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System and method for processing an input fuel gas and steam to produce carbon dioxide and an output fuel gas

A fuel gas and carbon monoxide technology, applied in the direction of catalytic treatment of combustible gas, combustible gas purification, chemical instruments and methods, etc., can solve the problem of energy loss in the separation process step

Active Publication Date: 2012-09-12
CALIX PTY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Steam reforming, water gas migration and CO using e.g. the Benfield process 2 Captured separation processing steps have significant energy losses

Method used

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  • System and method for processing an input fuel gas and steam to produce carbon dioxide and an output fuel gas
  • System and method for processing an input fuel gas and steam to produce carbon dioxide and an output fuel gas
  • System and method for processing an input fuel gas and steam to produce carbon dioxide and an output fuel gas

Examples

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Embodiment Construction

[0061] The Flexible Fuel Endex reactor decarbonizes an input fuel gas stream into an output fuel gas stream with different compositions of combustible gas and carbon dioxide gas streams. The general process flow for the flexible fuel Endex reactor for the five configurations Embodiments 10, 20, 30, 40 and 50 is shown in figure 1 middle. Embodiments 10, 20, 30 and 40 illustrate how a single reactor 110 can be configured for different fuel streams and different product fuel streams, while embodiment 50 illustrates how a pair of flexible fuel Endex reactors 120, 130 Can be configured in series for additional flexibility. As described below, these processes only show gas flow and do not include solid sorbent or catalyst input and output or auxiliary systems. Additionally, the use of various solid fuels such as various grades of coal, biomass or waste to produce input syngas or hydrogenated gas is not explicitly shown. It should be noted that the Flexible Fuel Endex Reactor may ...

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Abstract

A method and system for processing an input fuel gas and steam to produce separate CO2 and output fuel gas streams. The method comprises the steps of using a decarboniser segment for reacting at least a solid sorbent reacts with the fuel gas and steam to remove carbon from the input fuel gas and to produce the output fuel gas stream in an exhaust gas from the decarboniser; using a calciner segment for reacting the solid sorbent from the decarboniser segment therein to release the CO2 into the CO2 gas stream; wherein CO2 partial pressures and temperatures in the decarboniser and calciner segments respectively are controlled such that the temperature in the decarboniser segment is higher than the temperature in the calciner.

Description

technical field [0001] The present invention generally relates to systems and methods for processing input fuel gas and steam to produce carbon dioxide and output fuel gas in separate gas streams. Background technique [0002] Plants that consume large amounts of carbon fuels such as power plants, cement plants and steel mills are increasingly operating in relation to the volatility of fuel costs and the price of products and in the regulatory and market environment especially related to carbon emissions Flexibility is required. In this case, there are benefits to be gained from fossil fuels employing mixtures of fuels such as coal and natural gas that cause emission penalties, biomass and waste that would normally not be incurred. The manufacturing process for this fuel needs to be replaced. Such a flex-fuel plant can be produced with (a) full carbon emissions, from combustion of fossil fuels without storage, with an emissions penalty, (b) with negligible emissions, from ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/62B01D53/74C01B3/50B01D53/02B01J20/02C01B31/20C10K1/20C10K3/00C01B32/50
CPCB01D53/62B01D2251/402B01D2251/404B01D2251/602B01D2253/1124B01D2253/304B01D2257/504B01J20/041B01J20/28004B01J20/3204B01J20/3433B01J20/3483B01J2220/42C01B3/16C01B3/384C01B2203/0233C01B2203/0425C01B2203/0475C01B2203/0822C01B2203/0827C01B2203/1241C01B2203/84C01B2203/86C10K1/26C10K1/32C10K1/34C10L3/08C01B32/50C10K3/04Y02P20/10Y02P30/00Y02C20/40C10K1/005C10K3/00C10L3/104C10L2290/12C10L2290/542Y02P20/151
Inventor 马克·杰弗里·西茨朱利安·韦斯特利·丁斯代尔
Owner CALIX PTY LTD
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