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Techno-Economic Analysis of Pressurized Oxy-Fuel Combustion of Petroleum Coke

Author

Listed:
  • Hachem Hamadeh

    (Chemical Engineering Department, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada)

  • Sannan Y. Toor

    (Chemical Engineering Department, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada)

  • Peter L. Douglas

    (Chemical Engineering Department, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada)

  • S. Mani Sarathy

    (Clean Combustion Research Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia)

  • Robert W. Dibble

    (Clean Combustion Research Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia)

  • Eric Croiset

    (Chemical Engineering Department, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada)

Abstract

Petroleum coke (petcoke) is a by-product of heavy petroleum refining, with heating values comparable to that of coal. It is readily available in oil-producing countries such as the United States of America (USA) and the Kingdom of Saudi Arabia (KSA) at minimum costs and can be used as an inexpensive fossil fuel for power generation. Oxy-petcoke combustion is an attractive CO 2 capture option as it avoids the use of additional absorption units and chemicals, and results in a CO 2 + H 2 O flue gas stream that is compressed and dehydrated in a CO 2 capture and purification unit (CO 2 CPU). The additional cost of the CO 2 CPU can be reduced through high pressure combustion. Hence, this paper reports a techno-economic analysis of an oxy-petcoke plant with CO 2 capture simulated at pressures between 1 and 15 bars in Aspen Plus TM based on USA and KSA scenarios. Operating at high pressures leads to reduced equipment sizes and numbers of units, specifically compressors in CO 2 CPU, resulting in increased efficiencies and decreased costs. An optimum pressure of ~10 bars was found to maximize the plant efficiency (~29.7%) and minimize the levelized cost of electricity ( LCOE ), cost of CO 2 avoided and cost of CO 2 captured for both the USA and KSA scenarios. The LCOE was found to be moderately sensitive to changes in the capital cost (~0.7% per %) and increases in cost of petcoke (~0.5% per USD/tonne) and insensitive to the costs of labour, utilities and waste treatment.

Suggested Citation

  • Hachem Hamadeh & Sannan Y. Toor & Peter L. Douglas & S. Mani Sarathy & Robert W. Dibble & Eric Croiset, 2020. "Techno-Economic Analysis of Pressurized Oxy-Fuel Combustion of Petroleum Coke," Energies, MDPI, vol. 13(13), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:13:p:3463-:d:380313
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    References listed on IDEAS

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    5. Chen, Shiyi & Yu, Ran & Soomro, Ahsanullah & Xiang, Wenguo, 2019. "Thermodynamic assessment and optimization of a pressurized fluidized bed oxy-fuel combustion power plant with CO2 capture," Energy, Elsevier, vol. 175(C), pages 445-455.
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    Cited by:

    1. Luiz Fernando Rodrigues Pinto & Henrricco Nieves Pujol Tucci & Giovanni Mummolo & Geraldo Cardoso de Oliveira Neto & Francesco Facchini, 2022. "Circular Economy Approach on Energy Cogeneration in Petroleum Refining," Energies, MDPI, vol. 15(5), pages 1-15, February.
    2. Izabela Sówka & Sławomir Pietrowicz & Piotr Kolasiński, 2021. "Energy Processes, Systems and Equipment," Energies, MDPI, vol. 14(6), pages 1-4, March.
    3. Andrey Rogalev & Nikolay Rogalev & Vladimir Kindra & Olga Zlyvko & Andrey Vegera, 2021. "A Study of Low-Potential Heat Utilization Methods for Oxy-Fuel Combustion Power Cycles," Energies, MDPI, vol. 14(12), pages 1-14, June.
    4. Jolanta Telenga-Kopyczyńska & Izabela Jonek-Kowalska, 2021. "Algorithm for Selecting Best Available Techniques in Polish Coking Plants Supporting Multi-Criteria Investment Decisions in European Environmental Conditions," Energies, MDPI, vol. 14(9), pages 1-24, May.

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