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Recurso libre

STATE ESTIMATION IN ALCOHOLIC CONTINUOUS FERMENTATION OF ZYMOMONAS MOBILIS USING RECURSIVE BAYESIAN FILTERING: A SIMULATION APPROACH
Quintero Montoya, Olga Lucia - Amicarelli, Adriana - di Sciascio, Fernando - Scaglia, Gustavo

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This work presents a state estimator for a continuous bioprocess. To this aim, the Non Linear Filtering theory based on the recursive application of Bayes rule and Monte Carlo techniques is used. Recursive Bayesian Filters Sampling Importance Resampling (SIR) is…
Fecha:	2008-02-10
Recurso:	Bioresources

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DRILL WEAR DURING THE BORING OF PARTICLE BOARD: A MULTI-FACTOR ANALYSIS INCLUDING EFFECTS OF MINERAL CONTAMINANTS
Porankiewicz, Boleslaw - Wieloch, Grzegorz

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This paper evaluates and discusses multifactor non-linear, statistical dependencies of drill side-edges recession VBK and drill diameter recession DW on the cutting path length LC, the content of hard mineral contaminants CMC, the size of contaminant particles SMC, and the…
Fecha:	2008-02-10
Recurso:	Bioresources

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INTERACTION OF IONIC LIQUIDS WITH POLYSACCHARIDES. 5. SOLVENTS AND REACTION MEDIA FOR THE MODIFICATION OF CELLULOSE
Liebert, Tim - Heinze, Thomas

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The use of ionic liquids (ILs) in the field of cellulose chemistry opens up a broad variety of new opportunities. Besides the regeneration of the biopolymer to fibers, films, and beads, this new class of cellulose solvents is particularly useful…
Fecha:	2008-02-10
Recurso:	Bioresources

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ARE LIGNOCELLULOSIC RESOURCES TOO VALUABLE TO BURN?
Hubbe, Martin A.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Lignocellulosic matter often can be counted as a renewable resource, since it is produced by photosynthesis. But there are limits to how much biomass our society can use in a sustainable manner. People can debate whether or not it makes…
Fecha:	2008-02-10
Recurso:	Bioresources

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STRUCTURAL CHANGES OF BAMBOO CELLULOSE IN FORMIC ACID
Sun, Yong - Lin, Lu - Deng, Haibo - Li, Jiazhe - He, Beihai - Sun, Runchang - Ouyang, Pingkai

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The structure of cellulose from bamboo fiber before and after treatment in formic acid was investigated in comparison with microcrystalline-cellulose by solid state NMR, FTIR, and X-ray diffraction diagrams. Differences of molecular structures among two kinds of celluloses were validated…
Fecha:	2008-02-10
Recurso:	Bioresources

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ORANGE BAGASSE AS SUBSTRATE FOR THE PRODUCTION OF PECTINASE AND LACCASE BY BOTRYOSPHAERIA RHODINA MAMB-05 IN SUBMERGED AND SOLID STATE FERMENTATION
Giese, Ellen C - Dekker, Robert FH - Barbosa, Aneli M

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Orange bagasse comprising pulp tissues, rind, and seeds, constitutes a major industrial food waste arising from processing oranges for juice, and represents a fermentation feedstock for the production of enzymes. Botryosphaeria rhodina MAMB-05 grown on essential oils-extracted orange bagasse in…
Fecha:	2008-02-10
Recurso:	Bioresources

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EFFECTS OF POLY-ALUMINUM CHLORIDE, STARCH , ALUM AND ROSIN ON THE ROSIN SIZING, STRENGTH AND MICROSCOPIC APPEARANCE OF PAPER PREPARED FROM OLD CORRUGATED CONTAINER (OCC) PULP
Ekhtera, Mohammad Hassan - Charani, P. Rezayati - Ramezani, O. - Azadfallah, M.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The influence of rosin (0.1-0.3%), alum (0.4-0.6%), polyaluminum chloride (0.3-0.7%), and starch (0.5-1.5%) in the making of paper from old corrugated container (OCC) pulp on the freeness, breaking length, tear index, and burst index of pulp and paper sheets was…
Fecha:	2008-02-10
Recurso:	Bioresources

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PREDICTING THE STRENGTH OF SAWN WOOD BY TRACHEID LASER SCATTERING
Brännström, Mattias - Manninen, Janne - Oja, Johan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	An industrial laser light scattering scanner, designed to detect the spiral grain angle of logs by the light scattering along the grain, was used on two large samples of Norway spruce (Picea abies (var. Karst)) in various sawn dimensions (approximately…
Fecha:	2008-02-10
Recurso:	Bioresources

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Cellulosic Ethanol Production from Sugarcane Baggase without Enzymatic Saccharification
Boopathy, Raj - Dawson, Letha

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Sugarcane processing generates a large volume of bagasse. Disposal of bagasse is critical for both agricultural profitability and environmental protection. Sugarcane bagasse is a renewable resource that can be used to produce ethanol and many other value added products. In…
Fecha:	2008-02-10
Recurso:	Bioresources

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10.

