Regenerable mixed copper-iron-inert support oxygen carriers for solid fuel chemical looping combustion process

Title: Regenerable mixed copper-iron-inert support oxygen carriers for solid fuel chemical looping combustion process

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Abstract

The disclosure provides an oxygen carrier for a chemical looping cycle, such as the chemical looping combustion of solid carbonaceous fuels, such as coal, coke, coal and biomass char, and the like. The oxygen carrier is comprised of at least 24 weight % (wt %) CuO, at least 10 wt % Fe2O3, and an inert support, and is typically a calcine. The oxygen carrier exhibits a CuO crystalline structure and an absence of iron oxide crystalline structures under XRD crystallography, and provides an improved and sustained combustion reactivity in the temperature range of 600.degree. C.-1000.degree. C. particularly for solid fuels such as carbon and coal.

Inventors:: Siriwardane, Ranjani V.; Tian, Hanjing

Issue Date:: 2016-12-20

Research Org.:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1336926

Patent Number(s):: 9523499

Application Number:: 13/159,553

Assignee:: U.S. Department of Energy (Washington, DC)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23C - METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN {A CARRIER GAS OR} AIR

F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23D - BURNERS

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F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23C - METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN {A CARRIER GAS OR} AIR
F23C2900/99008 - Unmixed combustion, i.e. without direct mixing of oxygen gas and fuel, but using the oxygen from a metal oxide, e.g. FeO

F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23D - BURNERS
F23D14/22 - with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other

F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23C - METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN {A CARRIER GAS OR} AIR
F23C99/00 - Subject-matter not provided for in other groups of this subclass

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E20/34 - Indirect CO2 mitigation, i.e. by acting on non CO2 directly related matters of the process, e.g. more efficient use of fuels

F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23D - BURNERS
F23D14/32 - using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air

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Resource Type:: Patent

Resource Relation:: Patent File Date: 2011 Jun 14

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 01 COAL, LIGNITE, AND PEAT

Citation Formats


                    Siriwardane, Ranjani V., and Tian, Hanjing. Regenerable mixed copper-iron-inert support oxygen carriers for solid fuel chemical looping combustion process.  United States: N. p., 2016. 
        Web.

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                    Siriwardane, Ranjani V., & Tian, Hanjing. Regenerable mixed copper-iron-inert support oxygen carriers for solid fuel chemical looping combustion process.  United States.

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                    Siriwardane, Ranjani V., and Tian, Hanjing. Tue .  
        "Regenerable mixed copper-iron-inert support oxygen carriers for solid fuel chemical looping combustion process".  United States.  https://www.osti.gov/servlets/purl/1336926.

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@article{osti_1336926,

  title        = {Regenerable mixed copper-iron-inert support oxygen carriers for solid fuel chemical looping combustion process},

  author       = {Siriwardane, Ranjani V. and Tian, Hanjing},

  abstractNote = {The disclosure provides an oxygen carrier for a chemical looping cycle, such as the chemical looping combustion of solid carbonaceous fuels, such as coal, coke, coal and biomass char, and the like. The oxygen carrier is comprised of at least 24 weight % (wt %) CuO, at least 10 wt % Fe2O3, and an inert support, and is typically a calcine. The oxygen carrier exhibits a CuO crystalline structure and an absence of iron oxide crystalline structures under XRD crystallography, and provides an improved and sustained combustion reactivity in the temperature range of 600.degree. C.-1000.degree. C. particularly for solid fuels such as carbon and coal.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2016},

  month        = {12}

}

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