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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

Recurso libre

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.

HYPERBRANCHED POLYGLYCEROLS WITH BISPHENOL A CORE AS GLYCEROL-DERIVED COMPONENTS OF POLYURETHANE WOOD ADHESIVES
Maminski, Mariusz L. - Szymański, Rafał - Parzuchowski, Paweł - Antczak, Andrzej - Szymona, Karolina

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Two hyperbranched polyglycerols (HBPGs) and one oligoglycerol containing bisphenol A in the core of the molecule were synthesized from glycerol carbonate and applied as polyols in 2-component polyurethane adhesive systems. It was shown that mechanical performance of the joints made…
Fecha:	2012-02-01
Recurso:	Bioresources

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24.

SOLUBILIZING AND DETACKIFYING STICKIES WITH ß-CYCLODEXTRIN
Banerjee, Sujit - Le, Tuan - Haynes, R. Daniel - Bradbury, James E.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	ß-Cyclodextrin (ß-CD) solubilizes stickies from deinked pulp, commercial adhesive formulations, or magazine inserts, which demonstrates its potential as a washing aid. A new test to simulate coater scratches is described; it involves scraping the test paper sample across the surface…
Fecha:	2012-02-01
Recurso:	Bioresources

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25.

GROWTH OF POLYELECTROLYTE ON LIGNOCELLULOSIC FIBRES: STUDY BY ZETA POTENTIAL, FTIR, AND XPS
Awada, Houssein - Montplaisir, Daniel - Daneault, Claude

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A layer-by-layer (LbL) self-assembly technique using polyallylamine hydrochloride (PAH) and polyacrylic acid (PAA) was employed to build up polyelectrolyte multi-layers on pretreated thermomechanical pulp fibres. These pretreated fibres previously had been oxidized by means of a 4-acetamido TEMPO-mediated process in…
Fecha:	2012-02-01
Recurso:	Bioresources

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26.

TREATMENTS TO MINIMIZE EXTRACTIVES STAIN IN WESTERN RED CEDAR
Stirling, Rod - Morris, Paul I.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Under certain conditions involving uneven exposure to weather, stains related to the extractives can reduce the aesthetic appeal of western red cedar in exterior applications such as fence boards, siding, and sidewall shingles. Selected chemical treatments were evaluated for their…
Fecha:	2012-02-01
Recurso:	Bioresources

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27.

XYLO-OLIGOSACCHARIDES PRODUCTION BY AUTOHYDROLYSIS OF CORN FIBER SEPARATED FROM DDGS
Samala, Aditya - Srinivasan, Radhakrishnan - Yadav, Madhav P. - Kim, Tae-Jo - Prewitt, Lynn

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Xylo-oligosaccharides (XOS) are reported to have beneficial health properties, and they are considered to be functional food ingredients. Corn fiber separated from distillers dried grains with solubles (DDGS) could be a valuable feedstock for XOS production. The objective of this…
Fecha:	2012-05-02
Recurso:	Bioresources

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28.

ADSORPTION OF METHYLENE BLUE FROM AQUEOUS SOLUTION ON ACTIVATED CARBON PRODUCED FROM SOYBEAN OIL CAKE BY KOH ACTIVATION
Tay, Turgay - Erdem, Murat - Ceylan, Burak - Karagöz, Selhan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This study presents the adsorption behavior of the methylene blue (MB) dye onto the activated carbon produced from soybean oil cake by chemical activation with KOH at 800 °C. The adsorption isotherms, kinetic models, and thermodynamic parameters of the adsorption…
Fecha:	2012-05-02
Recurso:	Bioresources

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29.

EFFECT OF SCREW EXTRUSION PRETREATMENT ON PULPS FROM CHEMICAL PULPING
Dong, Cuihua - Pang, Zhiqiang - Xue, Jingwen - Liu, Yu - Chen, Jiachuan - Zhang, Rong

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The effect of compressive pretreatment before chemical pulping on the properties of poplar kraft and soda-AQ pulp was evaluated. Compressive pretreatment not only resulted in the dissolution of hemicellulose, but also leached extractives. Pulps made from compressive pretreated wood chips…
Fecha:	2012-05-02
Recurso:	Bioresources

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30.

