Modelling of a novel catalytic supercritical water gasification power plant combined with reversible solid oxide cell

Conference paper (2017)

Authors

M.D.R. Recalde Moreno Del Rocio Energy Technology - Mechanical, Maritime and Materials Engineering
G. Botta Energy Technology - Mechanical, Maritime and Materials Engineering
A.B. Monteiro Fernandes Energy Technology - Mechanical, Maritime and Materials Engineering
T. Woudstra Energy Technology - Mechanical, Maritime and Materials Engineering
P.V. Aravind Energy Technology - Mechanical, Maritime and Materials Engineering
Research Group
Energy Technology (Mechanical, Maritime and Materials Engineering) (TU Delft)
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Published Date

2017

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Process and Energy

Research Group

Energy Technology

Abstract

Using catalytic supercritical water gasification (CSCWG) in generating energy from wet biomass is efficient and environmentally friendly. However, one of the main challenges in using CSCWG is the low syngas yield and low heating value. Syngas for power and for synthetic fuel production requires high-purity and a high heating value. In this work, a novel system is proposed which increases the CSCWG syngas heating value and yield and produce electricity using a reversible solid oxide cell (ReSOC). The plant can be used for syngas production, working in electrolyser mode powered by excess renewable electrical energy. Thermodynamic calculations indicate that the energy efficiency of the CSCWG-SOEC is in the order of 72%, in this mode the syngas yield increases around five times and is rich in hydrogen and methane, its composition allows operation within the carbon-free region of the C-H-O diagram.

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