CHARACTERIZATION OF EMISSIONS OF THERMALLY MODIFIED WOOD AND THEIR REDUCTION BY CHEMICAL TREATMENT
Peters, Jana - Fischer, Klaus - Fischer, Steffen

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Thermal treatment is a suitable method for improving the quality of wood types like spruce, beech or poplar, and thus to open up new fields of application that used to be limited to tropical woods or woods treated with timber…
Fecha:	2008-02-10
Recurso:	Bioresources

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11.

A COMPARISON OF DIFFERENT METHODS OF PAPER SURFACE EVALUATION
Singh, Surendra Pal

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Smoothness of paper surface is an important property of paper from its printability viewpoint. A number of techniques are available for characterizing the topographical features of paper surface. These techniques have led to the development of smoothness testers of various…
Fecha:	2008-02-10
Recurso:	Bioresources

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12.

CHARACTERIZATION AND PROPERTIES OF ION EXCHANGERS PRODUCED FROM LIGNIN PRECIPITATED AFTER PEROXYACID PULPING
Nada, Abdallah Mohamed - Kassem, Nesrine Farid - Mohamed, Samar Hanafy

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Pulping of bagasse by one-stage and three-stage peroxyacetic acid was carried out. Characterization of the precipitated lignin from the waste liquor of the pulping process was studied using infrared spec-troscopy. Comparison between the molecular structure of peroxyacid lignin and kraft…
Fecha:	2008-02-10
Recurso:	Bioresources

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13.

ASSESSMENT OF BIORESOURCES POTENTIAL OF A RURAL VILLAGE FOR SELF ENERGY GENERATION
Khambalkar, Vivek prakash - Karale, Dhiraj S. - Gadge, Sharashchandra R. - Dahatonde, Shilpa B.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The present research work assesses the bioenergy available in a rural village for self-sustainable development. The biomass consumption of the village for domestic as well as for all the activities has been collected. The study also entailed the collection of…
Fecha:	2008-02-10
Recurso:	Bioresources

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14.

CEMENT BONDED COMPOSITES – A MECHANICAL REVIEW
Frybort, Stephan - Mauritz, Raimund - Teischinger, Alfred - Müller, Ulrich

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Over the last years promising cement bonded wood composites for structural purposes have evolved. Durability, toughness, high dimen-sional stability, resistance against environmental influences such as biodegradation or weathering but also availability of the raw material as well as economic factors…
Fecha:	2008-02-10
Recurso:	Bioresources

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15.

PAPER’S APPEARANCE: A REVIEW
Hubbe, Martin A. - Pawlak, Joel J. - Koukoulas, Alexander A.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This review article highlights progress in understanding the optical properties of paper. Paper’s appearance can be defined in terms of its opacity, brightness, color, fluorescent properties, gloss, and various quantities related to its uniformity. The phenomena that give rise to…
Fecha:	2008-02-10
Recurso:	Bioresources

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16.

PHOTO-DEGRADATION OF WATER BORNE ACRYLIC COATED MODIFIED AND NON-MODIFIED WOOD DURING ARTIFICIAL LIGHT EXPOSURE
Deka, Manabendra - Petric, Marko

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A series of experiments were carried out to investigate photo-degradation of thermally modified (at 210oC and minus 0.9 bars for two hours) and non-modified spruce wood [Picea abies L (Karst)], coated with transparent and semitransparent (with 3% pigment content) acrylic…
Fecha:	2008-02-10
Recurso:	Bioresources

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17.

LIQUEFACTION OF CORN DISTILLERS DRIED GRAINS WITH SOLUBLES (DDGS) IN HOT-COMPRESSED PHENOL
Xu, Chunbao (Charles) - Su, Huasu - Cang, Daqiang

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The present work aims to liquefy corn Distillers Dried Grains with Solubles (DDGS), a by-product in corn ethanol production, to produce liquid products as a potential substitute for petroleum-derived phenol or an additive in the manufacturing of phenolic resins. Efficient…
Fecha:	2008-02-10
Recurso:	Bioresources

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18.

