Ce–Zr-based mixed oxide catalyst for oxidative depolymerization of kenaf stalk (biomass) into vanillin [PDF]
Bioresources and Bioprocessing, 2023 Since petroleum became depleted, rapid attention has been devoted to renewable energy sources such as lignocellulosic biomass to produce useful chemicals for industry (for instance vanillin).
Hifza Rouf +3 more
doaj +4 more sources
Lignin-Derived Syringol and Acetosyringone from Palm Bunch Using Heterogeneous Oxidative Depolymerization over Mixed Metal Oxide Catalysts under Microwave Heating [PDF]
Molecules, 2021 Biomass valorization to building block chemicals in food and pharmaceutical industries has tremendously gained attention. To produce monophenolic compounds from palm empty fruit bunch (EFB), EFB was subjected to alkaline hydrothermal extraction using ...
Rangsalid Panyadee +7 more
doaj +2 more sources
Valorization of Lignin via Oxidative Depolymerization with Hydrogen Peroxide: Towards Carboxyl-Rich Oligomeric Lignin Fragments [PDF]
Molecules, 2020 The extraction and characterization of defined and carboxyl-rich oligomeric lignin fragments with narrow molecular weight distribution is presented herein.
Ulrike Junghans +5 more
doaj +2 more sources
Oxidative Depolymerization of Cellulolytic Enzyme Lignin over Silicotungvanadium Polyoxometalates. [PDF]
Polymers (Basel), 2019 The aim of this study was to explore the catalytic performance of the oxidative depolymerization of enzymatic hydrolysis lignin from cellulosic ethanol fermentation residue by different vanadium substituted Keggin-type polyoxometalates (K5[SiVW11O40], K6[SiV2W10O40], and K6H[SiV3W9O40]).
Xu W, Li X, Shi J.
europepmc +5 more sources
Oxidative Depolymerization of Lignin Using Supported Niobium Catalysts [PDF]
ChemEngineering, 2017 Valorization of lignin into aromatics has driven researchers for decades. In this research, niobium was deposited on oyster shells (OSNC) and carbon rods (CRNC) and tested as a catalyst for depolymerization of lignin.
Lalitendu Das +4 more
doaj +2 more sources
Advances in Integrated Lignin Valorization Pathways for Sustainable Biorefineries [PDF]
MoleculesLignin, the most abundant renewable source of aromatic compounds, plays a pivotal role in advancing sustainable biorefineries and reducing dependence on fossil resources.
Mbuyu Germain Ntunka +1 more
doaj +2 more sources
Kinetics of Oxidative Depolymerization of κ-carrageenan by Ozone
Bulletin of Chemical Reaction Engineering & Catalysis, 2017 Depolymerization kinetics of κ-carrageenan by ozone treatment has been studied at various pHs and times. The purified κ-carrageenan with the initial molecular weight of 271 kDa was dispersed in water to form (1 % w/v) solution.
Aji Prasetyaningrum +2 more
doaj +3 more sources
Catalytic Oxidation and Depolymerization of Lignin in Aqueous Ionic Liquid [PDF]
Frontiers in Energy Research, 2017 Lignin is an integral part of the plant cell wall, which provides rigidity to plants, also contributes to the recalcitrance of the lignocellulosic biomass to biochemical and biological deconstruction.
Lalitendu Das +3 more
doaj +2 more sources
Oxidative depolymerization of polysaccharides by reactive oxygen/nitrogen species. [PDF]
Glycobiology, 2011 Reactive oxygen species (ROS) and reactive nitrogen species (RNS) are constantly produced and are tightly regulated to maintain a redox balance (or homeostasis) together with antioxidants (e.g. superoxide dismutase and glutathione) under normal physiological circumstances.
Duan J, Kasper DL.
europepmc +4 more sources
Boosting the cellulolytic oxidative and hydrolytic enzyme systems in Myceliophthora thermophila for the efficient enzymatic saccharification of lignocellulosic biomass [PDF]
Bioresources and BioprocessingThe thermophilic fungus Myceliophthora thermophila serves as a vital platform for producing cellulolytic complex enzymes. However, their efficiency still requires enhancement to meet the cost-effective demands of lignocellulosic biomass conversion ...
Rui Bai +11 more
doaj +2 more sources