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Low-Cost Syngas Shifting for Remote Gasifiers: Combination of CO 2 Adsorption and Catalyst Addition in a Novel and Simplified Packed Structure

Author

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  • Ricardo A. Narváez C.

    (Instituto Nacional de Eficiencia Energética y Energías Renovables (INER), Quito EC170507, Ecuador
    Facultad de Ingeniería Química, Universidad Central del Ecuador, Quito EC170521, Ecuador
    Centre for Renewable Energy Systems Technology (CREST), Wolfson School Mechanical, Manufacturing and Electrical Engineering, Loughborough University, Loughborough LE11 3GR, UK)

  • Richard Blanchard

    (Centre for Renewable Energy Systems Technology (CREST), Wolfson School Mechanical, Manufacturing and Electrical Engineering, Loughborough University, Loughborough LE11 3GR, UK)

  • Roger Dixon

    (Wolfson School Mechanical, Manufacturing and Electrical Engineering, Loughborough University, Loughborough LE11 3TU, UK)

  • Valeria Ramírez

    (Instituto Nacional de Eficiencia Energética y Energías Renovables (INER), Quito EC170507, Ecuador)

  • Diego Chulde

    (Instituto Nacional de Eficiencia Energética y Energías Renovables (INER), Quito EC170507, Ecuador)

Abstract

This paper presents the technical validation of a novel, low-complexity alternative based on the inclusion of a patented (IEPI-MU-2016-185) packed bed for improving the performance of remote, small-scale gasification facilities. This study was carried out in an updraft, atmospheric-pressure gasifier, outfitted with a syngas reflux line, air and oxygen feed, and an upper packed-bed coupled to the gasification unit to improve the syngas quality by catalytic treatment and CO 2 adsorption. The experimental facility is located in the rural community San Pedro del Laurel, Ecuador. Gasification experiments, with and without packed material in the upper chamber, were performed to assess its effect on the syngas quality. The assessment revealed that the packed material increases the carbon monoxide (CO) content in the syngas outlet stream while carbon dioxide (CO 2 ) was reduced. This option appears to be a suitable and low-complexity alternative for enhancing the content of energy vectors of syngas in gasification at atmospheric pressure since CO/CO 2 ratios of 5.18 and 3.27 were achieved against reported values of 2.46 and 0.94 for operations which did not include the addition of packed material. It is concluded that the upper packed-bed is an active element able to modify syngas characteristics since CO 2 content was reduced.

Suggested Citation

  • Ricardo A. Narváez C. & Richard Blanchard & Roger Dixon & Valeria Ramírez & Diego Chulde, 2018. "Low-Cost Syngas Shifting for Remote Gasifiers: Combination of CO 2 Adsorption and Catalyst Addition in a Novel and Simplified Packed Structure," Energies, MDPI, vol. 11(2), pages 1-16, February.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:2:p:311-:d:129778
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    2. Nadia Cerone & Francesco Zimbardi, 2018. "Gasification of Agroresidues for Syngas Production," Energies, MDPI, vol. 11(5), pages 1-18, May.

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