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Numerical simulation for the steam gasification of single char particle

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Abstract

Simulation of a single char particle for the synthesis gas production is challenging task due to its complex chemical reactions coupled with the varying physicochemical properties during the gasification process. Steam gasification of a single char particle require the favourable conditions for the CO and H2 enriched gas with minimum CO2 formation. Here, non-linear partial differential equation for the unsteady state diffusion-controlled reaction of a gasification agent (steam) inside the non-catalytic porous spherical char particle is numerically solved by staggered grid finite volume method with suitable boundary conditions. The steam gasification is numerically solved for the variable size char particle of two different diameters, i.e. 5 and 10 mm between the temperature range of 1000–1300 K. Gasification process at high-steam partial pressure suggests high H2 and CO concentration in the synthesis gases.

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Acknowledgements

The authors gratefully acknowledge the financial and other related support from Indian Institute of Technology Roorkee, India.

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Authors and Affiliations

  1. Department of Chemical Engineering, Government Polytechnic Gorakhpur, Gorakhpur, Uttar Pradesh, 273012, India

    Vinod Kumar Yadav

  2. Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247667, India

    Vinod Kumar Yadav & Vineet Kumar

  3. Department of Chemical Engineering, Madan Mohan Malaviya University of Technology Gorakhpur, Gorakhpur, Uttar Pradesh, 273016, India

    Ravi Shankar

  4. Department of Chemical Engineering, Indian Institute of Technology (ISM) Dhanbad, Dhanbad, 826004, India

    Vineet Kumar

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  1. Vinod Kumar Yadav
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  2. Ravi Shankar
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Correspondence to Ravi Shankar.

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Yadav, V.K., Shankar, R. & Kumar, V. Numerical simulation for the steam gasification of single char particle. Chem. Pap. 75, 863–872 (2021). https://doi.org/10.1007/s11696-020-01348-2

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