Investigation of microalgae HTL fuel effects on diesel engine performance and exhaust emissions using surrogate fuels

F.M. Hossain, M.N. Nabi, T.J. Rainey, T. Bodisco, M.M. Rahman, K. Suara, S.M.A. Rahman, T.C. Van, Z. Ristovski, Richard J. Brown

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

This paper builds on previous work using surrogate fuel to investigate advanced internal combustion engine fuels. To date, a surrogate fuel of this nature has not been used for microalgae hydrothermal liquefaction (HTL) biocrude. This research used five different chemical groups found in microalgae HTL biocrude to design a surrogate fuel. Those five chemical groups constitute around 65% (by weight) of a microalgae biocrude produced by HTL. Weight percentage of the microalgae HTL biocrude chemical compounds were used to design the surrogate fuel, which was miscible with diesel at all percentages. The engine experiments were conducted on a EURO IIIA turbocharged common-rail direct-injection six-cylinder diesel engine to test engine performance and emissions. Exhaust emissions, including particulate matter and other gaseous emissions, were measured with the surrogate fuel and a reference diesel fuel. Experimental results showed that without significantly deteriorating engine performance, lower particulate mass, particulate number and CO emissions were observed with a penalty in NOx emissions for all surrogate blends compared to those of the reference diesel.
Original languageEnglish
Pages (from-to)186-200
Number of pages15
JournalEnergy Conversion and Management
Volume152
Early online date23 Sep 2017
DOIs
Publication statusPublished - 15 Nov 2017
Externally publishedYes

Keywords

  • Microalgae
  • Surrogate fuel
  • Diesel engine
  • Emissions
  • Particulate mass
  • Particulate number
  • PM
  • PN
  • NOx
  • CO

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