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Engines for combined heat and power

: Ouadi, M.; Yang, Y.; Hornung, A.


Hornung, Andreas:
Transformation of biomass: Theory to practice
Weinheim: Wiley-VCH, 2014
ISBN: 978-1-119-97327-0
ISBN: 978-1-118-69361-2
ISBN: 978-1-118-69364-3
DOI: 10.1002/9781118693643
Book Article
Fraunhofer UMSICHT Oberhausen ()

Spark-ignited (SI) gas engines are for the use of fuel gas only and are limited to the flammable range of the gas; this means the range of a concentration of a gas or vapor that will burn after ignition. Fuel gas like syngas from gasification or biogas must meet high quality and chemical purity standards for combustion in SI gas engines. Considerable effort has been devoted to fast pyrolysis over the years and some of the product oils have been tested in diesel or dual-fuel engines since 1993. For biogas conversion, usually dual-fuel engines are used, while for synthesis gas the use of gas engines is more common. The trials using wood derived pyrolysis oil from fast pyrolysis have not yet been a success story and these approaches have usually failed due to the high corrosivity of the pyrolysis oils.