Results 11 to 20 of about 8,681 (223)
The Limits of Delignification in Kraft Cooking [PDF]
The perspective of the article is to explore kraft cooking at the limits of delignification, i.e. what degree of delignification is needed to obtain fibre liberation and what is the maximum degree of delignification possible in the kraft pulping stage ...
Elisabet Brännvall
doaj +5 more sources
Comparison of Oil Palm Empty Fruit Bunch Delignification at Room and Mild Temperature [PDF]
Oil palm empty fruit bunches (OPEFB) is one kind of palm oil industry solid waste. OPEFB contains high lignocellulose for about 81-89% that can be used for production of fertilizer, paper, filler, and composite.
Lidya Elizabeth +4 more
doaj +3 more sources
Delignification of Lignocellulosic Biomass and Its Effect on Subsequent Enzymatic Hydrolysis [PDF]
The effect of delignification on the enzymatic hydrolysis of biomass was investigated to determine how different delignification processes affect enzymatic hydrolysis conversion yields.
Junyeong Park +4 more
doaj +3 more sources
High Selectivity Oxygen Delignification [PDF]
Project Objective: The objectives of this project are as follows: (1) Examine the physical and chemical characteristics of a partner mill pre- and post-oxygen delignified pulp and compare them to lab generated oxygen delignified pulps; (2) Apply the chemical selectivity enhancement system to the partner pre-oxygen delignified pulps under mill ...
Arthur Ragauskas +2 more
core +6 more sources
The present investigation deals with process optimisation of delignification of rice straw towards its micro-porous structural enhancement for its utilization in polymer grafting. The individual effect of influential parameters viz.
Aparna Mukherjee +2 more
exaly +3 more sources
Delignification Kinetics of Corn Stover with Aqueous Ammonia Soaking Pretreatment [PDF]
Soaking aqueous ammonia (SAA) pretreatment of corn stover was carried out at three temperatures (30, 50, and 70 ºC) and three concentrations of ammonia solution (5, 15, and 25 wt.%). The delignification kinetic model, based on three first-order reactions,
Jinnan Gao +6 more
doaj +2 more sources
Oxygen Delignification of Acid Sulfite and Bisulfite Softwood Pulps [PDF]
This study discusses alternatives for the production of sulfite pulps cooked to high kappa numbers, and a subsequent oxygen treatment by using the same cation in the cooking and in the oxygen stages. Magnesium was used as a cation during both the cooking
Niklas Kvarnlöf, Ulf Germgård
doaj +2 more sources
Boosting Oxygen Delignification of Poplar Kraft Pulp by Xylanase Pretreatment [PDF]
Enhancement of oxygen delignification is critical to improve subsequent bleaching efficiency while being environmentally compatible. In the present study, xylanase was used to improve the delignification process of poplar kraft pulp.
Xingxiang Ji +5 more
doaj +2 more sources
Alkaline Hydrogen Peroxide Delignification of Three Lignocellulosic Biomass under Atmospheric Pressure [PDF]
The study’s goal was to investigate the delignification characteristics using alkaline hydrogen peroxide (AHP) under atmospheric pressure, intending it as a pre-treatment method for transforming low-value lignocellulosic biomass into high-performance ...
Ji Sun Mun, Sung Phil Mun
doaj +3 more sources
Delignification of Lignocellulosic Biomass [PDF]
Delignification is the process of breaking lignocellulose into lignin, cellulose, and hemicellulose. The presence of lignin in lignocellulosic materials results in the limited utilization of cellulose. This article discusses lignin and the delignification process.
Deivy Andhika Permata +3 more
openaire +2 more sources

