Results 81 to 90 of about 6,042 (233)

Low Odor, High Yield Kraft Pulping [PDF]

, 2000
In laboratory cooks pure oxygen was profiled into the circulation line of a batch digester during two periods of the cooking cycle: The first injection occurred during the heating steps for the purpose of in-situ generation of polysulfide. This chip treatment was studied to explore stabilization against alkaline induced carbohydrate peeling and to ...
openaire   +2 more sources

A brief review of the structure and extraction methods of lignin

Sustainable 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

Effect of Residual Lignin Type and Amount on Bleaching of Kraft Pulp by Trametes versicolor [PDF]

, 1994
Ian D. Reid, Michael G. Paice
openalex   +1 more source

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

BioResources, 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, Lu Lin, Jing Liu, Xiaolin Luo, Chunsheng Pang, Pingkai Ouyang   +5 more
doaj  

Comparative study of lipophilic extractives of hardwoods and corresponding ECF bleached kraft pulps

, 2006
Carmen S. R. Freire, Paula Pinto, Ana S. Santiago, Armando J. D. Silvestre, Dmitry V. Evtuguin, Carlos Pascoal Neto   +5 more
openalex   +1 more source

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

Ciência 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, Jorge Luiz Colodette   +1 more
doaj  

The Beatability-aiding Effect of Aspergillus niger Crude Cellulase on Bleached Simao Pine Kraft Pulp and its Mechanism of Action

, 2013
Zheng‐Jian Zhang, Yunzhi Chen, HU Hui-ren, Yi-Zhou Sang   +3 more
openalex   +1 more source

The Effect of the Kraft Pulping Process, Wood Species, and pH on Lignin Recovery from Black Liquor [PDF]

, 2022
Juliana Marangon Jardim, PETER W. HART, Lucian A. Lucia, Hasan Jameel, Hou‐min Chang   +4 more
openalex   +1 more source

Role of Intrinsic and Extrinsic Xylan in Softwood Kraft Pulp Fiber Networks

, 2023
Jana B. Schaubeder, Stefan Spirk, Lukas Fliri, Eliott Orzan, Veronika Biegler, Adelheid Bakhshi, Wolfgang Bauer, Ulrich Hirn, Tiina Nypelö   +8 more
openalex   +1 more source