Search results: 29,541 results (approx.)

1. Integrated harvest of phenolic monomers and hydrogen through catalytic pyrolysis of biomass over nanocellulose derived biochar catalyst.

The remarkable enhancement of phenolic monomer generation and hydrogen was achieved through catalytic pyrolysis of Douglas fir over nanocellulose derived biochar catalyst for the first time. The main compositions of produced bio-oil were phenolic monomers, furans, and naphthalenes, etc., in which...

Author(s) : Wang ChenXi; Lei HanWu; Zhao YunFeng; Qian, M.; Kong Xiao; Mateo, W.; Zou RongGe; Ruan, R.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2021 Vol.320 No.Part A

2. The effects of solid lignin on the anaerobic digestion of microcrystalline cellulose and application of smoothing splines for extended data analysis of its inhibitory effects.

Lignocellulose is an abundant substrate for biogas production; however, for efficient utilization, proper pre-treatment is required to enhance the biomethane yield and hydrolysis rate significantly. Phenolic compounds from dissolved lignin, produced during alkali pre-treatment, have inhibitory...

Author(s) : Piątek, M.; Lisowski, A.; Dąbrowska, M.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2021 Vol.320 No.Part A

3. Cell wall dimensions reign supreme: cell wall composition is irrelevant for the temperature signal of latewood density/blue intensity in Scots pine.

Many microdensitometric techniques are available for deriving maximum latewood density (MXD), which is the state-of-the-art proxy parameter for local to hemispheric-scale temperature reconstructions of the last millennium. Techniques based on X-ray radiation and visible light reflection, such as...

Author(s) : Björklund, J.; Fonti, M. V.; Fonti, P.; Bulcke, J. van den; Arx, G. von

Publisher : Elsevier GmbH, Munich, Germany

Journal article : Dendrochronologia 2021 Vol.65 ref.45

4. Fabrication of lignocellulosic biomass paper containing nanofibrillated biomass.

Fibrillated cellulose has been frequently used for making nanopapers and thin films. However, limited work has been carried out in the construction of such materials using native lignocellulosic biomass. Making papers from fibrillated biomass allows complete utilization of whole plant material and...

Author(s) : Bhagia, S.; Dunlap, J. R.; Khuraishi, M. Z. A.; Lowden, R. R.; Muchero, W.; Vaidya, U. K.; Pu YunQiao; Ragauskas, A. J.

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.1 pp.209-222 ref.33

5. Preparation and characterization of polydimethylsiloxane-based paper transparentizing agent and its application in paper coating.

A new type of polydimethylsiloxane-based paper transparentizing agent was prepared via a combined method. The performance of the transparentizing agent was investigated systematically by adding and dipping, with use of the surface sizing device of a paper machine. Optimum performance was found at...

Author(s) : Ma HaoRan; Gao YuJie; Tian LongGang

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.1 pp.277-290 ref.41

6. Effect of using regenerated combined fau and mor zeolites as catalysts during the pyrolysis of kraft lignin.

The SiO2/Al2O3 mole ratio, pore size, and acid sites are the key parameters of zeolite's activity in lignin pyrolysis. In this study, the comparison of individual Y and M zeolites, the combined 'Y + M' sample after regeneration, and their effect on lignin pyrolysis were studied in five cycles...

Author(s) : Mondal AjoyKanti; Qin ChengRong

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.1 pp.417-440 ref.many

7. Improved flame retardancy and thermal stability of P- and N-containing diphenol epoxy resins from lignin oxidation degraded derivatives.

Diphenols with structures similar to bisphenol A (BPA) were designed and synthesized from three kinds of lignin oxidative depolymerized derivatives (LODD) to investigate the substitution possibility of BPA by LODD as raw material. The chemical shift and integral area of nuclear magnetic resonance...

Author(s) : Zhu LiQing; Ye JieWang; Lu WeiMiao; Zhang Yan; Jin ZhenFu

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.1 pp.529-545 ref.33

8. A new method to evaluate the hand-feel potential of furnishes for tissue paper products.

The human perception of softness is an important yet complex property of hygiene tissue paper products. Softness is a function of the combination of machine technology, chemical additives, and furnish composition. As a result, it is difficult to investigate the influence of single parameters....

