Results 21 to 30 of about 247,916 (353)

Kraft Lignin Conversion into Energy Carriers under the Action of Electromagnetic Radiation

Journal of Chemistry, 2019
In this work, it was found that the deposition of iron salts (iron acetate) on kraft lignin at extremely low concentrations of 0.1 wt.% leads to a sharp increase in the absorbing capacity of microwave radiation by kraft lignin at its power of 1 kW and ...
P. Zharova, O. V. Arapova, G. I. Konstantinov, A. V. Chistyakov, M. V. Tsodikov   +4 more
doaj   +1 more source

Study of colorimetric properties of kraft papers [PDF]

E3S Web of Conferences
This article discusses the production of kraft paper incorporating waste materials from the silk industry and secondary recycled paper (MS- 3A), along with fillers and adhesives, as a means of conserving valuable cotton cellulose.
Eshbaeva Ulbosin, Baltabaeva Barno, Zengin Gokhan, Candas Arife   +3 more
doaj   +1 more source

Evaluation and Optimization of Kraft Delignification and Single Stage Hydrogen Peroxide Bleaching for Ethiopian Sugarcane Bagasse

Journal of Natural Fibers, 2022
The current study investigated the Ethiopian sugarcane bagasse during its delignification using the Kraft pulping process and bleaching by single stage hydrogen peroxide process.
Medhanit Mamaye, Zebene Kiflie, Sisay Feleke, Abubeker Yimam   +3 more
doaj   +1 more source

Impact of drying process on kraft lignin: lignin-water interaction mechanism study by 2D NIR correlation spectroscopy

Journal of Materials Research and Technology, 2021
Kraft lignin, an industrially available by-product from the pulp and paper industry, has revealed enormous potential to be valorised into a wide range of chemicals and biomaterials in the last two decades.
Oihana Gordobil, René Herrera, Faksawat Poohphajai, Jakub Sandak, Anna Sandak   +4 more
doaj   +1 more source

Green Process for Xylooligosaccharides Production using an Eucalyptus Kraft Pulp

Journal of Polymers and the Environment, 2022
Xylooligosaccharides (XOS) are oligomers with recognized and important prebiotic properties, whose consumption is associated with several health benefits, including a positive impact on the immune system. In this work, XOS were produced through a green process of enzymatic hydrolysis performed directly on an intermediate product from a pulp and paper ...
Henriques, Patrícia I. A., Serrano, Maria de Lurdes S., de Sousa, António P. Mendes, Alves, Ana Maria F. Brites   +3 more
openaire   +2 more sources

Mechanochemical Lignin-Mediated Strecker Reaction

Molecules, 2017
A mechanochemical Strecker reaction involving a wide range of aldehydes (aromatic, heteroaromatic and aliphatic), amines, and KCN afforded a library of α-aminonitriles upon mechanical activation.
Saumya Dabral, Mathias Turberg, Andrea Wanninger, Carsten Bolm, José G. Hernández   +4 more
doaj   +1 more source

Low-Molecular-Weight Lignin Recovery with Nanofiltration in the Kraft Pulping Process

Membranes, 2022
Kraft lignin is an underutilized resource from the pulp and paper industry with the potential of being a key raw material for renewable fuels and chemicals.
Mariona Battestini Vives, Johan Thuvander, Anders Arkell, Frank Lipnizki   +3 more
doaj   +1 more source

Papermaking Properties of Carpinus betulus with kraft, Soda and Soda-Urea Pulping Processes [PDF]

Iranian Journal of Wood and Paper Industries, 2013
This research was carried out in order to comparatively investigate the hornbeam kraft, soda and soda-urea papermaking properties. The selected treatment in kraft process had an average yield of 44.43% and kappa number of 23.75.
Rasoul Darstan, Majid Zabihzadeh, Noorodin Nazarnezhad   +2 more
doaj  

The Influence of Chip Size Variation in the Pulping Process from Jabon Wood

Indonesian Journal of Chemical Research
Wood is the primary raw material in the pulp and paper industry. Due to its favorable fiber characteristics, Jabon wood (Anthocephalus cadamba Miq.) is a promising fast-growing pulp and paper production species. This study investigates the effect of nine
Fitria Cita Dirna, Irma Wahyuningtyas
doaj   +1 more source

Improving Pulping Performance as Well as Reducing Consumption and Increasing Efficiency via Microbial Consortium Pretreating Bamboo

Fermentation, 2023
The bio-refining process of bamboo is more challenging compared to wood due to its dense and stabilized complex polymer structure, as well as its abundance of degradation-resistant components. Consequently, the bio-refining of bamboo requires more energy
Chun Liu, Zhijian Li, Xiuqiong Guan, Yang Xu, Nan Huang, Kui Liu   +5 more
doaj   +1 more source