EFFECT OF FIBER FLOCCULATION AND FILLING DESIGN ON REFINER LOADABILITY AND REFINING CHARACTERISTICS
El-Sharkawy, khalil - Haavisto, Sanna - Koskenhely, Kari - Paulapuro, Hannu

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The loadability of a pulp refiner was studied using refiner data such as gap movement, total power, no-load power, and net refining power. Two different types of pulp and three different types of refiner filling were used in the study.…
Fecha:	2008-02-10
Recurso:	Bioresources

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19.

SYNTHESIS AND CHARACTERIZATION OF HIERARCHICALLY POROUS SILICA WITH POPLAR TISSUE AS TEMPLATE WITH ASSISTANCE OF SUPERCRITICAL CO2
Ni, Wei - Chen, Jiafu - Xu, Qun

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Hierarchically porous silica samples, ranging from mesopores to macropores, were prepared by “nanoscale casting using supercritical (SC) fluids” (NC-SCF) technology and bionics, achieving a biomineralization process in an environmentally friendly and efficient way. These wood-templated SiO2 samples, having special hierarchical…
Fecha:	2008-02-10
Recurso:	Bioresources

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20.

CLEAVAGE OF SOFTWOOD KRAFT PULP FIBRES BY HCL AND CELLULASES
Ander, Paul - Hildén, Lars - Daniel, Geoffrey

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A new pulp fibre testing procedure called the HCl method was used to compare different spruce and pine fibres and mixtures of these fibres to calculate number of fibre cleavages in dislocations and other weak points. This method was compared…
Fecha:	2008-02-10
Recurso:	Bioresources

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21.

EFFECT OF THERMAL TREATMENT ON THE CHEMICAL COMPOSITION AND MECHANICAL PROPERTIES OF BIRCH AND ASPEN
Kocaefe, Duygu - Poncsak, Sandor - Boluk, Yaman

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The high temperature treatment of wood is one of the alternatives to chemical treatment. During this process, the wood is heated to higher temperatures than those of conventional drying. The wood structure changes due to decomposition of hemicelluloses, ramification of…
Fecha:	2008-02-10
Recurso:	Bioresources

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22.

POLYMERIZATION OF DIFFERENT LIGNINS BY LACCASE
Mattinen, Maija-Liisa - Suortti, Tapani - Gosselink, Richard - Argyropoulos, Dimitris S. - Evtuguin, Dmitry - Suurnäkki, Anna - de Jong, Ed - Tamminen, Tarja

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In this study the oxidative polymerization of different lignins, i.e. Flax Soda lignin, Spruce EMAL, and Eucalyptus Dioxane lignin by Trametes hirsuta laccase was compared. Initially the structures of the different lignins were compared by Fourier transform infrared spectroscopy. The…
Fecha:	2008-02-10
Recurso:	Bioresources

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23.

DECAY RESISTANCE OF TREATED WOOD WITH FUNCTIONALISED COMMERCIAL SILICONES
Ghosh, Shyamal C. - Militz, Holger - Mai, Carsten

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Three commercial silicone emulsions with different functional groups i.e., quat-silicone micro-emulsion (
Fecha:	2008-08-01
Recurso:	Bioresources

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24.

USE OF LIGNOCELLULOSIC MATERIALS FOR A SUSTAINABLE CHEMICAL INDUSTRY
Cheng, Shuiming - Zhu, Shengdong

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Traditional chemical industry depends on non-renewable fossil resources and is now facing great challenges. Lignocellulosic materials are the most abundant renewable resources in the world, and their efficient utilization provides a practical route to maintain sustainable development of chemical industry.…
Fecha:	2008-04-30
Recurso:	Bioresources

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25.

SANDING OF FAGUS SILVATICA L. WOOD PERPENDICULARLY TO THE GRAINS
Porankiewicz, Boleslaw Kazimierz - Wieloch, Grzegorz

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In this paper the dependencies of the degree of surface burning and intensity during disc sanding perpendicular to the wood grains of Fagus silvatica L. were examined for several machining parameters. Significant impacts of sanding load, thickness, and width of…
Fecha:	2008-04-30
Recurso:	Bioresources

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26.

