Development of a New Highly Efficient and Fuel Flexible Medium-Scale CHP Technology Based on Fixed-Bed Updraft Biomass Gasification and a SOFC

  • Project no.250793
  • Duration 10/2016 - 09/2021

Within the EU Horizon 2020 project "HiEff-BioPower" a new highly efficient biomass CHP technology consisting of a fuel-flexible fixed-bed updraft gasifier, a novel compact gas cleaning system and a solid oxide fuel cell (SOFC) shall be developed for a capacity range of 1 to 10 MW (total energy output). The technology shall distinguish itself by a wide fuel spectrum applicable (wood pellets, wood chips, SRC, selected agricultural fuels like agro-pellets, fruit stones/shells), high gross electric and overall efficiencies as well as equal-zero gaseous and PM emissions. The system shall consist of a fuel-flexible updraft gasification technology with ultra-low particulate matter and alkali metal concentrations in the product gas (which reduces the efforts for gas cleaning), an integrated high temperature gas cleaning approach for dust, HCl and S removal and tar cracking within one process step as well as a SOFC system which tolerates certain amounts of tars as fuel.

To fulfill these goals a methodology shall be applied which is divided into a technology development part (process simulations, computer aided design of the single units and the overall system, test plant construction, performance and evaluation of test runs, risk and safety analysis) as well as a technology assessment part covering techno-economic, environmental and overall impact assessments and market studies regarding the potentials for application. The novel technology shall define a new milestone in terms of CHP efficiency and equal-zero emission technology in the medium-scale capacity range and shall contribute to a stronger and future-oriented EU energy supply based on renewables. Its fuel flexibility shall ensure a high attractiveness and market application potential and thus strengthen the industrial base in the EU as well as the technological leadership. Within the consortium, the Wuppertal Institute is responsible for the environmental and overall impact assessment as well as for dissemination activities.

This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 727330.

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