Hydrothermal liquefaction of chlorella pyrenoidosa in ethanol-water for bio-crude production

Jixiang Zhang, Yuanhui Zhang, Zhongyang Luo

Research output: Contribution to journalConference articlepeer-review


Ethanol as the hydrothermal liquefaction (HTL) solvent enjoyed the advantages of improved bio-crude oil yield and quality. However, it suffered the problem that the solid residue yield increased dramatically under high loading factor conditions in a batch reaction. In this paper, ethanol-water mixture was introduced to improve the HTL process, and the effects of ethanol concentration on the product distribution and characterization were discussed. Experimental results indicated that 71.4 wt% ethanolwater solutions had the best performance with the highest bio-crude yield of 57.3 wt% and the lowest solid residue yield of 9.4 wt%. Furthermore, a potential HTL mechanism for the presented process was proposed based on the products analysis.

Original languageEnglish (US)
Pages (from-to)1961-1964
Number of pages4
JournalEnergy Procedia
StatePublished - 2014
Event6th International Conference on Applied Energy, ICAE 2014 - Taipei, Taiwan, Province of China
Duration: May 30 2014Jun 2 2014


  • Bio-crude
  • Ethanol-water
  • Hydrothermal liquefaction
  • Microalgae

ASJC Scopus subject areas

  • General Energy


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