Author(s) : Prinz, M.; Zollner-Croll, H.; Bauer, W.; Meltzer, F. P.

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.1 pp.684-697 ref.22

9. Effect of xylanase pretreatment on the kraft pulping of poplar.

This study aimed to determine the influence of prehydrolysis of wood chips on the kraft pulping of Populus x euramericana. Optimum cooking conditions were determined by evaluating different alkali concentrations and cooking periods. Xylanase was used to hydrolyze chips before cooking. Prehydrolysis ...

Author(s) : Akgül, M.; Gücüş, M. O.; Üner, B.; Atik, C.

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.1 pp.979-986 ref.29

10. The feasibility of utilizing existing process streams in kraft pulp mills as a source of chemicals for lignin extraction.

Lignin is a sustainable raw material with a high potential for use in the production of renewable products. While the market for lignin is slowly growing, lignin recovery via acid precipitation during the kraft pulping process requires the addition of chemicals that will impact the chemical balance ...

Author(s) : Kihlman, J.; Gustavsson Christer

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.1 pp.1009-1028 ref.50

11. Study on lignin-free lignocellulosic biomass and PSF-PEG membrane compatibility.

Lignocellulosic biomass was delignified by combining physical and chemical pretreatment techniques. Then, a polysulfone-polyethylene glycol blend, which was compatible with the lignin-free biomass (0 wt% to 3.0 wt%), was used to fabricate composite membranes. The presence of hydroxyl groups after...

Author(s) : Amusa, A. A.; Ahmad, A. L.; Adewole, J. K.

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.1 pp.1063-1075 ref.many

12. Xylan deposition and lignification in differentiating tension wood fibers in Mallotus japonicus (Euphorbiaceae) with multi-layered structure.

Xylan deposition and lignification processes were examined in tension wood fibers with gelatinous layers (G-layers) in Mallotus japonicus (Euphorbiaceae). The cell walls consisted of a multi-layered structure of S1 + S2 + G + n(L + G), where n indicates the number of repetitions (n = 0-3) and L...

Author(s) : Higaki, A.; Kadowaki, Y.; Yoshinaga, A.; Takabe, K.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.1 pp.1-12 ref.40

13. Facile preparation of all-cellulose composites from softwood, hardwood, and agricultural straw cellulose by a simple route of partial dissolution.

In this study, we report a novel, facile, and green method that was used for creating a new all-cellulose composite (ACC) based on inorganic molten salt solvent. Three representatively native fibers from softwood (Pinus kesiya), hardwood (Eucalyptus globulus), and agricultural straw (Zea mays) were ...

Author(s) : Tang XiaoNing; Liu GaoZhe; Zhang Heng; Gao Xin; Li Meng; Zhang ShuMei

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Carbohydrate Polymers 2021 Vol.256

14. Disassociated molecular orientation distributions of a composite cellulose-lignin carbon fiber precursor: a study by rotor synchronized NMR spectroscopy and X-ray scattering.

Cellulose-lignin composite carbon fibers have shown to be a potential environmentally benign alternative to the traditional polyacrylonitrile precursor. With the associated cost reduction, cellulose-lignin carbon fibers are an attractive light-weight material for, e.g. wind power and automobile...

Author(s) : Svenningsson, L.; Bengtsson, J.; Jedvert, K.; Schlemmer, W.; Theliander, H.; Evenäs, L.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Carbohydrate Polymers 2021 Vol.254 ref.many

15. Lignin containing cellulose nanofibers (LCNFS): lignin content-morphology-rheology relationships.

This study aims to investigate the relationship between lignin content, morphology, and rheology of lignin containing cellulose nanofibers (LCNFs). The morphology and rheology of LCNFs were dominated by lignin content. Lignin content had two-sides on mechanical fibrillation. At high lignin content...

Author(s) : Yuan TianZhong; Zeng JinSong; Wang Bin; Cheng Zheng; Chen KeFu

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Carbohydrate Polymers 2021 Vol.254

16. Evaluation of 'n'-butene synthesis from dimethyl ether in the production of 1,3-butadiene from lignin: a techno-economic analysis.

