Engines for combined heat and power

Miloud Ouadi*, Yang Yang, Andreas Hornung

*Corresponding author for this work

Research output: Chapter in Book/Published conference outputChapter (peer-reviewed)peer-review


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.

Original languageEnglish
Title of host publicationTransformation of biomass
Subtitle of host publicationtheory to practice
EditorsAndreas Hornung
Place of PublicationChichester (UK)
Number of pages15
ISBN (Electronic)978-1-11-997327-0
ISBN (Print)978-1-11-869364-3
Publication statusPublished - 22 Sept 2014


  • dual-fuel engines
  • pyrolysis oil
  • spark-ignited (SI) gas engines
  • syngas


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