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Relevant bibliographies by topics / Lignin-rich CNFs

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Academic literature on the topic 'Lignin-rich CNFs'

Author: Grafiati

Published: 1 April 2023

Last updated: 31 July 2025

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Journal articles on the topic "Lignin-rich CNFs"

1

Feng, Chengqi, Juan Du, Shuai Wei, Chengrong Qin, Chen Liang, and Shuangquan Yao. "Effect of p -TsOH pretreatment on separation of bagasse components and preparation of nanocellulose filaments." Royal Society Open Science 7, no. 9 (2020): 200967. http://dx.doi.org/10.1098/rsos.200967.

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The efficient separation of bagasse components was achieved by p -toluenesulfonic acid ( p -TsOH) pretreatment. The effects of p -TsOH dosage, reaction temperature and reaction time on cellulose, hemicellulose and lignin contents were studied. Eighty-five per cent of lignin was dissolved, whereas the cellulose loss was minimal (less than 8.1%). Cellulose-rich water-insoluble residual solids were obtained. The degree of polymerization of cellulose decreased slightly, but the crystallinity index (CrI) increased from 52.0% to 68.1%. It indicated that the highly efficient delignification of bagass

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2

Nge, Thi Thi, and Tatsuhiko Yamada. "Characterization of Carboxylated Cellulose Nanocrystals Isolated Through Oxalic Acid Hydrolysis from Solid Residues of Softwood-Derived Glycol Lignin Production." Molecules 30, no. 14 (2025): 2922. https://doi.org/10.3390/molecules30142922.

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The efficient use of renewable lignocellulosic biomass has attracted wide interest, as it promises to reduce the environmental impact of fossil fuel consumption. A recently developed batch-scale process, which produces glycol lignin (GL) from softwood biomass, generates a considerable amount of cellulose-rich solid residues (SRs) as a byproduct. In this study, usable cellulose was isolated from SRs in the form of carboxylated cellulose nanocrystals (O-CNCs). The properties of O-CNCs were investigated to establish a possible integrated biomass utilization system based on the GL production techn

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3

KHEAM, RITHANY, KAILONG ZHANG, THOMAS ELDER, NATHAN BRYANT, ARTHUR RAGAUSKAS, and MI LI. "Totally chlorine-free peracetic acid pulping for nanocellulose isolation from hemp and poplar." TAPPI Journal 22, no. 8 (2023): 529–40. http://dx.doi.org/10.32964/tj22.8.529.

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Nanocellulose is a promising and sustainable feedstock for developing advanced and functional materials. However, the characteristics of nanocellulose, such as crystallinity, surface energy, and aspect ratio, can vary depending on biomass source and pretreatment methods, leading to variable performance of the nanocellu-lose-based materials. In this study, cellulose nanocrystals (CNCs) were isolated from hemp and poplar using totally chlorine free (TCF) peracetic acid and sodium chlorite delignification and bleaching pretreatments to probe the influences of biomass source and treatment methods

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4

Giannakoudakis, Dimitrios A., Foteini F. Zormpa, Antigoni G. Margellou, et al. "Carbon-Based Nanocatalysts (CnCs) for Biomass Valorization and Hazardous Organics Remediation." Nanomaterials 12, no. 10 (2022): 1679. http://dx.doi.org/10.3390/nano12101679.

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The continuous increase of the demand in merchandise and fuels augments the need of modern approaches for the mass-production of renewable chemicals derived from abundant feedstocks, like biomass, as well as for the water and soil remediation pollution resulting from the anthropogenic discharge of organic compounds. Towards these directions and within the concept of circular (bio)economy, the development of efficient and sustainable catalytic processes is of paramount importance. Within this context, the design of novel catalysts play a key role, with carbon-based nanocatalysts (CnCs) represen

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5

Aisy, Laaili Azti Rohaadatul, Tetty Kemala, Lisman Suryanegara, and Henny Purwaningsih. "Isolation and Characterization of Cellulose Nanofibrils (CNF) from Dates by-Product via Citric Acid Hydrolysis." Science and Technology Indonesia 9, no. 4 (2024): 818–27. http://dx.doi.org/10.26554/sti.2024.9.4.818-827.

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Industrial residues that are not optimally utilized are removed by burning, landfilling, or dumping, which can threaten the environment and health. In fact, part of this agro-industrial waste still has content that has the potential to become raw material for value-added other industries. Dates by-product as residue of the fiber-rich fruit industry have the potential to be a source of nanocellulose. This study aims to obtain nanofibril cellulose (CNF) isolates from dates by-product via citric acid hydrolysis, and investigate the effect of acid concentration on the unknown dates by-product CNF

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6

Thielke, Michael W., Stiven Lopez Guzman, Jorge Pavel Victoria Tafoya, et al. "Full Lignin-Derived Electrospun Carbon Materials as Electrodes for Supercapacitors." Frontiers in Materials 9 (May 17, 2022). http://dx.doi.org/10.3389/fmats.2022.859872.

