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Issue 5, 2011
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Optimal process design for the polygeneration of SNG, power and heat by hydrothermal gasification of waste biomass: Process optimisation for selected substrates

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Abstract

Based on a previously developed thermo-economic process model, this paper presents a detailed design study for the polygeneration of Synthetic Natural Gas (SNG), power and heat by catalytic hydrothermal gasification of biomass and biomass wastes in supercritical water. Using multi-objective optimisation techniques, the thermodynamic and thermo-economic performances of all candidate configurations from a general process superstructure are optimised with respect to SNG and electricity cogeneration and its associated investment cost, production cost and plant profitability. The paper demonstrates how both the optimal system configuration, its operating conditions and performances depend on the available technology, catalyst lifetime, process scale and the characteristics of the processed substrate.

Graphical abstract: Optimal process design for the polygeneration of SNG, power and heat by hydrothermal gasification of waste biomass: Process optimisation for selected substrates

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Publication details

The article was received on 07 Nov 2010, accepted on 11 Feb 2011 and first published on 06 Apr 2011


Article type: Paper
DOI: 10.1039/C0EE00634C
Citation: Energy Environ. Sci., 2011,4, 1742-1758
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    Optimal process design for the polygeneration of SNG, power and heat by hydrothermal gasification of waste biomass: Process optimisation for selected substrates

    M. Gassner, F. Vogel, G. Heyen and F. Maréchal, Energy Environ. Sci., 2011, 4, 1742
    DOI: 10.1039/C0EE00634C

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