Quantitative evaluation of CO2 emission reduction of active carbon recycling energy system for ironmaking by modeling with aspen plus

Katsuki Suzuki, Kentaro Hayashi, Kohei Kuribara, Takao Nakagaki, Seiji Kasahara

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    The use of the Active Carbon Recycling Energy System in ironmaking (iACRES) has been proposed for reducing CO2 emissions. To evaluate the performance of iACRES quantitatively, a process flow diagram of a blast furnace model with iACRES was developed using Aspen Plus, a chemical process simulator. The CO2 emission reduction and exergy analysis was predicted by using the mass and energy balance obtained from the simulation results. iACRES used a solid oxide electrolysis cell (SOEC) with CO2 capture and separation (CCS), an SOEC without CCS, and a reverse water-gas shift reactor as the CO2 reduction reactor powered by a high-temperature gas-cooled reactor. iACRES could provide a CO2 emission reduction of 3-11% by recycling carbon monoxide and hydrogen, whereas the effective exergy ratio decreased in all cases.

    Original languageEnglish
    Pages (from-to)340-347
    Number of pages8
    JournalISIJ International
    Volume55
    Issue number2
    DOIs
    Publication statusPublished - 2015

    Fingerprint

    Regenerative fuel cells
    Recycling
    Carbon
    Exergy
    High temperature gas reactors
    Water gas shift
    Carbon Monoxide
    Blast furnaces
    Energy balance
    Carbon monoxide
    Hydrogen
    Simulators

    Keywords

    • Carbon flow
    • Carbon monoxide
    • Exergy analysis
    • High-temperature gas-cooled reactor

    ASJC Scopus subject areas

    • Mechanical Engineering
    • Mechanics of Materials
    • Materials Chemistry
    • Metals and Alloys

    Cite this

    Quantitative evaluation of CO2 emission reduction of active carbon recycling energy system for ironmaking by modeling with aspen plus. / Suzuki, Katsuki; Hayashi, Kentaro; Kuribara, Kohei; Nakagaki, Takao; Kasahara, Seiji.

    In: ISIJ International, Vol. 55, No. 2, 2015, p. 340-347.

    Research output: Contribution to journalArticle

    Suzuki, Katsuki ; Hayashi, Kentaro ; Kuribara, Kohei ; Nakagaki, Takao ; Kasahara, Seiji. / Quantitative evaluation of CO2 emission reduction of active carbon recycling energy system for ironmaking by modeling with aspen plus. In: ISIJ International. 2015 ; Vol. 55, No. 2. pp. 340-347.
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