Microalgal Torrefaction for Solid Biofuel Production

Shih Hsin Ho, Congyu Zhang, Fei Tao, Chaofan Zhang, Wei Hsin Chen

Research output: Contribution to journalReview articlepeer-review

25 Citations (Scopus)


Microalgae are recognized as promising feedstocks for biofuel production and have been intensively studied. However, a systematic investigation of the relationship between cellular components and fuel properties in microalgae is currently absent. This review introduces recent advances in microalgal torrefaction and critically evaluates the properties of torrefied products from the viewpoint of molecular conversion. We also critically review how to regulate biosynthesis to better modulate microalgal metabolism and how cellular components impact fuel properties. Process optimization to improve solid fuel properties using different torrefaction technologies are furthermore comprehensively compared and summarized. This review provides new insights into developing innovative microalgal solid biofuels and increasing their commercial viability.

Original languageEnglish
Pages (from-to)1023-1033
Number of pages11
JournalTrends in Biotechnology
Issue number9
Publication statusPublished - 2020 Sep

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering


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