SYNTHESIS AND ANTIBACTERIAL ACTIVITY OF OXIME ESTERS FROM DIHYDROCUMIC ACID
Gao, Yanqing - Song, Jie - Shang, Shibin - Wang, Dan - Li, Jian

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Dihydrocumic acid was prepared from β-pinene through oxidation and dehydration. Then, ten oxime esters from dihydrocumic acid were synthesized. Reaction conditions of the oxime esters were adjusted and their structures were characterized by IR, 1H-NMR, MS, and elemental analysis. The…
Fecha:	2012-05-02
Recurso:	Bioresources

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31.

IMPROVING THE BLEACHABILITY OF WHOLE COTTON STALK CHEMIMECHANICAL PULP WITH DEPECTINIZATION AGENTS
Yang, Huanlei - Li, Qun - Niu, Liping - Zhang, Yujia

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The effects of pretreatment agents on pectin removal and chemical compositions in cotton stalk bark were studied. The results showed that the reaction rates of the depectinization agents reacting with calcium pectinate were V (Na2C2O4)> V (Na5P3O10)> V (NaOH). The…
Fecha:	2012-05-02
Recurso:	Bioresources

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32.

ON THE RECOVERY OF HEMICELLULOSE BEFORE KRAFT PULPING
Vila, Carlos - Romero, Javier - Francisco, José Luis - Santos, Valentín - Parajó, Juan Carlos

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	To assess the feasibility of implementing hemicellulose recovery stages in kraft mills, Eucalyptus globulus wood samples were subjected to aqueous treatments with hot, compressed water (autohydrolysis processing) to achieve partial dissolution of xylan. Autohydrolyzed solids were subjected to kraft pulping…
Fecha:	2012-05-02
Recurso:	Bioresources

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33.

BIOMASS EDUCATION IN THE TWENTY-FIRST CENTURY
Lucia, Lucian A.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The importance of teaching, for the development of economies, cultures, and the enrichment of people’s lives cannot be overstated. These days biomass and bioenergy teaching has a pivotal role to play in influencing all of the aforementioned areas of life,…
Fecha:	2012-02-01
Recurso:	Bioresources

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34.

EVALUATION OF ANTITERMITIC ACTIVITY OF DIFFERENT EXTRACTS OBTAINED FROM INDONESIAN TEAKWOOD (Tectona grandis L.f)
Dungani, Rudi - Bhat, Irshad ul Haq - Khalil, H. P. S. Abdul - Naif, Alharbi - Hermawan, Dede

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The antitermitic activity of different extracts obtained from Tectona grandis L.f was investigated against Coptotermes curvignathus (Holmgren). The main objective of this work was to determine the mortality rate of termites by the teak wood extracts. Different extracts exhibited different…
Fecha:	2012-02-01
Recurso:	Bioresources

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35.

IMPROVEMENT OF TCF BLEACHING OF OLIVE TREE PRUNING RESIDUE PULP BY ADDITION OF A LACCASE AND/OR XYLANASE PRE-TREATMENT
Martín-Sampedro, Raquel - Rodríguez, Alejandro - Requejo, Ana - Eugenio, Maria Eugenia

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This study aimed at assessing the biobleachability of soda pulps obtained from olive tree pruning residue. The enzymatic (LMS) pre-treatment was applied prior to a simple totally chlorine free (TCF) bleaching sequence, consisting of an alkaline extraction and a hydrogen…
Fecha:	2012-02-01
Recurso:	Bioresources

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36.

COCONUT BAGASSE TREATED BY THIOUREA/AMONIUM SOLUTION FOR CADMIUM REMOVAL: KINETIC AND ADSORPTION EQUILIBRIUM
Neto, Vicente Oliveira Sousa - Carvalho, Tecia Vieira - Honorato, Sara Braga - Gomes, Clêrton Linhares - Barros, Francisco Claudio F. - Araújo-Silva, Marcos Antônio - Freire, Paulo de Tarso Cavalcante - Nascimento, Ronaldo Ferreira

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Coconut bagasse, an agricultural solid waste was used as biosorbent for the removal of cadmium after modification with thiourea. The adsorption of Cd2+ was studied at pH 5.5. Langmuir, Freundlich, and Temkin isotherms were used to model the adsorption equilibrium…
Fecha:	2012-02-01
Recurso:	Bioresources

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37.

