Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Ivo Valchev"'
Publikováno v:
Polymers, Vol 16, Iss 8, p 1059 (2024)
Lignin is the natural binder in wood and lignocellulosic plants and is regarded as the main natural and renewable source of phenolic compounds. Its incorporation in the composition of fiberboards will enhance both the environmental performance of the
Externí odkaz:
https://doaj.org/article/303790dfa4fb4cd1b8149ebdcd62612f
Publikováno v:
Molecules, Vol 28, Iss 12, p 4842 (2023)
The present study aimed at utilizing technically hydrolyzed lignin (THL), industrial biomass residue, derived in high-temperature diluted sulfuric acid hydrolysis of softwood and hardwood chips to sugars. The THL was carbonized in a horizontal tube f
Externí odkaz:
https://doaj.org/article/7a55ceac9e374645af1d56e8684d9c0f
Publikováno v:
Polymers, Vol 14, Iss 9, p 1768 (2022)
This study aimed to propose an alternative technological solution for manufacturing fiberboard panels using a modified hot-pressing regime and hydrolysis lignin as the main binder. The main novelty of the research is the optimized adhesive system com
Externí odkaz:
https://doaj.org/article/74eea6680c274a92a1c0a1a2053f0931
Publikováno v:
BioResources, Vol 7, Iss 1, Pp 412-421 (2011)
Paulownia Tomentosa was pretreated by steam explosion. The cellulase complex NS 50013 and the β-glucosidase NS 50010 of Novozymes AS were used for the enzymatic conversion of cellulose to glucose. The kinetics of enzyme conversion was studied using
Externí odkaz:
https://doaj.org/article/79f599c0366e4b6385fd0a8bdb925747
Publikováno v:
BioResources, Vol 4, Iss 1, Pp 285-291 (2009)
Lignocellulosic biomass is the most abundant organic raw material in the world. Cellulose and hemicellulose from plants and other biomass can be hydrolyzed to produce sugars. Native lignocellulosic biomass provides limited accessibility to cellulase
Externí odkaz:
https://doaj.org/article/481cfa924f554ebbb32e8e6b3d9d2ef9
The present study aimed at utilizing technically hydrolyzed lignin (THL), industrial biomass residue, derived in high-temperature diluted sulphuric acid hydrolysis of softwood and hardwood chips to sugars. The THL was carbonized in horizontal tube fu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7b462e63af83aaecc63fd332ccb5d7b
https://doi.org/10.20944/preprints202304.1262.v1
https://doi.org/10.20944/preprints202304.1262.v1
This research was aimed at studying the potential of using residual lignin from acid hydrolysis as a binder in manufacturing eco-friendly, dry-process fibreboards. For that purpose, a modification of the adhesive system and hot-pressing regime was co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9e0c730cca255d40b3ba61a263a2da0
Autor:
Sanchi Nenkova, P. Vassileva, Ivo Valchev, Dimitar Mehandjiev, Albena Detcheva, Nelly Georgieva, Tsvetelina Angelova, Temenuzhka Hr. Mehandjiev, Metallurgy, Kl. Ohridski Blvd., Sofia , Bulgaria, K. Aleksieva
Publikováno v:
Cellulose Chemistry and Technology. 53:427-433
Publikováno v:
Carbohydrate research. 488
This work presents a kinetic investigation of dilute sulfuric acid hydrolysis of bleached hardwood kraft pulp. The temperature-time dependence shows fast xylose extraction during the initial period of the process, while the glucose content increases