Results from industrial size biogas-fed SOFC plant (DeMosofC project)

Massimo Santarelli, Marta Gandiglio, Marco Acri, Tuomas Hakala, Markus Rautanen, Adam Hawkes

    Research output: Contribution to journalArticleScientificpeer-review

    3 Citations (Scopus)

    Abstract

    The EU-funded DEMOSOFC project demonstrates the technical and economic feasibility of operating a 174 kWe (+ 100 kWth) SOFC system in a wastewater treatment plant, fed by biogas. The integrated biogas-SOFC plant includes three main units: 1) the biogas clean-up and compression section; 2) the SOFC power modules, and 3) the heat recovery loop. The present work is related to the results of the operation of the SOFC system. More than 7000 hours of operation have been reached onsite. Biogas raw composition is daily measured: starting form values of around 50 ppm (Sulphur equivalent) and 1.0-1.5 ppm (siloxanes equivalent) downstream the results show zero H2S and zero siloxanes. Measured SOFC efficiency from biogas to AC power has always been higher than 52-53%, with peaks of 56%. A dedicated emissions measurements campaign shows NOx < 20 mg/m3, SO2 < 8 mg/m3 and particulate lower than ambient air values (0.01 mg/m3).

    Original languageEnglish
    Pages (from-to)107-116
    JournalECS Transactions
    Volume91
    Issue number1
    DOIs
    Publication statusPublished - 2019
    MoE publication typeA1 Journal article-refereed
    Event16th International Symposium on Solid Oxide Fuel Cells, SOFC 2019 - Kyoto, Japan
    Duration: 8 Sep 201913 Sep 2019

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