PPRODUCTION OF 2ND GENERATION BIOETHANOL FROM LUCERNE – OPTIMIZATION OF HYDROTHERMAL PRETREATMENT
Thomsen, Sune Tjalfe - Jensen, Morten - Schmidt, Jens Ejbye

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Lucerne (Medicago sativa) has many qualities associated with sustainable agriculture such as nitrogen fixation and high biomass yield. Therefore, there is interest in whether lucerne is a suitable biomass substrate for bioethanol production, and if hydrothermal pretreatment (HTT) of lucerne…
Fecha:	2012-02-01
Recurso:	Bioresources

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38.

MECHANICAL PROPERTIES ANALYSIS AND RELIABILITY ASSESSMENT OF LAMINATED VENEER LUMBER (LVL) HAVING DIFFERENT PATTERNS OF ASSEMBLY
Xue, Bing - Hu, Yingcheng

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Laminated Veneer Lumber (LVL) panels made from poplar (Populus ussuriensis Kom.) and birch (Betula platyphylla Suk.) veneers were tested for mechanical properties. The effects of the assembly pattern on the modulus of elasticity (MOE) and modulus of rupture (MOR) of…
Fecha:	2012-02-01
Recurso:	Bioresources

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39.

INFLUENCE OF BUFFER SOLUTION ON TEMPO-MEDIATED OXIDATION
Xu, Mei - Dai, Hongqi - Sun, Xuan - Wang, Shumei - Wu, Weibing

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	TEMPO-mediated oxidation has been reported to effectively convert C6 primary hydroxyl groups to carboxyl groups for better water-solubility. However, the pH decreases continuously during the oxidation process, and it is therefore difficult to maintain the stability of the reaction. The…
Fecha:	2012-02-01
Recurso:	Bioresources

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40.

RENEWABLE FIBERS AND BIO-BASED MATERIALS FOR PACKAGING APPLICATIONS – A REVIEW OF RECENT DEVELOPMENTS
Johansson, Caisa - Bras, Julien - Mondragon, Inaki - Nechita, Petronela - Plackett, David - Simon, Peter - Gregor Svetec, Diana - Virtanen, Sanna - Giacinti Baschetti, Marco - Breen, Chris - Aucejo, Susana

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This review describes the state-of-the-art of material derived from the forest sector with respect to its potential for use in the packaging industry. Some innovative approaches are highlighted. The aim is to cover recent developments and key challenges for successful…
Fecha:	2012-02-01
Recurso:	Bioresources

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41.

ABSORBENT MATERIALS BASED ON KRAFT PULP: PREPARATION AND MATERIAL CHARACTERIZATION
Brodin, Fredrik Wernersson - Theliander, Hans

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Today, petroleum-based superabsorbents are widely used, but interest in renewable alternatives is on the rise. This study presents two wood-based absorbent materials suitable for various absorption applications as an alternative to petroleum-based products. Never-dried bleached kraft pulp was treated with…
Fecha:	2012-02-01
Recurso:	Bioresources

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42.

MORPHOLOGICAL CHANGES OF JACK PINE LATEWOOD AND EARLYWOOD FIBERS IN THERMOMECHANICAL PULPING
Huang, Fang - Lanouette, Robert - Law, Kwei-Nam

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The morphological changes of jack pine (Pinus banksiama) earlywood (EW) and latewood (LW) in thermomechanical pulping (TMP) were studied by light microscopy and scanning electronic microscopy. The results indicate that: under the mechanical forces in refining, the EW fibres tend…
Fecha:	2012-02-01
Recurso:	Bioresources

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43.

