Results 41 to 50 of about 1,126,050 (203)
Extended Oxygen Delignification with the Oxy TracTM Process
JAPAN TAPPI JOURNAL, 2000 Many mills have adopted oxygen delignification systems in order to decrease chemical consumption in a bleaching plant since 1970's.Generally, the maximum delignification obtained by oxygen delignification system keeping pulp strength has been considered about 50% for softwood pulp because possible delignification by oxygen is limited to certain groups ...
Bokstrom, Monica, Kobayashi, Toru
openaire +2 more sources
Advanced Chemical Engineering, Volume 1, Issue 2, December 2026.A nickel‐substituted polyoxometalate catalyst enables efficient lignin degradation into monoaromatic compounds in a methanol–water solution. ABSTRACT The transition from fossil‐based resources to renewable feedstocks is a cornerstone of industrial decarbonization.
Dorothea Voß +4 more
wiley +1 more source
Residual acid effect on oxygen delignification
, 2016 This work has aimed to evaluate the effect of usage of residual acid from the chemical plant of chlorine dioxide production as a #owing part of oxidized white liquor (OWL).
Caraschi, José Cláudio [UNESP] +2 more
core +1 more source
Machine‐Learning‐Enabled Wood with Nanopump Functionalization for Solar Interfacial Evaporation
ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 6, November 2026.This study employed machine learning to design an iron‐cobalt‐carbon‐wood photothermal material, achieving high‐efficiency evaporation at 2.807 kg m−2 h−1 and excellent salt resistance. The integrated system increased the daily water production efficiency of solar distillation by 1.5 times, providing an innovative solution for sustainable seawater ...
Chaohai Wang +10 more
wiley +1 more source
Hydrothermal Pretreatment of Hardwood Chips Prior to Alkaline Pulping and D0(EP)D1 Bleaching
BioResources, 2014 In this study, mixed southern hardwood was pretreated via a hydrothermal process at 160 °C for 1 h. Alkaline pulping was then conducted on both the pretreated and original chips to prepare pulp with Kappa 17 and 30.
Congcong Chi +4 more
doaj +1 more source
Impact of dissolved matter in the oxygen delignification stage
TAPPI Journal, 2017 The presence of dissolved matter in the pulp suspension in an oxygen (O2) delignification stage, consisting mainly of dissolved lignin, is normally considered to negatively affect the delignification rate due to the competing reactions between the fiber bound lignin and the lignin dissolved in the filtrate.
Caroline Wilke +2 more
openaire +1 more source
ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 6, November 2026.This study investigates Spanish broom (Spartium junceum) as a renewable source for electrospun composite membranes in sustainable water purification. MCC and biochar were functionalized with eco‐friendly precursors and nanomaterials (i.e., HNT, β‐CDs) to develop hybrid PVA nanofiber composites.
Giulia Rando +7 more
wiley +1 more source
Energies, 2014 A hardwood-based biorefinery process starting with hot-water extraction (HWE) is recommended in order to remove most of the hemicelluloses/xylans before further processing. HWE may be followed by delignification in acetone/water in the presence of oxygen
Chen Gong, Biljana M. Bujanovic
doaj +1 more source
Packaging Technology and Science, Volume 39, Issue 10, Page 1231-1251, October 2026.Cellulosic microfibres were extracted from almond shells using organosolv, soda and kraft processes, and comprehensive physicochemical, surface, thermal and morphological characterisation demonstrated their strong potential as sustainable fillers for paper‐based packaging application. ABSTRACT This study develops pathways for the valorisation of almond
Lokesh Kumar +4 more
wiley +1 more source
Improved deresination during oxygen delignification
, 2003 Washing after the oxygen delignification stage in aspen kraft pulping has been shown to reduce the extractives in pulp. It was previously shown that this can be enhanced by the addition to oxy- gen delignification of a certain generic surfactant. Further
Lapointe, C. +3 more
core +1 more source