Progress in the solvent depolymerization of lignin

V Patil, S Adhikari, P Cross, H Jahromi - Renewable and Sustainable …, 2020 - Elsevier
Solvent liquefaction of lignin is a simultaneous depolymerization and hydrodeoxygenation
process used to generate monomer products for fuel and specialty chemical applications …

Deep eutectic solvent pretreatment of biomass: Influence of hydrogen bond donor and temperature on lignin extraction with high β-O-4 content

V Provost, S Dumarcay, I Ziegler-Devin… - Bioresource …, 2022 - Elsevier
Recovering lignin with high β-O-4 content is of prime interest for further high yield
depolymerization in low molecular weight phenolic compounds. Pretreatment of …

Lignin Nanoparticles: Contribution of Biomass Types and Fractionation for an Eco-Friendly Production

V Girard, H Chapuis, N Brosse, N Canilho… - ACS Sustainable …, 2024 - ACS Publications
In order to handle urgent energy and environmental issues, the development of a circular
economy supported by lignocellulosic biorefineries is essential right now. In this respect …

The Impact of Lignin Biopolymer Sources, Isolation, and Size Reduction from the Macro-to Nanoscale on the Performances of Next-Generation Sunscreen

V Girard, L Fragnières, H Chapuis, N Brosse… - …, 2024 - pmc.ncbi.nlm.nih.gov
In recent years, concerns about the harmful effects of synthetic UV filters on the environment
have highlighted the need for natural sun blockers. Lignin, the most abundant aromatic …

Steam explosion of Aucoumea klaineana sapwood: Membrane separation of acetylated hemicelluloses

EM Moukagni, I Ziegler-Devin, R Safou-Tchima… - Carbohydrate …, 2022 - Elsevier
The fractionation of the aqueous effluent of Aucoumea klaineana Pierre (Okoumé) sapwood
steam explosion was examined by a sequential-dilution type membrane diafiltration. The …

Recovery of lignin and lignans enriched fractions from thermomechanical pulp mill process water through membrane separation technology: Pilot-plant study and …

M Villain-Gambier, M Courbalay, A Klem… - Journal of cleaner …, 2020 - Elsevier
Membrane process is a viable option for valuable compounds such as lignin and lignans
recovery in aqueous discharges of thermomechanical pulp industries. Recovery of lignin …

[HTML][HTML] Effects of pH and temperature of ultrafiltration on the composition and physicochemical properties of hot-water-extracted softwood galactoglucomannans

A Halahlah, F Abik, MH Lahtinen, A Kemppinen… - Industrial Crops and …, 2023 - Elsevier
The recovery of softwood galactoglucomannans (GGM) by pressurized hot water extraction
and further concentration by membrane filtration followed by spray drying yield biopolymers …

[HTML][HTML] Modeling the Production Process of Lignin Nanoparticles Through Anti-Solvent Precipitation for Properties Prediction

V Girard, L Marchal-Heussler, H Chapuis, N Brosse… - Nanomaterials, 2024 - mdpi.com
Global warming has recently intensified research interest in renewable polymer chemistry,
with significant attention directed towards lignin nanoparticle (LNP) synthesis. Despite …

Galactoglucomannan recovery with hydrophilic and hydrophobic membranes: Process performance and cost estimations

B Al-Rudainy, M Galbe, F Lipnizki, O Wallberg - Membranes, 2019 - mdpi.com
In this study, we compared the GR51PP (hydrophobic/polysulfone) membrane with a series
of hydrophilic (regenerated cellulose) membranes with the aim of increasing the retention of …

In-situ extraction of depolymerization products by membrane filtration against lignin condensation

V Steinmetz, M Villain-Gambier, A Klem, I Ziegler… - Bioresource …, 2020 - Elsevier
Catalytic depolymerization of lignin is a challenging process due to competitive
repolymerization reactions. In this paper, the oxidative depolymerization of lignin was …