Reductive catalytic fractionation as a novel pretreatment/lignin-first approach for lignocellulosic biomass valorization: A review

M Jindal, P Uniyal, B Thallada - Bioresource Technology, 2023 - Elsevier
Presently, the use of lignocellulosic biomass is mainly focused on creating pulp/paper,
energy, sugars and bioethanol from the holocellulose component, leaving behind lignin to …

Depolymerization of lignin: Recent progress towards value-added chemicals and biohydrogen production

H Ramzan, M Usman, F Nadeem, M Shahzaib… - Bioresource …, 2023 - Elsevier
The need for alternative sources of energy became increasingly urgent as demand for
energy and the use of fossil fuels both soared. When processed into aromatic compounds …

On the Oxidative Valorization of Lignin to High‐Value Chemicals: A Critical Review of Opportunities and Challenges

OY Abdelaziz, I Clemmensen, S Meier… - …, 2022 - Wiley Online Library
The efficient valorization of lignin is crucial if we are to replace current petroleum‐based
feedstock and establish more sustainable and competitive lignocellulosic biorefineries. Pulp …

Recent advances of lignin valorization techniques toward sustainable aromatics and potential benchmarks to fossil refinery products

RJ Khan, CY Lau, J Guan, CH Lam, J Zhao, Y Ji… - Bioresource …, 2022 - Elsevier
Aromatic compounds are important fuels and key chemical precursors for organic synthesis,
however the current aromatics market are mainly relying on fossil resources which will …

Recent advances in lignin depolymerization techniques: A comparative overview of traditional and greener approaches

R Roy, MS Rahman, TA Amit, B Jadhav - Biomass, 2022 - mdpi.com
Due to the increased and excessive consumption of fossil fuels, sustainable alternative
energy sources are badly needed to replace fossil fuels. The conversion of biomass into …

Catalytic hydrothermal liquefaction of lignin for production of aromatic hydrocarbon over metal supported mesoporous catalyst

L Feng, X Li, Z Wang, B Liu - Bioresource Technology, 2021 - Elsevier
Catalytic hydrothermal liquefaction (HTL) of lignin was examined at various temperature
(250–310° C) and reaction time in the presence of different solvents (water, methanol and …

Hydrothermal oxidative valorisation of lignin into functional chemicals: A review

A Kumar, B Biswas, R Kaur, BB Krishna… - Bioresource …, 2021 - Elsevier
Lignin is a waste by-product of bio-refineries and paper-pulp industries. It has an attractive
potential to produce numerous valuable chemicals due to its highly aromatic character. At …

Selective production of phenolic monomer via catalytic depolymerization of lignin over cobalt-nickel-zirconium dioxide catalyst

B Biswas, M Sakhakarmy, T Rahman, H Jahromi… - Bioresource …, 2024 - Elsevier
The utilization of lignin, an abundant and renewable bio-aromatic source, is of significant
importance. In this study, lignin oxidation was examined at different temperatures with …

Catalytic (copper) hydrothermal liquefaction for lignin to produce high quality bio-oil and nano Cu carbon hybrids material

A Kumar, P Yadav, SN Reddy - Chemical Engineering Science, 2023 - Elsevier
The in-situ hydrothermal liquefaction of direct Cu salt solution with lignin and Cu-
impregnated lignin was performed with a motive to enhance the bio-oil yield along with the …

Catalytic aerobic oxidation of lignin-based vanillyl alcohol under base–free conditions over an efficient and reusable LaFeO 3 perovskite for vanillin production

Y Zhou, W Xiong, Y Jin, P Wang, W Wei, J Ma… - Green …, 2023 - pubs.rsc.org
Conversion of lignin feedstocks into aromatic chemicals is a highly desirable target for
biorefineries, and their depolymerization often requires high temperatures and harsh …