Results 11 to 20 of about 15,534 (146)

Characterisation of lignins isolated from bamboo organosolv and kraft black liquor

Maderas: Ciencia y Tecnología, 2023
Bamboo biomass was pulped using organosolv methods: Acetic acid and formic acid; hydrogen peroxide and formic acid; ethanol and water and kraft process with varying concentrations of the cooking chemicals.
Nusirat Aderinsola Sadiku, Abdulazeez Faruq Yusuph   +1 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

Tailor-made alkaliphilic and thermostable fungal laccases for industrial wood processing

Biotechnology for Biofuels and Bioproducts, 2022
Background During the kraft process to obtain cellulosic pulp from wood, most of the lignin is removed by high-temperature alkaline cooking, released in the black liquors and usually incinerated for energy. However, kraft lignins are a valuable source of
David Rodríguez-Escribano, Rocío Pliego-Magán, Felipe de Salas, Pablo Aza, Patrizia Gentili, Petri Ihalainen, Thomas Levée, Valérie Meyer, Michel Petit-Conil, Sandra Tapin-Lingua, Michael Lecourt, Susana Camarero   +11 more
doaj   +1 more source

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

FAULT TOLERANT CONTROL APPLICATION FOR CONTINUOUS KRAFT PULPING PROCESS

IFAC Proceedings Volumes, 2006
Abstract In this study, the fault tolerant Kappa number control in continuous cooking application is investigated. The Kappa number is one of the quality measures in the pulp cooking process and usually the only on-line measurement. It is a measure of the residual lignin content in the pulp.
Timo Ahvenlampi, Rami Rantanen, Manne Tervaskanto   +2 more
openaire   +1 more source

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

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

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