MECHANICAL AND CHEMICAL MODIFICATION OF WOOD MATERIALS - COMPRESSED WOOD AND OXIDIZED CHARCOAL
Patyakin, Vasily Ivanovich - Sugaipov, Uzum Uzmenovich - Birman, Alexei Romanovich - Bazarov, Sergei Michaelovich - Pilschikov, Yuri Nikolaevich - Spitsyn, Andrei Andreovich - Mettee, Howard Dawson

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Mechanical compression and electrolyte infusion of wood, pyrolysis and chemical activation of charcoals have resulted in enhanced abilities absorb lead ion and benzene from model polluted water solutions. Iodine number and methylene blue indeces also reveal enhancement of surface activity.…
Fecha:	2008-04-30
Recurso:	Bioresources

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27.

CUTTING FORCE DURING THE TURNING OF WOOD FROM BLACK LOCUST
Porankiewicz, Boleslaw Kazimierz - Dolata, Andrej - Wieloch, Grzegorz

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In this paper a dependence of the main cutting force upon several machining parameters by wood of black locust (Robinia pseudoaccacia L.) during straight turning was graphically illustrated and analyzed. Evidence for several interactions was found based on multi-factor nonlinear…
Fecha:	2008-04-30
Recurso:	Bioresources

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28.

CHEMICAL MODIFICATION OF BEECH WOOD: EFFECT ON THERMAL STABILITY
Bodirlau, Ruxanda - Teaca, Carmen Alice - Spiridon, Iuliana

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Beech sawdust was reacted with phthalic (PA) and maleic (MA) anhydrides for chemical modification. The influence of reaction time and anhydride amount was investigated. IR spectra gave evidence of wood esterification. Thermogravimetric investigation of chemically modified wood indicated a better…
Fecha:	2008-04-30
Recurso:	Bioresources

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29.

EFFECT OF XYLANASE PRETREATMENT OF WOOD CHIPS ON FIBER SEPARATION IN THE CTMP REFINING PROCESS
Lei, Xiaochun - Lin, Lu - Li, Kecheng

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The effect of xylanase treatment of eucalyptus wood chips on chip refining and fiber properties was investigated. The fiber separation region and fiber surface structure were observed with SEM, TEM, and AFM. The fiber length and fines were analyzed with…
Fecha:	2008-04-30
Recurso:	Bioresources

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30.

PY/GC/MS ANALYSES OF HISTORICAL PAPERS
Keheyan, Yeghis

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The thermal degradation of cellulose is an important process in several fields such as the paper industry, biomass combustion, and fire retardation, etc. Paper consists mostly of cellulose fibres. Although the fibre source has changed continiously from cotton or linen…
Fecha:	2008-04-30
Recurso:	Bioresources

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31.

HIGH MECHANICAL STRENGTH WOOD POLYMER COMPOSITES BY USE OF A NEW POLYURETHANE BINDER SYSTEM
Georgieva, Denitsa Stoyanova - Nenkova, Sanchi - Herzog, Michael - Behrendt, Gerhard

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A new type of binder for wood particles or fibres was developed using a recycled polyol from polyurethane or PET wastes and a polyisocyanate as raw materials. The binders developed with various ratios of hydroxyl and isocyanate groups are solid…
Fecha:	2008-04-30
Recurso:	Bioresources

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32.

MODIFICATION OF JACK PINE TMP LONG FIBERS BY ALKALINE PEROXIDE – PART 1. CHEMICAL CHARACTERISTICS OF FIBERS AND SPENT LIQUOR
Han, Ying - Law, Ken - Lanouette, Robert

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The purpose of this work was to improve the quality of jack pine TMP long fibers, particularly with respect to the strength properties, by alkaline peroxide treatment. This paper reports the chemical characteristics of the treated long fibers and the…
Fecha:	2008-04-30
Recurso:	Bioresources

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33.

High speed steel tool wear after wood milling in presence high temperature tribochemical reactions
Porankiewicz, Boleslaw Kazimierz

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	High Speed Steel (HSS) SKH51 cutting tools wearing after milling wood of four, wood species having very different High Temperature Tribochemical Reactions (HTTR), wood density and very low hard mineral contamination (HMC) were analyzed. Experiments performed show that the HTTR…
Fecha:	2008-04-30
Recurso:	Bioresources

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34.

LIGNOCELLULOSIC BIOMASS: A POTENTIAL FEEDSTOCK TO REPLACE PETROLEUM
Lucia, Lucian A.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Sustainability considerations for product and energy production in a future US economy can be met with lignocellulosic biomass. The age of petroleum as the key resource to meet the US economy requirements is rapidly dwindling, given the limited resources of…
Fecha:	2008-08-01
Recurso:	Bioresources

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35.

