Results 131 to 140 of about 280,068 (258)

Evaluation of kraft cooking behaviour for six different softwoods species [PDF]

open access: yes, 2010
The main goal of this paper is to observe de differences of behaviour between six softwoods species during the kraft cooking sequence, knowing that morphological, physicochemical and hygroscopic characters are different.
Anjos, O.   +3 more
core  

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  

Pollution control: two industries [PDF]

open access: yes
Pollution ; Forest products ; Copper industry and ...
Yvonne Levy
core  

The Effect Of Chemical Treatment On The Pulp And Paper Properties Of Banana (Musa Sp.) Stem And Its Effect On Blending With Secondary Fibers [PDF]

open access: yes, 2015
Batang pisang (Musa sp.) dikaji untuk digunakan sebagai alternatif bagi menggantikan kayu untuk pengeluaran pulpa dan kertas. Pemulpaan separa kimia batang pisang melibatkan tiga pembolehubah pemulpaan (suhu: 30-90 °C, masa: 25- 75 min, kepekatan ...
Mahamud Pauzi, Farhana
core  

A brief review of the structure and extraction methods of lignin

open access: yesSustainable Chemistry for the Environment
One of the three basic components of lignocellulosic biomass (LB), lignin is the second most plenty of natural polymer on the planet after cellulose. It has the power to become the aromatic raw material of the future for industry. However, this potential
Mert Yildirim
doaj   +1 more source

PREPARATION OF XYLOSE AND KRAFT PULP FROM POPLAR BASED ON FORMIC/ACETIC ACID /WATER SYSTEM HYDROLYSIS

open access: yesBioResources, 2009
A formic/acetic acid/water system was used in the ratios of 30:60:10, 20:60:20, and 30:50:20 separately for efficient hydrolysis and bioconversion of poplar chips, under the solid/liquid ratio of 1:12(g/ml), at 105 oC for 30, 45, 60, 75, and 90 min ...
Junping Zhuang   +5 more
doaj  

EFEITO DOS SÓLIDOS DISSOLVIDOS DA MADEIRA NA BRANQUEABILIDADE E NAS PROPRIEDADES FÍSICO-MECÂNICAS E ÓPTICAS DE POLPA KRAFT BRANQUEADA DE EUCALIPTO

open access: yesCiência Florestal, 2012
Many studies have shown that the yield of kraft pulping can be improved by xylan reabsorption to the pulp during the cooking, and kraft black liquor contains significant fraction of xylan from wood, an important source of these macromolecules.
Dalton Longue Júnior   +1 more
doaj  

Development of High Quality Printing Paper Using Kenaf (Hibiscus Cannabinus) Fibers [PDF]

open access: yes, 2004
Kenaf (Hibiscus cannabinus) is an annual non-wood plant which has shown great potential as an alternative source of papermaking fiber. The purpose of this research was to investigate the suitability of Malaysian cultivated kenaf fibers in the ...
Ashori, Alireza
core  

EFEITO DA QUALIDADE DA MADEIRA NO DESEMPENHO DA POLPAÇÃO KRAFT

open access: yesCiência Florestal, 2014
The aim of this study was to evaluate the wood quality in the kraft pulping performance under two different pulping conditions at two delignification degrees based on results for the yield, brightness, viscosity, and k/ kappa corrected index.
Danila Morais de Carvalho   +2 more
doaj  

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