A5008700262- Wood Treatment and Properties
- Polish Historical and Cultural Studies
- Language and Culture
- Lignin and Wood Chemistry
- Botany and Plant Ecology Studies
- Central European Literary Studies
- Forest ecology and management
- Geological Formations and Processes Exploration
- Biofuel production and bioconversion
- Education and Cultural Studies
- Natural Fiber Reinforced Composites
- Advanced Cellulose Research Studies
- Polish-Jewish Holocaust Memory Studies
- Bioenergy crop production and management
- Ancient and Medieval Archaeology Studies
- Cultural Heritage Materials Analysis
- Geology and Environmental Impact Studies
- Wood and Agarwood Research
- Dyeing and Modifying Textile Fibers
- Material Properties and Processing
- Historical and Cultural Studies of Poland
- Health, Work, and Social Studies in Poland
- Tree-ring climate responses
- Intellectual Property Rights and Media
- Management and Organizational Practices
Warsaw University of Life Sciences
2010-2024
Łukasiewicz Research Network - Wood Technology Institute
2023
Warsaw University of Technology
2003-2023
Institute of Wood Science and Technology
2019-2022
University of South Florida
2002
United States Department of Defense
1994
The potential of fast-growing poplar species was evaluated for bioethanol production. yields glucose and xylose from acid enzymatic hydrolysis were compared. processes performed on raw extracted wood. wood obtained by action a chloroform 96% ethanol (93:7 w/w) mixture. Additionally, to enhance the efficiency, liquid hot water (LHW) pretreatment used. turned out be good method verify biomass After biomass, high total sugars (between 626.2 808.5 mg/g or biomass), while in case very low 45.5...
Black poplar (Populus nigra L.) was subjected to thermal modification in superheated steam. The performed at 160 °C, 190 and 220 °C for 2 h. equilibrium moisture content of the black wood examined when it exposed 76% ± 2% relative humidity a temperature 20 °C. changed its moisture-exchange-related physical properties large extent. effects on individual (density, mass loss, hygroscopicity, swelling, water absorption) were diverse, intensity these increased with increasing treatment process....
Fast-growing poplar trees from plantations are the source of inexpensive wood that is intended mainly for chemical processing in pulp and paper industry. Their potential as raw material biofuel manufacturing widely discussed well. The detailed composition this therefore an important question. Five species poplars were investigated: Populus alba, P. maximowiczii, trichocarpa, nigra, tremula. Wood a consisting lignocellulose, but there also many extractives. In temperate zone climate they...
The influence of bacterial cellulose gel film pretreatment methods on the efficiency enzymatic hydrolysis was investigated. An increase in due to liquid hot water or steam explosion shown. glucose yield 88% obtained from raw, non-purified, treated at 130 °C. results confirm potential as a source for biofuel production.
PINEWOOD (PINUS SYLVESTRIS L.)Pinewood (Pinus sylvestris L.) was thermally modified at temperatures of 160ºC and 200ºC for 2, 6 10 hour periods, respectively.The severe conditions the heat treatment resulted in decreased mechanical properties (compressive strength modulus elasticity) a decrease degree cellulose polymerization.A comparison selected polymerization indicated that there relationship between them temperature duration treatment.
Method of X‐ray fluorescence (XRF) spectrometer calibration for copper analysis in wood was elaborated. Copper salt standard solutions XRF measurements liquid samples were prepared, and curve content dependence on impulse counts determined. Specimens pine ( Pinus sylvestris L.) treated with different copper‐based preservative (alkaline quarternary ammonium compound type) applying model low‐pressure preservation process. After treatment, specimens sliced into six pieces, exposed surfaces...
Black poplar (Populus nigra L.) was thermally modified in superheated steam at 160 °C, 190 and 220 °C for 2 h. The research identified correlations between the chemical composition selected mechanical properties of wood. higher treatment temperatures significantly lowered modulus rupture (MOR) Brinell hardness (BH). These were particularly apparent (190 °C) when wood experienced stronger hemicelluloses degradation, which indicated by an increase content non-structural substances. including...
The chemical composition of poplar wood in relation to the species and age trees. contents following substances: mineral substances, extractives, cellulose, lignin, holocellulose, from fastgrowing (Populus deltoides x maximowiczii Populus trichocarpa Torr A.Gray) aged 2.5, 3, 5 7 years were compared abovementioned substances nigra L. alba wood, about 30. According other publications, cellulose lignin increase parallel with tree's age. On hand, comparison content showed that its did not...
The chemical composition of poplar wood in relation to the species and age trees. contents following substances: mineral substances, extractives, cellulose, lignin, holocellulose, from fastgrowing (Populus deltoides x maximowiczii Populus trichocarpa Torr A.Gray) aged 2.5, 3, 5 7 years were compared abovementioned substances nigra L. alba wood, about 30. According other publications, cellulose lignin increase line with tree's age. On hand, comparison content studied showed that its did not...
Studies were undertaken of the influence both natural stabilizers present in wood (lignin and extractives) synthetic antioxidants on thermal ageing cellulose.Among antioxidants, butylated hydroxytoluene, propyl gallate 6-ethoxy-1,2-dihydro-2,2,4-trimethylquinoline (ethoxyquin) examined.In order to study cellulose with accelerated tests carried out under various conditions.The performed at a temperature 95ºC an air nitrogen atmosphere anhydrous conditions 65% relative humidity.To degradation...
The concentration of selected heavy metals: chromium (Cr), manganese (Mn), iron (Fe), nickel (Ni), copper (Cu) and zinc (Zn) in 5-year-old wood Populus trichocarpa before after steam explosion (SE) liquid hot water (LHW) pretreatments was studied.The the above metals fraction obtained also studied problem lignocellulosic biomass is an interesting important issue context bioethanol production technology.An X-ray fluorescence spectrometer (XRF) used to analyse metals.The change tested elements...
Laser programmed inter-level metal connections have been developed as a means to achieve high-density linking for customization in programmable gate arrays and additive redundancy restructurable integrated circuits. This work reports on the of 4 /spl mu/m/spl times/4 mu/m crossings standard two-level interconnect lines subsequent microstructural analyses aimed at understanding mechanism link formation. The links were formed by focusing laser 1 through an annular region 2. formation appears...