Process optimization for continuous production of sustainable biodiesel from completely non-edible biomass, lignocellulosic hydrous ethanol and waste fatty acids

Nahian Siddique, Masato Suzue, Makiko Kato, Kousuke Hiromori, Naomi Shibasaki-Kitakawa

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This work developed a continuous production process of sustainable biodiesel from completely non-edible biomass to replace first generation one from fossil derived methanol and edible oils. Hydrous bioethanol obtained from woody biomass (without the standard dehydration that requires a significant energy input) and waste fatty acids generated as by-products of edible oil refining were used as feedstocks. Esterification was performed using a porous cation-exchange resin in conjunction with ethanol having water levels of 0 to 15 wt%, in both batch and continuous systems. High fatty acid conversions of more than 90% were obtained in both systems by optimizing the reaction time, even with a water concentration in the ethanol as high as 15 wt%. Because the resin was found to maintain its catalytic activity over time, this technology is expected to assist in the development of future sustainable fuel systems.

Original languageEnglish
Article number119884
JournalFuel
Volume289
DOIs
Publication statusPublished - 2021 Apr 1

Keywords

  • Biodiesel
  • Bioethanol
  • Continuous production
  • Ion-exchange resin
  • Non-edible biomass

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Organic Chemistry

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