Thermodynamic analysis of supercritical water gasification combined with a reversible solid oxide cell

Mayra Recalde; Amogh Amladi; Vikrant VenkataramanTheo WoudstraPurushothaman Vellayani Aravind

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Thermodynamic analysis of supercritical water gasification combined with a reversible solid oxide cell

机译：Thermodynamic analysis of supercritical water gasification combined with a reversible solid oxide cell

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The low cost of electricity in some areas facilitates the adoption of high-temperature electrolysis plants for the large-scale storage of electricity. Supercritical water gasification (SCWG) is a promising method of syngas production from wet biomass. Additionally, it is a potential source of steam for electrochemical plants. However, the commercialisation of standalone SCWG systems is hindered by low efficiency and high operating cost. Accordingly, we propose the integration of SCWG with a reversible solid oxide cell (rSOC) to realise simultaneous syngas or power generation and wet biomass conversion. This technique would make the process feasible in terms of energy, allowing engineers to use SCWG to combine power generation with fuel production. The wet syngas from the SCWG is fed to the rSOC powered by excess renewable electricity in electrolysis mode, where steam is reduced to H_2 to produce dry syngas with a higher calorific value. The energy efficiency of the proposed system is 91% in electrolysis mode and 47% in fuel cell mode. The electrolysis increases the syngas yield by a factor of thirteen and the use of total syngas generates twelve times more power in fuel cell mode compared to the use of only fresh syngas from SCWG.

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《Energy conversion & management》 |2022年第10期|116208.1-116208.22|共22页
作者
Mayra Recalde; Amogh Amladi; Vikrant VenkataramanTheo WoudstraPurushothaman Vellayani Aravind;
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作者单位

Process & Energy, 3me Delft University of Technology, Leeghwaterstraat 39, 2628 CA Delft, the Netherlands;

Energy and Sustainability Research Institute Groningen, Faculty of Science and Engineering, University of Groningen, Nijenborgh 6, 9747 AG Groningen, the Netherlands;

Fuel Cell Business Unit, Instrumentation and Test Systems, AVL List GmbH, Hans List Platz 1, 8020 Graz, AustriaProcess & Energy, 3me Delft University of Technology, Leeghwaterstraat 39, 2628 CA Delft, the Netherlands, Energy and Sustainability Research Institute Groningen, Faculty of Science and Engineering, University of Groningen, Nijenborgh 6, 9747 AG Groningen;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
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Supercritical water gasification; Reversible solid-oxide cell; Biomass; Syngas; Renewable energy; Aspen Plus;

Thermodynamic analysis of supercritical water gasification combined with a reversible solid oxide cell

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