[PDF] Top 20 Gestión de conocimiento en la competitividad del sector de TI. El caso de la región Tijuana – San Diego
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Liquefaction of beech wood in various supercritical alcohols
... of wood liquefac- tion with various alcohols at sub/supercritical states was investigated to achieve a high conversion rate with appro- priate reaction ...of alcohols can be produced ... See full document
22
Decomposition behavior of woody biomass in water-added supercritical methanol
... of wood during water-added supercritical methanol treatment was studied to obtain chemicals from ...from beech wood treated under various conditions ... See full document
69
Methane production from organic acids obtained by supercritical water treatment of Japanese beech
... supercritical water treatment is expected to be useful as a pretreatment for methane fer- ...of wood to improve the accessibility of microorganisms to the ...with supercritical water, on the other ... See full document
29
The influence of selected factors on energy requirements for plain milling of beech wood
... The experiments were conducted in operating conditions of the workshops and laboratories of Cyech University of Life Sciences Prague, Faculty of Forestry and Wood Sciences, Department of Wood Processing. ... See full document
116
Influence of reaction atmosphere on the liquefaction and depolymerization of wood in an ionic liquid, 1-ethyl-3-methylimidazolium chloride
... of wood in an ionic liquid, 1-ethyl-3-methylimidazolium chloride ([C2mim][Cl]), has been systematically ...The wood samples were treated with [C2mim][Cl] at 120°C under various atmospheres such as ... See full document
202
Reductions in greenhouse gas emissions by using wood to protect against soil liquefaction
... of wood begins not with planting trees but with harvesting them for log piles in existing forests, and therefore the system boundary of the life cycle includes reforestation after ...of wood is infl uenced ... See full document
136
A novel method of acetylation of wood using supercritical carbon dioxide
... tion promptly progressed with little acetic anhydride con- sumption at the same level as vapor-phase acetylation, and acetylated wood that had 75%–80% ASE could be pro- duced in 3–4 h. It is supposed that the ... See full document
246
The relation between the microscopic structure and the wood density of European beech (Fagus sylvatica L )
... juvenile wood of deciduous tree species was observed to have shorter libriform fibres which have a smaller width of the cell wall (Koltzenburg 1966; Zobel, Sprague 1998; Adamopoulos ...juvenile wood (Barcík ... See full document
145
Inhibition of Mushroom Tyrosinase by Aliphatic Alcholols
... of alcohols on mushroom tyrosinase, during the oxidation of dopamine hydrochloride, were determined from Linweaver-Burk double reciprocal ...linear alcohols, methanol and ethanol follow a ... See full document
15
Effect of pressure on organic acid production from Japanese beech treated in supercritical water
... The yield of fragmented products at 25 MPa and 380°C (Fig. 1a) was higher than that at 100 MPa and 380°C (Fig. 1b) for 60-s treatment. However, the yield of dehydrated products was very low under conditions of 25 MPa and ... See full document
103
Characterization of the lignin-derived products from wood as treated in supercritical water
... As shown in Table 2, both sugi and buna woods were effectively converted to a water-soluble portion, methanol- soluble portion, and methanol-insoluble residue by super[r] ... See full document
162
Effect of fungal degradation on physicochemical properties of exploited stumps of oriental beech over a 25-year felling period and the obtained Kraft pulp properties
... of wood extractives such as their metal and free radical scavenging roles, direct in- teraction with the enzymes produced by fungi, perturbation of membrane integrity and disruption of ionic ...above-mentioned ... See full document
143
Removal of Cadmium from Electroplating Industrial Waste Water using Natural Adsorbents
... 4.2 Indian Beech (scientific name: pongamia pinnata): It is commonly used and applied for heavy metal ions removal from water samples and aqueous solutions. In addition, adsorption process is well recognized as ... See full document
10
Antimicrobial Characteristics of Untreated Wood: Towards a Hygienic Environment
... that wood surface retains bacteria but it does not strictly mean that bacteria are then, necessarily, transferred to something which is in contact with wood ...the wood pine absorbs inoculum more ... See full document
93
From beech wood to itaconic acid: case study on biorefinery process integration
... for converting hemicellulose into fungal biomass and itaconic acid, as shown in Fig. 4d. As represented by the oxygen transfer rate (OTR) and itaconic acid concentra- tion, U. maydis is not only capable of growing and ... See full document
6
A zoom into the nanoscale texture of secondary cell walls
... and fluorescence [30]. In view of the specific chemical composition of the cell wall components it is most likely that lignin contributes more strongly to the SNOM signal than cellulose and hemicelluloses, due to its ... See full document
256
Natural durability of the culturally and historically important timber: Erythrophleum fordii wood against white-rot fungi
... the wood treated with ...the wood exposured to ...white-rotted wood also revealed a simultaneous increase in polysaccharide signal, especially for wood treated with ... See full document
24
Microscopic identification of changes in beech (Fagus sylvatica L.) and pine (Pinus sylvestris L.) cell structure after drying using high-frequency energy of the microwave band
... individual wood species were cut in their cross sections, which demanded the removal of the front side of the specimens in the order of microm- eters (10–20 μm) and their mounting to the port (a specialized ... See full document
16
Acetic acid fermentability with Clostridium thermoaceticum and Clostridium thermocellum of standard compounds found in beech wood as produced in hot-compressed water
... overall environmental friendliness. For example, molasses from sugarcane and starch from corn are readily converted to ethanol by yeast. However, it is preferable to use inedible raw materials for bioethanol production. ... See full document
37
Reaction behavior of wood in an ionic liquid, 1-ethylpyridinium bromide
... Figure 4 shows infrared spectra for the [EtPy][Br]- insoluble residues. For the residue from Japanese cedar, as shown in Fig. 4 a, The peak at 1740 cm -1 , derived from the C=O of the acetyl group in hemicellulose, also ... See full document
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