54 in addition to or as an alternative to compressor 52 . Air separation unit 54 uses compressed air to generate oxygen for gasifier 56 . More specifically, the air separation unit 54 separates the compressed air into a separate oxygen stream and a gaseous by-product, someti...

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Abstract

A carbon to liquids system is provided. The carbon to liquids system includes a source of syngas (202), a vessel configured to shift the syngas t o increase an H2 / CO ratio of the syngas, the vessel coupled in flow communication downstream of the source of syngas, a source of gas including hydrogen coupled in flow communication with the shifted syngas, the source of gas configured to be mixed with the shifted syngas to increase the H2 / CO ratio of the shifted syngas, a vess el including an inlet and an outlet, the inlet configured to receive the gas and shifted syngas mixture, the vessel including a catalyst configured to facilitate a Fischer-Tropsch synthesis reaction at a pressure of approximately 600 psia such that approximately 40% of the hydrogen / shifted syngas mixture is converted, and a recycle path communicatively coupled between the outlet and inlet configured to channel a n un- reacted hydrogen / shifted syngas mixture to the vessel inlet.

Description

technical field [0001] The present invention relates generally to carbon-to-liquid systems, and more particularly to methods and systems for minimizing liquid product variants from the Fischer-Tropsch reactor portion of the system. Background technique [0002] The terms C5+ and "liquid hydrocarbon" are used synonymously and refer to hydrocarbons or oxygenates having a number of five (5) or more carbons including, for example, pentane, hexane, heptane, pentanol, pentene , and it is a liquid under normal atmospheric conditions. [0003] The terms C4- and "gaseous hydrocarbon" are used synonymously and refer to hydrocarbons or oxygenates having a number of carbons of four (4) or less including, for example, methane, ethane, propane, butane, butanol, butanol, alkenes, propenes, and are gaseous under normal atmospheric conditions. [0004] Modern Fischer-Tropsch (FT) units have been optimized for the production of synthesis gas (syngas) from natural gas, also known as the gas-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C1/04C10J3/00
CPCC10G2/32Y02E20/18C10K3/04C10K3/06Y02P20/584Y02E20/16
Inventor P·S·怀莱士A·弗里德曼
Owner GENERAL ELECTRIC CO
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