THE INFLUENCE OF CATIONIZED BIRCH XYLAN ON WET AND DRY STRENGTH OF FINE PAPER
Kataja-aho, Janne - Haavisto, Sanna - Asikainen, Jaakko - Hyvärinen, Sari - Vuoti, Sauli

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Cationized birch xylan was prepared and its use as a papermaking chemical was evaluated. The focus was on studying the effects of cationized birch xylan on the wet and dry strength of fine paper. The results of the laboratory experiments…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

44.

INFLUENCE OF CYCLIC SORPTION ON WOOD ULTRASTRUCTURE
Olek, Wiesław - Bonarski, Jan T.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Desorption and adsorption cycles result in dimensional changes of wood. The shrinkage and swelling of wood components are accompanied by the forming and breaking of bonds at sorption sites of water molecules. These processes may lead to some reorganization of…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

45.

SYNTHESIS AND CHARACTERIZATION OF CELLULOSE-GRAFT-POLY (L-LACTIDE) VIA RING-OPENING POLYMERIZATION
Xiao, Shu - Yuan, Tongqi - Cao, Huibo - Lin, Dai - Shen, Yue - He, Jing - Wang, Bo

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Cellulose-graft-poly (L-lactide) (cellulose-g-PLLA) was prepared under homogeneous mild conditions. Ring-opening polymerization (ROP) was carried out successfully using 4-dimethylaminopyridine (DMAP) as an organic catalyst in an ionic liquid 1-allyl-3-methylimidazolium chloride (AmimCl). The structure of the polymer was characterized by GPC, 1H…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

46.

A NOVEL FIRE RETARDANT AFFECTS FIRE PERFORMANCE AND MECHANICAL PROPERTIES OF WOOD FLOUR-HIGH DENSITY POLYETHYLENE COMPOSITES
Pan, Mingzhu - Mei, Changtong - Song, Yuxuan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Wood flour-high density polyethylene (HDPE) composites were prepared to investigate the effects of ammonium polyphosphate based fire retardant content (2, 4, 6, 8, and 10-wt%), on the flammability, mechanical, and morphological properties of the wood flour-HDPE composites in this study.…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

47.

PROPERTIES OF WOOD AND PULP FIBERS FROM LODGEPOLE PINE (PINUS CONTORTA) AS COMPARED TO SCOTS PINE (PINUS SYLVESTRIS)
Sable, Inese - Grinfelds, Uldis - Jansons, Aris - Vikele, Laura - Irbe, Ilze - Verovkins, Anrijs - Treimanis, Arnis

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In this study, the relationship between the properties of the wood and kraft pulp fibers as well as paper characteristics of 27-year-old trees, lodgepole pine (Pinus contorta) and Scots pine (Pinus sylvestris), was assessed. All trees had been grown in…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

48.

PURIFICATION OF HARDWOOD-DERIVED AUTOHYDROLYSATES
Lehto, Joni Tapani - Alén, Raimo Juhani

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Carbohydrate-containing hydrolysates (1.1 to 14.9% of wood dry matter) obtained from autohydrolysis (at 130 to 150°C for 30 to 120 minutes) of birch (Betula pendula) chips prior to pulping were purified with respect to non-carbohydrate materials, without carbohydrate losses, either…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

49.

LEVULINIC ACID PRODUCTION FROM WASTE BIOMASS
Raspolli Galletti, Anna Maria - Antonetti, Claudia - De Luise, Valentina - Licursi, Domenico - Nassi, Nicoletta

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The hydrothermal conversion of waste biomass to levulinic acid was investigated in the presence of homogeneous acid catalysts. Different cheap raw materials (poplar sawdust, paper mill sludge, tobacco chops, wheat straw, olive tree pruning) were employed as substrates. The yields…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

50.

BENZYLATION AND CHARACTERIZATION OF COLD NAOH/UREA PRE-SWELLED BAMBOO
Li, Ming-Fei - Sun, Shao-Ni - Xu, Feng - Sun, Runcang

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Ball-milled bamboo was pre-swelled with a cold aqueous solution of NaOH and urea, and then reacted directly with benzyl chloride to synthesize benzylated bamboo. The effects of the molar ratio of benzyl chloride to OH groups in the bamboo (1…
Fecha:	2012-02-01
Recurso:	Bioresources