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In the search for more sustainable energy storage devices, biomass-derived materials have been widely researched as carbon source for electrode applications. Here we present the processing of high molecular lignin, an abundant carbon rich biopolymer and byproduct of the pulp and paper industry, into freestanding nonwoven carbon fiber (CNFs) electrodes by using electrospinning. It is worth mentioning that no petrol-derived polymers that are usually included in the electrospinning of lignin, were employed in this work, making these electrodes more sustainable than common lignin-derived carbon el

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7

Barros, Silma de Sá, Wanison André Gil Pessoa Junior, Bárbara Pereira, et al. "Extraction of cellulose nanofibrils and nanocrystals from a new cultivar of pineapple (Ananas comosus ‘Vitória’) from the Amazon region." Biofuels, Bioproducts and Biorefining, March 15, 2025. https://doi.org/10.1002/bbb.2753.

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AbstractThe expansion of the agroindustrial sector has led to a significant increase in crop residues, particularly from large‐scale pineapple production. Pineapple leaves, a major byproduct, are often burned in plantations or improperly discarded, causing environmental harm. As lignocellulosic materials, rich in cellulose, these leaves present an opportunity for value‐added applications. This study aimed to extract and characterize lignocellulosic components from pineapple leaves, including moisture content, ash, extractives, holocellulose, cellulose, alpha‐cellulose, and cellulose nanofibril

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8

Zaini, Lukmanul Hakim, Wolfgang Gindl-Altmutter, Claudia Gusenbauer, et al. "Nanofibrils from oil palm trunk: effect of delignification and fibrillation technique." Journal of Wood Science 70, no. 1 (2024). http://dx.doi.org/10.1186/s10086-024-02133-5.

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AbstractOil palm trunk (OPT) is an inexpensive, abundantly available by-product of palm oil production which is typically not put to material use. Due to its comparably high cellulose content, OPT represents a suitable raw material for the preparation of cellulose nanofibrils (CNFs). Aiming for full utilization of the raw material and minimized energy demand, non-delignified and partially delignified (alkali-pretreated) OPT was subjected to mechanical fibrillation in the present study. As compared to CNFs from fully delignified OPT, the lignin-rich microfibrils obtained by this approach genera

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9

Jonasson, Simon, Anne Bünder, Oisik Das, Totte Niittylä, and Kristiina Oksman. "Comparison of tension wood and normal wood for oxidative nanofibrillation and network characteristics." Cellulose, November 12, 2020. http://dx.doi.org/10.1007/s10570-020-03556-1.

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AbstractCellulose nanofibrils (CNFs) are top-down nanomaterials obtainable from abundant lignocelluloses. Despite recent advances in processing technologies, the effects of variations in the lignocellulose structure and composition on CNF isolation and properties are poorly understood. In this study, we compared the isolation of CNFs from tension wood (TW) and normal wood (NW) from Populus tremula (aspen). The TW has a higher cellulose content, native cellulose fibrils with a larger crystalline diameter, and less lignin than the NW, making it an interesting material for CNF isolation. The wood

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10

Meng, Qinghua, and Tie Jun Wang. "Mechanics of Strong and Tough Cellulose Nanopaper." Applied Mechanics Reviews 71, no. 4 (2019). http://dx.doi.org/10.1115/1.4044018.

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Cellulose nanopaper, which consists of a porous network of cellulose nanofibrils (CNFs), exhibits excellent mechanical properties with high strength and toughness. The physical mechanisms, including a realizable reduction of defect size in the nanopaper and facile formation/reformation of hydrogen bonds among CNFs, suggest a bottom-up material design strategy to address the conflict between strength and toughness. A thorough exploration of the rich potential of such a design strategy requires a fundamental understanding of its mechanical behavior. In this review, we supply a comprehensive pers

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Dissertations / Theses on the topic "Lignin-rich CNFs"

1

PAJER, NICOLÒ. "New insights in the enzymatic upgrade of lignin: from added value compounds to tunable nanoparticles." Doctoral thesis, Università degli Studi di Trieste, 2023. https://hdl.handle.net/11368/3041638.

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In this thesis the development of a strategy to perform the enzymatic modification of technical lignins in order to obtain both monomeric high added value compounds and high molecular weight oxidised lignins that can be used for the preparation of lignin-based nanomaterials is discussed. The enzyme used for the investigation was a transgenic laccase of bacterial origin characterised by a higher catalytic activity and a higher pH stability than the natural enzymes. After developing a protocol for the enzymatic modification of technical lignins (Kraft and Organosolv), the candidate focused on th

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