Lignin valorization in biorefineries: A techno-economic analysis of a novel process for biolubricant production from lignin and waste cooking oil

IF 3.4 3区工程技术 Q2 CHEMISTRY, PHYSICAL

Journal of Supercritical Fluids Pub Date : 2025-04-14 DOI:10.1016/j.supflu.2025.106631

Elena Barbera , Andrea Guarise , Alberto Bertucco , Randy L. Maglinao , Sandeep Kumar

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Abstract

This work aims at preliminary evaluating the techno-economic feasibility of a biolubricant production process starting from lignin and waste cooking oil, to be integrated in a lignocellulosic biorefinery. A phenyl-branched FAMEs mixture is obtained, which exhibit improved lubricity and oxidative stability compared to standard FAMEs-based biolubricants. The product is obtained exploiting aromatic hydrocarbons from lignin, generated via hydrothermal liquefaction followed by selective hydrodeoxygenation. The economic analysis compares the minimum ethanol selling price (MESP) of a generic U.S. biorefinery processing 2000 tonne/day of corn stover with and without the integration of biolubricant production. Results indicate potential improvement in the biorefinery economic performance, with MESP decreasing from $0.798/L in the reference case (ethanol production only) to $0.697/L when the biolubricant process is included. Reduction in the price of waste cooking oil improves the performances, although the biolubricant selling price has a large impact on the economic profitability of the process.

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来源期刊

Journal of Supercritical Fluids 工程技术-工程：化工

CiteScore

7.60

自引率

10.30%

发文量

236

审稿时长

56 days

期刊介绍： The Journal of Supercritical Fluids is an international journal devoted to the fundamental and applied aspects of supercritical fluids and processes. Its aim is to provide a focused platform for academic and industrial researchers to report their findings and to have ready access to the advances in this rapidly growing field. Its coverage is multidisciplinary and includes both basic and applied topics. Thermodynamics and phase equilibria, reaction kinetics and rate processes, thermal and transport properties, and all topics related to processing such as separations (extraction, fractionation, purification, chromatography) nucleation and impregnation are within the scope. Accounts of specific engineering applications such as those encountered in food, fuel, natural products, minerals, pharmaceuticals and polymer industries are included. Topics related to high pressure equipment design, analytical techniques, sensors, and process control methodologies are also within the scope of the journal.