1,3-BD production process from lignin consisting of four unit operations such as gasification, dimethyl ether (DME) synthesis, n-butene synthesis, and isomerization/dehydrogenation, was simulated. This process could be designed as a renewable energy system that can not only produce 1,3-BD but also...

Author(s) : Hanaoka, T.; Fujimoto, S.; Kihara, H.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.163 pp.964-973 ref.54

17. Effect of integrated treatment on improving the enzymatic digestibility of poplar and the structural features of isolated hemicelluloses.

Herein, a two-step hydrothermal pretreatment combined with alkali extraction method was applied to deconstruct the poplar cell walls for enzymatic hydrolysis. Results revealed that 88.1% of hemicelluloses and 77.6% of lignin were removed during the integrated treatment performed at 180°C and a...

Author(s) : Sun ShaoChao; Sun Dan; Wang HanMin; Li HanYin; Cao XueFei; Sun ShaoNi; Yuan TongQi

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Carbohydrate Polymers 2021 Vol.252

18. Preparation and characterization of cellulose films from ficus natalensis bark cloth fibers.

In this study, cellulose films were prepared from Ficus natalensis bark cloth fibers via phase inversion technique using NaOH/urea/water as the solvent. Films were formed at a concentration of 7 wt. % and 8 wt. % of microcrystalline cellulose (MCC) as isolated from Ficus natalensis bark cloth...

Author(s) : Wang Hua; Innocent MugaanireTendo; Memon Hafeezullah; Jin XiaoKe; Zhu FeiChao

Publisher : Society of Wood Science and Technology, Madison, USA

Journal article : Wood and Fiber Science 2021 Vol.53 No.1 pp.62-68 ref.22

19. Effect of meteorological factors and aspect on the resin production of simao pine.

In order to explore the effects of meteorological factors and aspect on the resin yield of Pinus kesiya var. langbianensis, the resin production of 100 strains of P. kesiya var. langbianensis from twoaspects in the same plot of Jinggu was measured for three consecutive years. The relationship...

Author(s) : Fu YuPin; Li SiGuang; Xu LinHong; Zhang KuaiFu; Jiang YunDong

Publisher : Editorial Board of Journal of NEFU, Harbin, China

Journal article : Journal of Northeast Forestry University 2021 Vol.49 No.1 pp.29-32 ref.12

20. Dissolution reaction kinetics and mass transfer during aqueous choline chloride pre-treatment of oak wood.

Lignocellulosic biomass processing employing ionic liquids is of recent research interest for the biorefinery industry. The data on biomass dissolution kinetics in ionic liquids is important for designing scale-up pre-treatment reactor design. In this study, the reaction mechanism and kinetics of...

Author(s) : Pobitra Halder; Savankumar Patel; Sazal Kundu; Hakeem, I. G.; Marzbali, M. H.; Biplob Pramanik; Kalpit Shah

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2021 Vol.322

21. Xylooligosaccharides production by acid hydrolysis of an alkaline extraction filtrate from Eucalyptus globulus bleached kraft pulp.

Xylooligosaccharides (XOS) are emerging prebiotics with several benefits for both physical and mental health. Their production from lignocellulosic materials is a challenging process, as lignin hinders xylan availability for XOS formation. In this study, bleached kraft pulp from Eucalyptus globulus...

Author(s) : Henriques, P.; Martinho, M.; Serrano, M. de L.; Sousa, A. P. M. de; Brites Alves, A. M.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.159

22. Uniqueness of biphasic organosolv treatment of soft- and hardwood using water/1-butanol co-solvent.

Biphasic organosolv treatment for soft- and hardwood using water/1-butanol was unique based on the correlation between liquid-phase states and solubility of the co-solvents when compared with a monophasic water/ethanol system. First, Pro II process simulator showed that water/1-butanol exhibited a...

