Klemen Rola (Author), Sven Gruber (Author), Danijela Doberšek (Author), Darko Goričanec (Author)

Abstract

Synthetically produced biofuels play a critical role in the energy transition away from fossil fuels. Biofuels could effectively lower greenhouse gas (GHG) emissions and contribute to better air quality. One of these biofuels is bioethanol, which could act as a gasoline replacement. For this purpose, a simulation of bioethanol production through lignocellulosic biomass fermentation, focused on distillation, was carried out in simulation software Aspen Plus. Since the possibility of absolute ethanol production through distillation is limited by the ethanol–water azeotrope, pressure swing distillation (PSD) was used to obtain fuel-grade ethanol (EtOH) with a fraction of 99.60 wt.%. The flowsheet was optimised with NQ analysis, which is a simple optimisation method for distillation columns. We found that the PSD has the potential to concentrate the EtOH to a desired value, while simultaneously removing other unwanted impurities whose presence is a consequence of pretreatment and fermentation processes.

Keywords

bioetanol;distilacija;lignocelulozna biomasa;bioethanol;distillation;lignocellulosic biomass;azeotrope;Aspen Plus;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UM FKKT - Faculty of Chemistry and Chemical Engineering
Publisher: MDPI
UDC: 620.9
COBISS: 187697667 Link will open in a new window
ISSN: 2673-4079
Views: 99
Downloads: 28
Average score: 0 (0 votes)
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Other data

Secondary language: Slovenian
Secondary keywords: bioetanol;distilacija;lignocelulozna biomasa;
Type (COBISS): Article
Pages: 12 str.
Volume: ǂVol. ǂ5
Issue: ǂiss. ǂ1
Chronology: Feb. 2024
DOI: 10.3390/suschem5010001
ID: 24720619
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