POTENTIAL USE OF GRAFT COPOLYMERS OF MERCERIZED FLAX AS FILLER IN POLYSTYRENE COMPOSITE MATERIALS
Kalia, Susheel - Sharma, Sanjeev - Bhardwaj, Bandna - Kaith, B. S. - Singha, A. S.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Graft copolymerization of binary vinyl monomers onto mercerized flax fiber was carried out for the enhancement of mechanical properties of polystyrene composites. Binary vinyl monomer mixture of AA+AN has been found to show maximum grafting (33.55%) onto mercerized flax. Graft…
Fecha:	2008-08-01
Recurso:	Bioresources

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36.

CHARACTERIZATION OF REFINED HEMP FIBERS USING NIR FT RAMAN MICRO SPECTROSCOPY AND ENVIRONMENTAL SCANNING ELECTRON MICROSCOPY
Kovur, Siva Kumar - Schenzel, Karla - Grimm, Eckhard - Diepenbrock, Wulf

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The research was focused on the refining of the fiber bundles of hemp. The separation of the bundles into fiber cells was caused by cell wall degrading enzymes and ultrasonic treatment. Changes of the fiber structure were followed at molecular…
Fecha:	2008-08-01
Recurso:	Bioresources

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37.

Theoretical method for prediction of the cutting edge recession during milling wood and secondary wood products
Porankiewicz, Boleslaw Kazimierz

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A theoretical method for prediction of cutting edge recession during milling wood and wood-based products, due to the presence of hard mineral contamination, High Temperature Tribochemical Reactions (HTTR), and frictional wearing, based on 3D random distribution of contaminant particles is…
Fecha:	2008-08-01
Recurso:	Bioresources

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38.

SURFACE COMPOSITION OF GRAFTED THERMOMECHANICAL PULP THROUGH XPS MEASUREMENT
Montplaisir, Daniel - Daneault, Claude - Chabot, Bruno

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The purpose of this study is to develop an analytical method to quantify the nitrogen present at the surface of paper by using X-ray photo-electronic spectroscopy (XPS). A sample of softwood thermomechanical pulp (TMP) was treated with a cationic starch…
Fecha:	2008-08-01
Recurso:	Bioresources

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39.

ADSORPTION OF CONGO RED DYE ON HAZELNUT SHELLS AND DEGRADATION WITH Phanerochaete chrysosporium
Carletto, Riccardo - Chimirri, Fabiana - Bosco, Francesca - Ferrero, Franco

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The present work concerns the experimental evaluation of hazelnut shells as a low cost natural biosorbent. Adsorption of the direct azo dye Congo Red was performed within a concentrations range of 50-5000 mg/L. Hazelnut shells were employed as organic support…
Fecha:	2008-08-01
Recurso:	Bioresources

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40.

LIGNIN MODIFICATION BY EPOXIDATION
Malutan, Teodor - Nicu, Raluca - Popa, Valentin I.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The chemical modification of lignin through hydroxymethylation and epoxidation is a way to develop new application fields and improvement of lignin performances. In this paper the influence of reaction conditions was studied using different samples of unmodified and modified lignins…
Fecha:	2008-08-01
Recurso:	Bioresources

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41.

THE EFFECT OF HARDWOOD FIBER MORPHOLOGY ON THE HYGROEXPANSIVITY OF PAPER
Pulkkinen, Iiro - Fiskari, Juha - Alopaeus, Ville

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The purpose of this investigation was to study the effect of fiber characteristics, especially fiber wall thickness, on the hygroexpansion behavior of paper due to humidity changes. Five different eucalyptus Kraft pulp samples were studied with an OPTIDIM hygroexpansivity tester.…
Fecha:	2008-11-03
Recurso:	Bioresources

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42.

WOOD MODIFICATION BY HEAT TREATMENT: A REVIEW
Esteves, Bruno - Pereira, Helena

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Wood heat treatment has increased significantly in the last few years and is still growing as an industrial process to improve some wood properties. The first studies on heat treatment investigated mainly equilibrium moisture, dimensional stability, durability and mechanical properties.…
Fecha:	2008-11-03
Recurso:	Bioresources

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43.

STUDY OF DIMENSIONAL STABILITY, DECAY RESISTANCE, AND LIGHT STABILITY OF PHENYLISOTHIOCYANATE MODIFIED RUBBERWOOD
Pandey, Krishna Kumar - Jayashree, . - Nagaveni, H. C.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Rubber wood (Hevea brasiliensis) was esterfied with phenylisothiocya-nate, and dimensional stability, decay resistance, and photo stability of the modified wood was assessed. The chemically modified wood was characterized by FTIR and CP/MAS 13C NMR spectroscopy. Unmodified and modified samples were…
Fecha:	2008-11-03
Recurso:	Bioresources

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44.