Author(s) : Kawamata, Y.; Yoshikawa, T.; Koyama, Y.; Ishimaru, H.; Ohtsuki, S.; Fumoto, E.; Sato, S.; Nakasaka, Y.; Masuda, T.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.159

23. Kinetic modeling of the continuous hydrothermal base catalyzed depolymerization of pine wood based kraft lignin in pilot scale.

In this work, the continuous hydrothermal base catalyzed depolymerization of kraft lignin to phenolic oligomers was investigated. Using response surface methodology, a model equation for the oligomer yield in dependence of the four parameters temperature (513-573 K), NaOH concentration (1.67 and...

Author(s) : Bernhardt, J. J.; Rößiger, B.; Hahn, T.; Pufky-Heinrich, D.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.159

24. Comparative studies on lignin structures in normal and tension wood of populus × euramericana cv. "74/76".

Tension wood is a type of defect of wood, however, it has some especial character and structure. In this study, cellulase lignin structures in normal and tension wood of Poplar 107 (Populus × euramericana cv. '74/76') were compared using ultraviolet (UV), Fourier transform infrared (FT-IR), Raman...

Author(s) : Guan Ying; Shu Ting; Gao Hui; Zhou Liang; Zhang LiPing

Publisher : Elsevier Ltd, Oxford, UK

Journal article : International Journal of Biological Macromolecules 2021 Vol.172 pp.178-185

25. Suppression of tar and char formation in supercritical water gasification of sewage sludge by additive addition.

This study explored the feasibility of char and tar formation inhibition during supercritical water gasification of sewage sludge (SS) by additive addition. Experiments were conducted in autoclave with 5 wt% additives at 400°C for 30 min. The non-additive gasification of SS resulted in a higher...

Author(s) : Wang ChenYu; Wu ChaoYue; Hornung, U.; Zhu Wei; Dahmen, N.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Chemosphere 2021 Vol.262 ref.46


Lignin containing cellulose nanofibers (LCNFS): lignin content-morphology-rheology relationships. This study aims to investigate the relationship between lignin content, morphology, and rheology of lignin containing cellulose nanofibers (LCNFs). The morphology and rheology of LCNFs were dominated by lignin content. Lignin content had two-sides on mechanical fibrillation. At high lignin content...

Author(s) : Yuan TianZhong; Zeng JinSong; Wang Bin; Cheng Zheng; Chen KeFu

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Carbohydrate Polymers 2021 Vol.254

16. Evaluation of 'n'-butene synthesis from dimethyl ether in the production of 1,3-butadiene from lignin: a techno-economic analysis.

1,3-BD production process from lignin consisting of four unit operations such as gasification, dimethyl ether (DME) synthesis, n-butene synthesis, and isomerization/dehydrogenation, was simulated. This process could be designed as a renewable energy system that can not only produce 1,3-BD but also...

Author(s) : Hanaoka, T.; Fujimoto, S.; Kihara, H.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.163 pp.964-973 ref.54

17. Effect of integrated treatment on improving the enzymatic digestibility of poplar and the structural features of isolated hemicelluloses.

Herein, a two-step hydrothermal pretreatment combined with alkali extraction method was applied to deconstruct the poplar cell walls for enzymatic hydrolysis. Results revealed that 88.1% of hemicelluloses and 77.6% of lignin were removed during the integrated treatment performed at 180°C and a...

Author(s) : Sun ShaoChao; Sun Dan; Wang HanMin; Li HanYin; Cao XueFei; Sun ShaoNi; Yuan TongQi

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Carbohydrate Polymers 2021 Vol.252

18. Preparation and characterization of cellulose films from ficus natalensis bark cloth fibers.

In this study, cellulose films were prepared from Ficus natalensis bark cloth fibers via phase inversion technique using NaOH/urea/water as the solvent. Films were formed at a concentration of 7 wt. % and 8 wt. % of microcrystalline cellulose (MCC) as isolated from Ficus natalensis bark cloth...

