Concept for a Decentralised Combined Heat and Power Generation Unit for Biomass Gasification

QC 20160212
The development of an improved process for decentralised combined heat and power generation from biomass gasification was the main goal of this project. Based on gasification tests performed in a bench-scale pressurised fluidised gasifier a concept for an allothermal gasification unit was made. Air-blown as well as steam-blown tests were carried out considering three different kinds of biomass (birch, salix, and crushed pelletised straw) against a wide spectrum of operation conditions with different bed-materials (silica sands, magnesite and dolomite). The aim of the gas quality optimisation was the production of a fuel gas (syngas) with a high H2 and low tar content suitable for a gas engine. The tar content was measured with SPA method and a gravimetric method. The tests were performed at the Royal Institute of Technology, Stockholm, in close co-operation with the University of Essen. Jenbacher AG designed a new type of cylinder head for the direct feeding of the hot pressurised syngas into the gas engine in co-operation with the Technical University of Graz. Taking the results obtained into account a concept of decentralised combined heat and power generation (CHP) unit with an electrical power output of 1 MW was set up.

In:Progress in Thermochemical Biomass ConversionOxford, UK : Wiley-Blackwell, s. 499-5089780470694954

By the author/editor: Romey, I.; Adorni, M.; Wartmann, J.; Herdin, G.; Beran, R.; Sjöström, Kriste ...; show more...; Rosén, Christer; show less...

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