Results 31 to 40 of about 17,533 (207)
Delignification Kinetics of Corn Stover with Aqueous Ammonia Soaking Pretreatment
BioResources, 2016 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 +1 more source
Process parameters affecting the delignification of eucalyptus kraft pulp with peroxyacetic acid [PDF]
Songklanakarin Journal of Science and Technology (SJST), 2004 Various process parameters affecting eucalyptus kraft pulp delignification with peroxyacetic acid were investigated. The results showed that pH was an important factor. The delignification rate increased with increasing pH to the value of 6.
Chandranupap, P. +2 more
doaj
International Journal of Technology, 2020 As more delignification is targeted, fiber degradation becomes a main issue in the pulping process. Sodium hydroxide (NaOH) is highly related to pulp quality in the medium consistency oxygen delignification process.
Bambang Irawan +3 more
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Menara Perkebunan, 2023 Cellulose extraction typically begins with a delignification reaction using conventional methods, namely alkaline treatment. So far, the delignification process using alkaline treatment requires quite a long time, which is over 6 hours of the cooking ...
Firda Dimawarnita +5 more
doaj +1 more source
Boosting Oxygen Delignification of Poplar Kraft Pulp by Xylanase Pretreatment
BioResources, 2015 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 +1 more source
Applied Sciences, 2022 Valorization of agri-food residues to produce bio-based platform chemicals will enhance the transition to the bio-economy era. To this end, a sustainable process has been developed for the overall valorization of grape stalks (GS) according to a circular
Manuel Salgado-Ramos +5 more
doaj +1 more source
Oxidative Delignification Chemistry [PDF]
, 2001 This book examines the fundamentals and applications of novel oxidants including oxygen and peroxide. It presents a variety of approaches including enzymes, organometallic systems, and polyoxometallates. There are a number of critical review chapters highlighting the fundamental chemistry and efforts of the research community to activate and catalyse ...
openaire +1 more source
Chemical Engineering Transactions, 2018 The limitation of the fossil-resources has led the research to focus on the production of biomass-based fuels from lignocellulosic agricultural residues, as it is the case of the bio-ethanol.
Izaskun Davila +3 more
doaj +1 more source
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.A biomass‐based transparent bamboo composite doped with europium efficiently converts UV light into photosynthetically active red light, significantly enhancing plant growth and providing a sustainable alternative to petroleum‐based agricultural films. The rational design of sustainable light‐conversion agricultural materials is critical for enhancing ...
Dandan Xu +8 more
wiley +1 more source
A Study of the Use of Borates in Semi-Chemical Pulping [PDF]
, 1997 The purpose of this project was to identify sodium metaborate as a pulping chemical in semi-chemical pulping with soda ash. The experimental design included four digester cooks with 0%, 10%, 20%, and 40% addition of.the borate compound.
Hebner, Dan
core +1 more source