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On the efficiency, exergy costs and CO2 emission cost allocation for an integrated syngas and ammonia production plant

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  • Flórez-Orrego, Daniel
  • de Oliveira Junior, Silvio

Abstract

This paper presents an exergy and environmental assessment of a 1000 metric t/day ammonia production plant based on the steam methane reforming (SMR) process, including the syngas production, purification (CO2 capture) and compression units, as well as the ammonia synthesis and purge gas treatment. An integrated heat recovery system produces power and steam at three pressure levels, besides exporting hot water, CO2 and fuel gas, with no additional heat or power consumption being required. Two configurations for ammonia refrigeration process (−20 °C) are compared in terms of power consumption. Exergy cost data for upstream processing stages of natural gas is used to calculate the extended exergy cost of the products of the plant, namely ammonia, CO2 and fuel gas. Moreover, an appropriated methodology is employed to properly allocate the renewable and non-renewable exergy costs, as well as the CO2 emissions of the reforming, shift and furnace stack among the products of the plant. By considering that the cost reduction of the combustion gases is a linear function of the exergy flow rate reduction in each component of the heat recovery system, an improved allocation of the CO2 emission cost along the convection train is performed. A breakdown of the total exergy destruction rate of the plant (136.5 MW) shows that about 59% corresponds to the reforming process followed far behind by the ammonia synthesis and condensation (18.3%) and the gas purification units (13.2%). The overall exergy efficiency of the ammonia plant is calculated as 66.36%, which is enhanced by recovering the hydrogen-rich and fuel gases in the purge gas treatment process. The total and non-renewable exergy costs and CO2 emission cost of the ammonia produced are calculated as 1.7950 kJ/kJ and 0.0881 kgCO2/MJ, respectively. In addition, a rational exergy cost of 1.6370 kJ/kJ and CO2 emission cost of 0.0821 kgCO2/MJ are allocated to the CO2 gas, which can be supplied as feedstock to an associated chemical plant (urea, methanol, polymers, etc.).

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  • Flórez-Orrego, Daniel & de Oliveira Junior, Silvio, 2016. "On the efficiency, exergy costs and CO2 emission cost allocation for an integrated syngas and ammonia production plant," Energy, Elsevier, vol. 117(P2), pages 341-360.
    • Handle: RePEc:eee:energy:v:117:y:2016:i:p2:p:341-360
    DOI: 10.1016/j.energy.2016.05.096
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    as
    1. Lazzaretto, Andrea & Tsatsaronis, George, 2006. "SPECO: A systematic and general methodology for calculating efficiencies and costs in thermal systems," Energy, Elsevier, vol. 31(8), pages 1257-1289.
    2. Leites, I.L. & Sama, D.A. & Lior, N., 2003. "The theory and practice of energy saving in the chemical industry: some methods for reducing thermodynamic irreversibility in chemical technology processes," Energy, Elsevier, vol. 28(1), pages 55-97.
    3. Panjeshahi, M.H. & Ghasemian Langeroudi, E. & Tahouni, N., 2008. "Retrofit of ammonia plant for improving energy efficiency," Energy, Elsevier, vol. 33(1), pages 46-64.
    4. Agudelo, Andrés & Valero, Antonio & Usón, Sergio, 2013. "The fossil trace of CO2 emissions in multi-fuel energy systems," Energy, Elsevier, vol. 58(C), pages 236-246.
    5. Worrell, E. & Blok, K., 1994. "Energy savings in the nitrogen fertilizer industry in the Netherlands," Energy, Elsevier, vol. 19(2), pages 195-209.
    6. Flórez-Orrego, Daniel & da Silva, Julio A.M. & Velásquez, Héctor & de Oliveira, Silvio, 2015. "Renewable and non-renewable exergy costs and CO2 emissions in the production of fuels for Brazilian transportation sector," Energy, Elsevier, vol. 88(C), pages 18-36.
    7. Kirova-Yordanova, Zornitza, 2004. "Exergy analysis of industrial ammonia synthesis," Energy, Elsevier, vol. 29(12), pages 2373-2384.
    8. Frangopoulos, Christos A., 1987. "Thermo-economic functional analysis and optimization," Energy, Elsevier, vol. 12(7), pages 563-571.
    9. Ayres, Robert U. & Warr, Benjamin, 2005. "Accounting for growth: the role of physical work," Structural Change and Economic Dynamics, Elsevier, vol. 16(2), pages 181-209, June.
    10. Hajjaji, Noureddine & Pons, Marie-Noëlle & Houas, Ammar & Renaudin, Viviane, 2012. "Exergy analysis: An efficient tool for understanding and improving hydrogen production via the steam methane reforming process," Energy Policy, Elsevier, vol. 42(C), pages 392-399.
    11. Lozano, M.A. & Valero, A., 1993. "Theory of the exergetic cost," Energy, Elsevier, vol. 18(9), pages 939-960.
    12. Borelli, Samuel José Sarraf & de Oliveira Junior, Silvio, 2008. "Exergy-based method for analyzing the composition of the electricity cost generated in gas-fired combined cycle plants," Energy, Elsevier, vol. 33(2), pages 153-162.
    13. Song, Guohui & Xiao, Jun & Zhao, Hao & Shen, Laihong, 2012. "A unified correlation for estimating specific chemical exergy of solid and liquid fuels," Energy, Elsevier, vol. 40(1), pages 164-173.
    14. Marmolejo-Correa, Danahe & Gundersen, Truls, 2012. "A comparison of exergy efficiency definitions with focus on low temperature processes," Energy, Elsevier, vol. 44(1), pages 477-489.
    15. Abdollahi-Demneh, Farzad & Moosavian, Mohammad Ali & Omidkhah, Mohammad Reza & Bahmanyar, Hossein, 2011. "Calculating exergy in flowsheeting simulators: A HYSYS implementation," Energy, Elsevier, vol. 36(8), pages 5320-5327.
    16. Torres, C. & Valero, A. & Rangel, V. & Zaleta, A., 2008. "On the cost formation process of the residues," Energy, Elsevier, vol. 33(2), pages 144-152.
    17. Kirova-Yordanova, Zornitza, 2011. "Application of the exergy method to the environmental impact estimation: The nitric acid production as a case study," Energy, Elsevier, vol. 36(6), pages 3733-3744.
    18. Silva, J.A.M. & Oliveira, S., 2014. "An exergy-based approach to determine production cost and CO2 allocation in refineries," Energy, Elsevier, vol. 67(C), pages 607-616.
    19. Agudelo, Andrés & Valero, Antonio & Torres, César, 2012. "Allocation of waste cost in thermoeconomic analysis," Energy, Elsevier, vol. 45(1), pages 634-643.
    20. Silva, J.A.M. & Flórez-Orrego, D. & Oliveira, S., 2014. "An exergy based approach to determine production cost and CO2 allocation for petroleum derived fuels," Energy, Elsevier, vol. 67(C), pages 490-495.
    21. Rafiqul, Islam & Weber, Christoph & Lehmann, Bianca & Voss, Alfred, 2005. "Energy efficiency improvements in ammonia production—perspectives and uncertainties," Energy, Elsevier, vol. 30(13), pages 2487-2504.
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    Cited by:

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    8. Silva Ortiz, Pablo & Flórez-Orrego, Daniel & de Oliveira Junior, Silvio & Maciel Filho, Rubens & Osseweijer, Patricia & Posada, John, 2020. "Unit exergy cost and specific CO2 emissions of the electricity generation in the Netherlands," Energy, Elsevier, vol. 208(C).
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