TY - JOUR
T1 - Improving the production efficiency and sustainability of lignin-alcohol fuel processed at ambient temperature
AU - Simonsen, Tor Ivan
AU - Djajadi, Demi Tristan
AU - Montanvert, Hugo
AU - Sgarzi, Massimo
AU - Gigli, Matteo
AU - Thomsen, Sune Tjalfe
AU - Cabrera Orozco, Yohanna
AU - Crestini, Claudia
N1 - Publisher Copyright:
© 2024
PY - 2024
Y1 - 2024
N2 - Lignin represents a promising source of renewable energy. The development of CLEO (Cold processed Lignin Ethanol Oil) fuel introduces a novel lignin valorization approach, proposing its potential as maritime biofuel. However, its industrial success depends on enhancing fractionation yields and reducing solvent evaporation, which necessitates a detailed analysis of lignin properties, solvent types, and process parameters. By using novel combinations of biobased solvents, yields improved from 34 wt% to 49–53 wt% by using 30 wt% water or 40 wt% glycerol in ethanol, where Hildebrand Solubility Parameters emerged as indicative tool for increasing yields. Experiments on solid-to-liquid (S:L) ratios revealed a good balance between yield and lignin dispersion concentration at an S:L of 1:2.5. Producing CLEO with an improved solvent composition and S:L ratio resulted in 89 wt% yield while eliminating solvent evaporation requirements. This study highlights the potential for enhancing CLEO production efficiency and advancing it to industrial scale.
AB - Lignin represents a promising source of renewable energy. The development of CLEO (Cold processed Lignin Ethanol Oil) fuel introduces a novel lignin valorization approach, proposing its potential as maritime biofuel. However, its industrial success depends on enhancing fractionation yields and reducing solvent evaporation, which necessitates a detailed analysis of lignin properties, solvent types, and process parameters. By using novel combinations of biobased solvents, yields improved from 34 wt% to 49–53 wt% by using 30 wt% water or 40 wt% glycerol in ethanol, where Hildebrand Solubility Parameters emerged as indicative tool for increasing yields. Experiments on solid-to-liquid (S:L) ratios revealed a good balance between yield and lignin dispersion concentration at an S:L of 1:2.5. Producing CLEO with an improved solvent composition and S:L ratio resulted in 89 wt% yield while eliminating solvent evaporation requirements. This study highlights the potential for enhancing CLEO production efficiency and advancing it to industrial scale.
KW - CLEO
KW - CliMO
KW - Lignin fractionation
KW - Lignin fuel
KW - Marine biofuel
KW - NMR
U2 - 10.1016/j.biortech.2024.131087
DO - 10.1016/j.biortech.2024.131087
M3 - Journal article
C2 - 39032534
AN - SCOPUS:85199777753
VL - 408
JO - Bioresource Technology
JF - Bioresource Technology
SN - 0960-8524
M1 - 131087
ER -