Results 71 to 80 of about 6,042 (233)

Kraft Pulping of Wheat Straw

open access: yes, 2017
In this paper, pulping of wheat straw with Kraft process was studied. Chemical and morphological properties of wheat straw fibers were also investigated. Chemical properties including cellulose (39.8%), hemicellulose (29.47%), lignin (20.98%), ash (6.27%) and extractives (4.1%) were determined.
openaire   +1 more source

A importância relativa da densidade da madeira e do teor de carboidratos no rendimento de polpa e na qualidade do produto

open access: yesCiência Florestal, 2008
The purpose of this study was to evaluate basic density, chemical composition and fiber dimensions of ten Eucalyptus sp wood samples and to verify the impact of this set of parameters and their combination on the Kraft pulping process yield and on ...
Alfredo Mokfienski   +3 more
doaj  

Detailed modeling of the kraft pulping chemistry: carbohydrate reactions [PDF]

open access: hybrid, 2020
Olesya Fearon   +6 more
openalex   +1 more source

Adição de antraquinona na polpação alcalina de Eucalyptus saligna

open access: yesCiência Florestal, 2000
The present work evaluated different alkaline pulping conditions for Eucalyptus saligna wood. The objective was to evaluate the influence of the anthraquinone (AQ) on the reduction of the total reduced sulfur (TRS) in the aerial emissions, by reducing ...
Lúcia Helena Jerônimo   +2 more
doaj  

DELIGNIFICATION OF SUGARCANE BAGASSE WITH ALKALI AND PERACETIC ACID AND CHARACTERIZATION OF THE PULP

open access: yesBioResources, 2010
Sugarcane bagasse was delignified with alkali and peracetic acid in a two-stage process to obtain pulps with high yield and low kappa number. The experimental results indicated that alkali pretreatment prior to peracetic acid (PAA) delignification could ...
Ting Zhang   +3 more
doaj  

APROVEITAMENTO DA CASCA DO COCO-VERDE (Cocos nucifera L.) PARA PRODUÇÃO DE POLPA CELULÓSICA

open access: yesCiência Florestal, 2016
The coconut husk is a residue from consumption of coconut water. In coastal cities this residue has already become a big problem, because it is difficult to decompose.
Mahalia Sojo Cardoso   +1 more
doaj  

Prospects for biodiesel as a byproduct of wood pulping - A review

open access: yesBioResources, 2006
Effective utilization of byproducts can affect the profitability of kraft pulping to produce cellulosic fibers from wood. This review considers opportunities to use tall oil components, obtained from kraft pulping, as a source of raw material for ...
Hubbe, M. A., Saka, H., Lee, S. Y.
doaj  

Boron Compounds-Added Kraft Pulping from Scots Pine

open access: diamond, 2023
Süleyman Kuştaş, Sezgin Koray Gülsoy
openalex   +1 more source

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