Author(s) : Wang Hua; Innocent MugaanireTendo; Memon Hafeezullah; Jin XiaoKe; Zhu FeiChao

Publisher : Society of Wood Science and Technology, Madison, USA

Journal article : Wood and Fiber Science 2021 Vol.53 No.1 pp.62-68 ref.22

19. Effect of meteorological factors and aspect on the resin production of simao pine.

In order to explore the effects of meteorological factors and aspect on the resin yield of Pinus kesiya var. langbianensis, the resin production of 100 strains of P. kesiya var. langbianensis from twoaspects in the same plot of Jinggu was measured for three consecutive years. The relationship...

Author(s) : Fu YuPin; Li SiGuang; Xu LinHong; Zhang KuaiFu; Jiang YunDong

Publisher : Editorial Board of Journal of NEFU, Harbin, China

Journal article : Journal of Northeast Forestry University 2021 Vol.49 No.1 pp.29-32 ref.12

20. Dissolution reaction kinetics and mass transfer during aqueous choline chloride pre-treatment of oak wood.

Lignocellulosic biomass processing employing ionic liquids is of recent research interest for the biorefinery industry. The data on biomass dissolution kinetics in ionic liquids is important for designing scale-up pre-treatment reactor design. In this study, the reaction mechanism and kinetics of...

Author(s) : Pobitra Halder; Savankumar Patel; Sazal Kundu; Hakeem, I. G.; Marzbali, M. H.; Biplob Pramanik; Kalpit Shah

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2021 Vol.322

21. Xylooligosaccharides production by acid hydrolysis of an alkaline extraction filtrate from Eucalyptus globulus bleached kraft pulp.

Xylooligosaccharides (XOS) are emerging prebiotics with several benefits for both physical and mental health. Their production from lignocellulosic materials is a challenging process, as lignin hinders xylan availability for XOS formation. In this study, bleached kraft pulp from Eucalyptus globulus...

Author(s) : Henriques, P.; Martinho, M.; Serrano, M. de L.; Sousa, A. P. M. de; Brites Alves, A. M.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.159

22. Uniqueness of biphasic organosolv treatment of soft- and hardwood using water/1-butanol co-solvent.

Biphasic organosolv treatment for soft- and hardwood using water/1-butanol was unique based on the correlation between liquid-phase states and solubility of the co-solvents when compared with a monophasic water/ethanol system. First, Pro II process simulator showed that water/1-butanol exhibited a...

Author(s) : Kawamata, Y.; Yoshikawa, T.; Koyama, Y.; Ishimaru, H.; Ohtsuki, S.; Fumoto, E.; Sato, S.; Nakasaka, Y.; Masuda, T.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.159

23. Kinetic modeling of the continuous hydrothermal base catalyzed depolymerization of pine wood based kraft lignin in pilot scale.

In this work, the continuous hydrothermal base catalyzed depolymerization of kraft lignin to phenolic oligomers was investigated. Using response surface methodology, a model equation for the oligomer yield in dependence of the four parameters temperature (513-573 K), NaOH concentration (1.67 and...

Author(s) : Bernhardt, J. J.; Rößiger, B.; Hahn, T.; Pufky-Heinrich, D.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.159

24. Comparative studies on lignin structures in normal and tension wood of populus × euramericana cv. "74/76".

Tension wood is a type of defect of wood, however, it has some especial character and structure. In this study, cellulase lignin structures in normal and tension wood of Poplar 107 (Populus × euramericana cv. '74/76') were compared using ultraviolet (UV), Fourier transform infrared (FT-IR), Raman...

Author(s) : Guan Ying; Shu Ting; Gao Hui; Zhou Liang; Zhang LiPing

Publisher : Elsevier Ltd, Oxford, UK

Journal article : International Journal of Biological Macromolecules 2021 Vol.172 pp.178-185

25. Suppression of tar and char formation in supercritical water gasification of sewage sludge by additive addition.

This study explored the feasibility of char and tar formation inhibition during supercritical water gasification of sewage sludge (SS) by additive addition. Experiments were conducted in autoclave with 5 wt% additives at 400°C for 30 min. The non-additive gasification of SS resulted in a higher...

Author(s) : Wang ChenYu; Wu ChaoYue; Hornung, U.; Zhu Wei; Dahmen, N.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Chemosphere 2021 Vol.262 ref.46