| Title |
Techno-economic optimization of a process superstructure for lignin valorization |
| ID_Doc |
19391 |
| Authors |
Robinson, AJ; Giuliano, A; Abdelaziz, OY; Hulteberg, CP; Koutinas, A; Triantafyllidis, KS; Barletta, D; De Bari, I |
| Title |
Techno-economic optimization of a process superstructure for lignin valorization |
| Year |
2022 |
| Published |
|
| DOI |
10.1016/j.biortech.2022.128004 |
| Abstract |
Lignin, the most abundant aromatic biopolymer on Earth, is often considered a biorefinery by-product, despite its potential to be valorized into high-added-value chemicals and fuels. In this work, an integrated superstructurebased optimization model was set up and optimized using mixed-integer non-linear programming for the conversion of technical lignin to three main biobased products: aromatic monomers, phenol-formaldehyde resins, and aromatic aldehydes/acids. Several alternative conversion pathways were simultaneously compared to assess the profitability of lignins-based processes by predicting the performance of technologies with different TRL. Upon employing key technologies such as hydrothermal liquefaction, dissolution in solvent, or high-temperature electrolysis, the technical lignins could have a market value of 200 euro/t when the market price for aromatic monomers, resins, and vanillin is at least 2.0, 0.8, and 15.0 euro/kg, respectively. When lower product selling prices were considered, the aromatic monomers and the resins were not profitable as target products. |
| Author Keywords |
Aromatic monomers; Biorefinery; Lignin valorization; Modelling; Phenolic resins; Process optimization; Vanillin |
| Index Keywords |
Index Keywords |
| Document Type |
Other |
| Open Access |
Open Access |
| Source |
Science Citation Index Expanded (SCI-EXPANDED) |
| EID |
WOS:000933893900004 |
| WoS Category |
Agricultural Engineering; Biotechnology & Applied Microbiology; Energy & Fuels |
| Research Area |
Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels |
| PDF |
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