Results 161 to 170 of about 10,608,979 (207)

Enhanced Antioxidant Capacity of Miscanthus-Derived Lignins via Organosolv Process Variation and Autohydrolysis. [PDF]

Biomacromolecules
Rumpf J, Bergrath J, Williams MB, Zeppetzauer F, Kamm B, Schulze M.   +5 more
europepmc   +1 more source

Fractionation of Wood Biomass With Thiolactic Acid and Choline Chloride-Based Solvent Into White Lignin for Sustainable Cooling Applications. [PDF]

ChemSusChem
Sirviö JA, Liao M, Arjmandi D, Haverinen J, Wu R, Jonsson MP, Xu C, Ämmälä A, Räty JP.   +8 more
europepmc   +1 more source

A Review on Role of Factors Affecting Pulp Yields in Kraft/Soda Pulping Process

Journal of Environmental Science, Computer Science and Engineering & Technology, 2018
openaire   +1 more source

Modeling the beating degree of wheat straw biochemical mechanical pulp using multifactorial equations. [PDF]

PLoS One
Liu Z, Liang X, Zhang X, Li L, Yin L, Hou Z, Ma X, Xu Y, Li P, Liu K, Wang R.   +10 more
europepmc   +1 more source

Hydrodistillation-Based Essential Oil Extraction and Soda Pulping of Spent Hemp Biomass for Sustainable Fiber Production. [PDF]

Molecules
Basak M, Agwuncha SC, Bera S, Bloomquist M, Davis J, Lucia L, Pal L.   +6 more
europepmc   +1 more source

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Hindrance to nanofibrillation of undried pulp produced by the kraft cooking process

Carbohydrate Polymers, 2022
Kraft pulp is the most common and economically advantageous raw material for making cellulose nanofibers (CNFs). However, when kraft pulp is subjected to mechanical fibrillation, unfibrillated pulp always remains, even though the pulp is undried. In this study, the effect of the kraft pulping process on the fibrillation of undried pulp was studied. The
Ting-Hsuan, Ku, Fumiaki, Nakatsubo, Takashi, Kuboki, Hiroyuki, Yano, Kentaro, Abe   +4 more
openaire   +2 more sources

Kinetic Model for Kraft Pulping Process

Industrial & Engineering Chemistry Research, 2005
A new mechanism is proposed for the heterogeneous delignification reaction during the Kraft pulping process. The mechanism consists of three key kinetic steps:  (1) adsorption of hydroxide and hydrosulfide ions on lignin; (2) surface reaction on the solid surface to produce degraded lignin products; and (3) desorption of degradation products from the ...
Ling Yang, Shijie Liu
openaire   +1 more source

A review on chemical mechanisms of kraft pulping

Nordic Pulp and Paper Research Journal
Kraft pulping of wood is based on efficient depolymerization and solubilization of lignin, while cellulose is relatively undamaged. Non-cellulose cell wall polysaccharides are however in some cases heavily degraded, especially pectin and to a lesser ...
Gunnar Henriksson, Mikael E. Lindström, Ulf Germgård   +2 more
exaly   +2 more sources

Integration of a cogeneration unit into a kraft pulping process

Applied Thermal Engineering, 2010
The integration of cogeneration with other measures that impact the power production capacity in a Canadian Kraft pulping mill is studied. Those measures are removal of pressure reduction valves, adjustment of the steam pressure level, biomass boiler capacity, and reduction in process energy demand.
Behnam Mostajeran Goortani, Enrique Mateos-Espejel, Jean Paris   +2 more
openaire   +1 more source

Fate of phosphorus in the recovery cycle of the kraft pulping process

TAPPI Journal, 2020
The accumulation of nonprocess elements in the recovery cycle is a common problem for kraft pulp mills trying to reduce their water closure or to utilize biofuels in their lime kiln. Nonprocess elements such as magne-sium (Mg), manganese (Mn), silicon (Si), aluminum (Al), and phosphorus (P) enter the recovery cycle via wood, make-up chemicals, lime ...
Sadegh Mousavi, Maryam, Demartini, Nikolai   +1 more
openaire   +1 more source