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Pulp delignification and refining: impact on the supramolecular structure of softwood fibers
The effect on softwood fiber wall nanostructure of kraft cooking, oxygen delignification and refining was evaluated by X-ray scattering. A recently...
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Changes in the cellulose fiber wall supramolecular structure during the initial stages of chemical treatments of wood evaluated by NMR and X-ray scattering
The effect of initial stages of pul** of spruce, resembling prehydrolysis and alkaline cooking was studied using CP/MAS 13 C-NMR, X-ray scattering,...
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Discrimination between softwood and hardwood based on hemicellulose content obtained with portable nuclear magnetic resonance
Wood is a hygroscopic material that can reach an equilibrium moisture content when ambient temperature and relative humidity are constant. Moisture...
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Differences and similarities between kraft and oxygen delignification of softwood fibers: effects on chemical and physical properties
The fiber properties after oxygen delignification and kraft pul** were studied by looking into the chemical characteristics and morphology. The...
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Effect of natural weathering on water absorption and pore size distribution in thermally modified wood determined by nuclear magnetic resonance
Thermally modified wood (TMW) is widely used in outdoor applications due to its advanced properties towards weathering stresses. Although the...
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The Pulps (Fibers) Characteristics
The characteristics of the pulps, in particular their chemical and anatomical characteristics, are discussed in this chapter with special attention...
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Moisture transport dynamics in wood during drying studied by long-wave near-infrared hyperspectral imaging
The complexities of wood microstructure cause difficulties in understanding water movement characteristics during drying. Here, the water transport...
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Main Pathways of the Transformations of Lignocellulosic Material under the Action of Ozone
AbstractLignocellulose materials (LMCs) treated with ozone and different amounts of water are studied via Raman spectroscopy, thermal analysis (TA),...
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The Possibility of Using Wood Peeler Core as The Dye-Sensitized Solar Cells
The wood peeler core is a waste generated during the peeling process of the veneer. The peeler core size varies by species, spindle type, processing,...
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Features of Lignin Destruction in Wood under the Action of Ozone
AbstractSamples of pine wood ozonated with different contents of water are studied via UV diffuse reflectance spectroscopy. It is shown that...
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A conspectus review on solar drying of wood: regional and technical contrivances
Fuel quality is an important measure to assess as conventional fuel resources have been depleted at an alarming rate over recent years. For...
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Physicochemical Patterns of the Delignification of Deciduous and Coniferous Wood during Ozonation
AbstractResults are presented from a comparative study of the efficiency of ozone use for delignification of deciduous (aspen) and coniferous (pine)...
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Patterns of the Ozone Pretreatment of Lignocellulosic Biomass for Subsequent Fermentation into Sugars
AbstractGeneral patterns of ozone pretreatment for subsequent fermentation into sugars are found, based on samples of different types of plant...
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FTIR analysis of chemical changes in wood induced by steaming and longitudinal compression
Pleating is an optimal way to increase bendability of wood used in diverse industrial applications. It results in the excessive buckling of cell...
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Ozone Pretreatment and Bioconversion of Pine Wood to Monosaccharides
AbstractThe effectiveness of ozone pretreatment of pine wood for subsequent fermentation in sugars is studied. Kinetic curves for the ozone...
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Rapidly visualizing the dynamic state of free, weakly, and strongly hydrogen-bonded water with lignocellulosic material during drying by near-infrared hyperspectral imaging
Real-time monitoring of the dynamic state of water molecular structure in lignocellulosic material is challenging, but important for both theoretical...
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Destruction of Lignin during the Ozonation of Pine Wood
AbstractThe consumption of ozone by pine wood with a water content of 7 to 85% is investigated. The specific ozone consumption and degree of ozone...
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A novel approach to determining the contribution of the fiber and fines fraction to the water retention value (WRV) of chemical and mechanical pulps
The swelling behavior of pulp fibers has a significant influence on process and product properties. The water uptake of fibers is controlled by a...
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Formation of the Oxidation Products in the Ozonation of Wood with Different Moisture Contents
AbstractThe absorption of ozone by aspen wood with moisture contents of 45, 55, and 70% is studied. Time dependencies are obtained for the specific...
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Intensify Bioreaction Accessibility and Feedstock Refinery Process
Biomass is a kind of material featured by diversity, multicomponent, and multi-scale. Various flow, complex flow characteristics, and coupling...