Results 41 to 50 of about 9,977 (226)
Improvements in pulp properties by alkali preextraction and subsequent kraft pulping with controlling H-factor and alkali charge [PDF]
BioResources, 2012 The objective of this study was to determine the processing conditions for obtaining improved pulp properties from the kraft pulping process with an alkali pre-extraction stage.
Kyujeong Sim +4 more
doaj
On the recovery of hemicellulose before kraft pulping
BioResources, 2012 To assess the feasibility of implementing hemicellulose recovery stages in kraft mills, Eucalyptus globulus wood samples were subjected to aqueous treatments with hot, compressed water (autohydrolysis processing) to achieve partial dissolution of xylan.
Carlos Vila, +4 more
openaire +2 more sources
Converting a kraft pulp mill into a multi-product biorefinery – Part 1: Energy aspects [PDF]
, 2013 Conversion from kraft pulp into dissolving pulp production is an interesting development since it allows the production of a pulp with higher market value, as well as the production of valuable by-products, for example, hemicellulose, lignin, electricity,
Axelsson, Erik +8 more
core +1 more source
Chemical Engineering Transactions, 2013 Increased energy and raw material prices along with contracting markets for kraft pulp, have highlighted the need for the pulp industry to enlarge their traditional product portfolio with new value-added products via the implementation of biorefinery ...
V. Lundberg +5 more
doaj +1 more source
Molecules, 2021 Considering the toxicity of the impurities of synthesized anthraquinone, this study clarified new catalytic compounds for kraft cooking with improved carbohydrate yield and delignification and less mutagenicity, which are important for ensuring the ...
Yulia Anita +4 more
doaj +1 more source
Detailed modeling of the kraft pulping chemistry: carbohydrate reactions [PDF]
AIChE Journal, 2020 AbstractThe article introduces a detailed model for carbohydrate chemistry in kraft pulping. This article is continuation to the modeling work carried out for hot water extraction and chemical pulp bleaching. The model includes galactoglucomannan, xylan, and cellulose acid–base equilibria, in addition to peeling, stopping, and alkaline hydrolysis ...
Fearon, Olesya +7 more
openaire +4 more sources
Journal of Bioresources and Bioproducts, 2022 Three-dimensional (3D) printing is a useful technique that allows the creation of objects with complex structures by deposition of successive layers of material. These materials are often from fossil origin.
Sandra Rodríguez-Fabià +1 more
doaj +1 more source
THE COMPARISON ON PULPING OF P.AUSTRALIS [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2006 The common reed, P.australis, covers vast region in south of Iran. Specially, there is possibility of executing harvest in Hoor-Alazim canebrake as a reed natural provenance.
Saeed Mahdavi +4 more
doaj +1 more source
Investigation the properties of radiata pine (pinus radiata) wood kraft pulp and paper [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2014 In this study, pulp and handsheets characteristics of radiata pine wood kraft pulp was evaluated. The ratiata pine wood was collected from Chamestan Noor Research Station.
Abas Fakhryan
doaj +1 more source
JAPAN TAPPI JOURNAL, 1997 Recently, one of the greatest concerns of the world wide pulp and paper industries has been organo-chloro compounds discharged from bleach plants which use chlorine based bleaching chemicals. Although there are some debates on toxicities of organo-chloro compounds, we can find a distinct tendency in developing kraft pulp bleaching technologies which ...
Magara, Kengo +2 more
openaire +2 more sources