Review of fuel oil quality and combustion of fast pyrolysis bio-oils from lignocellulosic biomass

Jani Lehto, Anja Oasmaa, Yrjö Solantausta, Matti Kytö, David Chiaramonti

Research output: Contribution to journalArticleScientificpeer-review

183 Citations (Scopus)

Abstract

Fast pyrolysis bio-oils are completely different from petroleum fuels and other bio-fuels available in the market, as regards both to their physical properties and chemical composition. When the unusual properties of these bio-oils are carefully taken into account in system and burner design, their combustion without a pilot flame or support fuel is possible on an industrial scale. The aim of the paper is to review the work done on combustion of fast pyrolysis bio-oils and highlight the latest and most important findings of its combustion from laboratory fundamentals to industrial scale. The main focus of the paper is on the bio-oil burner applications.In recent industrial scale bio-oil combustion tests, bio-oil has been found to be technically suitable for replacing heavy fuel oil in district heating. In addition, it has also been found out that limited possibilities for further lowering particulate emissions exist, since the majority of the particulates are typically incombustible matter. Curves for NO. x-emissions of fast pyrolysis bio-oil combustion for air-assisted atomization burners are presented in the paper.Current burner designs are quite sensitive to the changes in the quality of the bio-oil, which may cause problems in ignition, flame detection and flame stabilization. Therefore, in order to be able to create reliable bio-oil combustion systems that operate at high efficiency, bio-oil grades should be standardized for combustion applications. Careful quality control, combined with standards and specifications, all the way from feedstock harvesting through production to end-use is recommended in order to make sure that emission targets and limits in combustion applications are achieved. Also the cost-effectiveness of the total package is extremely important.

Original languageEnglish
Pages (from-to)178-190
Number of pages13
JournalApplied Energy
Volume116
DOIs
Publication statusPublished - 1 Mar 2014
MoE publication typeA1 Journal article-refereed

Fingerprint

Fuel oils
pyrolysis
Biomass
Pyrolysis
combustion
oil
biomass
Fuel burners
Oil burners
Oils
fuel oil
Residual fuels
Particulate emissions
District heating
Atomization
Cost effectiveness
Feedstocks
Quality control
Ignition
biofuel

Keywords

  • Burner applications
  • Combustion
  • Emissions
  • Fast pyrolysis
  • Lignocellulosic biomass
  • Pyrolysis oil

Cite this

Lehto, Jani ; Oasmaa, Anja ; Solantausta, Yrjö ; Kytö, Matti ; Chiaramonti, David. / Review of fuel oil quality and combustion of fast pyrolysis bio-oils from lignocellulosic biomass. In: Applied Energy. 2014 ; Vol. 116. pp. 178-190.
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Review of fuel oil quality and combustion of fast pyrolysis bio-oils from lignocellulosic biomass. / Lehto, Jani; Oasmaa, Anja; Solantausta, Yrjö; Kytö, Matti; Chiaramonti, David.

In: Applied Energy, Vol. 116, 01.03.2014, p. 178-190.

Research output: Contribution to journalArticleScientificpeer-review

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