USE OF ENZYMES IN HYDROLYSIS OF MAIZE STALKS
Valchev, Ivo - Nenkova, Sanchi - Tsekova, Petya - Lasheva, Veska

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	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 enzymes due to structural features. The…
Fecha:	2008-11-03
Recurso:	Bioresources

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45.

BOOK REVIEW: “MATERIALS, CHEMICALS & ENERGY FROM FOREST BIOMASS”
Lucia, Lucian A. - Hubbe, Martin A.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Recently an excellent book on lignocellulosic-based biomass has been published. The book can be expected to profoundly impact research and development for sustainable science and engineering. For this reason we have decided to provide our readers with a review of…
Fecha:	2008-04-30
Recurso:	Bioresources

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46.

COMPARISON OF WET OXIDATION AND STEAM EXPLOSION AS PRETREATMENT METHODS FOR BIOETHANOL PRODUCTION FROM SUGARCANE BAGASSE
Martín Medina, Carlos Orestes - Marcet, Marcelo - Thomsen, Anne Belinda

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Alkaline wet oxidation and steam explosion pretreatments of sugarcane bagasse were compared with regard to biomass fractionation, formation of by-products, and enzymatic convertibility of the pretreated material. Wet oxidation led to the solubilisation of 82% of xylan and 50% of…
Fecha:	2008-04-30
Recurso:	Bioresources

Recurso libre

47.

COMPARISON BETWEEN ANALYTICAL PYROLYSIS AND NITROBENZENE OXIDATION FOR DETERMINATION OF SYRINGYL/GUAIACYL RATIO IN Eucalyptus spp. LIGNIN
Lima, Claudio Ferreira - Barbosa, Luiz Claudio A - Marcelo, Cristiana R - Silvério, Flaviano O - Colodette, Jorge L

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Pyrolysis-gas chromatography/mass spectrometry (Py-GC-MS) was applied to measure lignin syringyl/guaiacyl (S/G) ratio in E. dunni, E. grandis, E. nitens, E. urograndis and E. urophylla woods. A total of 41 compounds were identified, being 11 derived from carbohydrates and 30 from…
Fecha:	2008-04-30
Recurso:	Bioresources

Recurso libre

48.

HIERARCHICALLY POROUS Fe2O3 AND Fe2O3/SiO2 COMPOSITES PREPARED BY CYPRESS TISSUE TEMPLATE WITH ASSISTANCE OF SUPERCRITICAL CO2
Ni, Wei - Xu, Qun - Jiao, Jian-Xia - Liu, Xiaofang - Ren, Chenxing

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Hierarchically porous α-Fe2O3 and silica-based Fe2O3 composites (I & II) ranging from nanopores to micrometer-sized pores have been prepared by a nanoscale casting process using cypress wood tissue template in supercritical carbon dioxide (scCO2). These wood-templated Fe2O3 and its SiO2-based…
Fecha:	2008-04-30
Recurso:	Bioresources

Recurso libre

49.

PROCESS FOR THE PRODUCTION OF DISSOLVING PULP FROM TREMA ORIENTALIS (NALITA) BY PREHYDROLYSIS KRAFT AND SODA-ETHYLENEDIAMINE (EDA) PROCESS
Jahan, Md Sarwar - Ahsan, Labooni - Noori, A. - Quaiyyum, M. A.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This paper presents a preliminary study for the production of dissolving pulp from Trema orientalis (Nalita). Water prehydrolysis kraft and soda-ethylenediamine (EDA) pulping for the production of dissolving pulp from T. orientalis was investigated. Prehydrolysis at 150 and 170 oC…
Fecha:	2008-04-30
Recurso:	Bioresources

Recurso libre

50.

MOLYBDENUM CATALYZED ACID PEROXIDE BLEACHING OF
Rabelo, Marcos S. - Colodette, Jorge Luiz - Sacon, Vera M. - Silva, Marcelo R. - Azevedo, Marco B.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Molybdenum activated acid peroxide (PMo stage) improves pulp delignification efficiency, thus decreasing chlorine dioxide demand during light-ECF bleaching. This work aimed at optimizing the PMo stage and evaluating its industrial application in the OAZDP sequence. Optimum PMo stage conditions for…
Fecha:	2008-04-30
Recurso:	Bioresources