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    A Novel Multifunctional Energy System (MES) for CO2 Removal With Zero Energy Penalty

    Source: Journal of Engineering for Gas Turbines and Power:;2008:;volume( 130 ):;issue: 002::page 21401
    Author:
    Hongguang Jin
    ,
    Wei Han
    ,
    Lin Gao
    DOI: 10.1115/1.2799532
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: This paper proposes a novel, multifunctional energy system (MES), in which hydrogen and electricity are cogenerated and about 90% of CO2 is removed. By integrating the methane/steam reforming reaction and combustion of coal, the natural gas and coal are utilized synthetically, and coal is burned to provide high-temperature thermal energy to the methane/steam reforming reaction. Afterwards, the resulting syngas enters a pressure swing adsorption (PSA) unit to separate about 70% of hydrogen, thereby significantly increasing the concentration of carbon dioxide from nearly 20% to 43% in the PSA tail gas. As a result, the overall efficiency of the new system becomes 63.2%. Compared to a conventional natural gas-based hydrogen plant and a coal-firing steam power plant without CO2 removal (the overall efficiency of the two systems is 63.0%), the energy penalty for CO2 removal in the new system is almost totally avoided. Based on the graphical exergy analysis, we propose that the integration of synthetic utilization of fossil fuel (natural gas and coal) and the CO2 removal process plays a significant role in zero energy penalty for CO2 removal and its liquefaction in the MES. The result obtained here provides a new approach for CO2 removal with zero or low thermal efficiency reduction (energy penalty) within an energy system.
    keyword(s): Combustion , Fuels , Thermal energy , Exergy , Coal , Natural gas , Hydrogen , Industrial plants , Steam , Separation (Technology) , Fossil fuels , Methane , Pressure , Syngas , Exergy analysis AND Carbon dioxide ,
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      A Novel Multifunctional Energy System (MES) for CO2 Removal With Zero Energy Penalty

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    http://yetl.yabesh.ir/yetl1/handle/yetl/137960
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    • Journal of Engineering for Gas Turbines and Power

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    contributor authorHongguang Jin
    contributor authorWei Han
    contributor authorLin Gao
    date accessioned2017-05-09T00:27:57Z
    date available2017-05-09T00:27:57Z
    date copyrightMarch, 2008
    date issued2008
    identifier issn1528-8919
    identifier otherJETPEZ-27001#021401_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/137960
    description abstractThis paper proposes a novel, multifunctional energy system (MES), in which hydrogen and electricity are cogenerated and about 90% of CO2 is removed. By integrating the methane/steam reforming reaction and combustion of coal, the natural gas and coal are utilized synthetically, and coal is burned to provide high-temperature thermal energy to the methane/steam reforming reaction. Afterwards, the resulting syngas enters a pressure swing adsorption (PSA) unit to separate about 70% of hydrogen, thereby significantly increasing the concentration of carbon dioxide from nearly 20% to 43% in the PSA tail gas. As a result, the overall efficiency of the new system becomes 63.2%. Compared to a conventional natural gas-based hydrogen plant and a coal-firing steam power plant without CO2 removal (the overall efficiency of the two systems is 63.0%), the energy penalty for CO2 removal in the new system is almost totally avoided. Based on the graphical exergy analysis, we propose that the integration of synthetic utilization of fossil fuel (natural gas and coal) and the CO2 removal process plays a significant role in zero energy penalty for CO2 removal and its liquefaction in the MES. The result obtained here provides a new approach for CO2 removal with zero or low thermal efficiency reduction (energy penalty) within an energy system.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleA Novel Multifunctional Energy System (MES) for CO2 Removal With Zero Energy Penalty
    typeJournal Paper
    journal volume130
    journal issue2
    journal titleJournal of Engineering for Gas Turbines and Power
    identifier doi10.1115/1.2799532
    journal fristpage21401
    identifier eissn0742-4795
    keywordsCombustion
    keywordsFuels
    keywordsThermal energy
    keywordsExergy
    keywordsCoal
    keywordsNatural gas
    keywordsHydrogen
    keywordsIndustrial plants
    keywordsSteam
    keywordsSeparation (Technology)
    keywordsFossil fuels
    keywordsMethane
    keywordsPressure
    keywordsSyngas
    keywordsExergy analysis AND Carbon dioxide
    treeJournal of Engineering for Gas Turbines and Power:;2008:;volume( 130 ):;issue: 002
    contenttypeFulltext
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