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Aproximadamente 149 registro(s) hasta el momento: (journal)

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Recurso libre

THE “LOVE-HATE” RELATIONSHIP PRESENT IN LIGNOCELLULOSIC MATERIALS
Hubbe, Martin A. - Lucia, Lucian A.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The three main types of chemical components in wood are cellulose, hemicellulose, and lignin. These three components have rather different physical and chemical characteristics. In some respects, the three types of materials can be described as “incompatible.” However, most of…
Fecha:	2007-10-17
Recurso:	Bioresources

Recurso libre

LACTOSE TO NATURALIZE TEXTILE DYES
Bianchini, Roberto - Catelani, Giorgio - Frino, Elena - Isaad, Jalal - Rolla, Massimo

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Many natural dyes, for example carminic acid, are soluble in water. We present a simple strategy to naturalize synthetic azadyes through their linkage with lactose to induce their water solubility. The dyeing process of textile fibres then becomes possible in…
Fecha:	2007-10-17
Recurso:	Bioresources

Recurso libre

CUTTING FORCES BY PERIPHERAL CUTTING OF LOW DENSITY WOOD SPECIES
Porankiewicz, Boleslaw - Bermudez E., Julio C. - Tanaka, Chiaki

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In this paper multifactor non-linear dependencies of cutting forces from several machining parameters for low density wood of Liriodendron tulipifera Linn., known as Yellow Poplar, and Cordia alliodora Ruiz. & Pav., known as laurel blanco wood or capa prieto, were…
Fecha:	2007-10-17
Recurso:	Bioresources

Recurso libre

ABRASIVE WEAR BEHAVIOUR OF BAMBOO (DENDROCALAMUS STRICTUS) POWDER FILLED POLYESTER COMPOSITES
Dwivedi, Umesh K. - Ghosh, Ajoy - Chand, Navin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	An experimental study was conducted to determine the abrasive wear behaviour of different weight percentage bamboo powder filled polyester composites under the multipass mode. The effect of bamboo powder concentration and sliding distance on the weight loss of composites has…
Fecha:	2007-10-17
Recurso:	Bioresources

Recurso libre

INFLUENCE OF TEMPERATURE ON CRACKING AND MECHANICAL PROPERTIES OF WOOD DURING WOOD DRYING – A REVIEW
Oltean, Laura - Teischinger, Alfred - Hansmann, Christian

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The occurrence of cracks and loss of mechanical properties are major problems in wood drying, and careful control of drying conditions is necessary in order to avoid this form of defects. Wood drying at different temperatures, especially high temperatures, has…
Fecha:	2007-10-17
Recurso:	Bioresources

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

Recurso libre

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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DECENTRALIZED THERMOPHILIC BIOHYDROGEN: A MORE EFFICIENT AND COST EFFECTIVE PROCESS
Kumar, Sudhir - Bhalla, Aditya - Shende, Rajesh V. - Sani, Rajesh K.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Nonfood lignocellulosic biomass is an ideal substrate for biohydrogen production. By avoiding pretreatment steps (acid, alkali, or enzymatic), there is potential to make the process economical. Utilization of regional untreated lignocellulosic biomass by cellulolytic and fermentative thermophiles in a consolidated…
Fecha:	2011-10-31
Recurso:	Bioresources

Recurso libre

10.

CONVERSION OF FRUCTOSE TO 5-HYDROXYMETHYLFURFURAL WITH A FUNCTIONALIZED IONIC LIQUID
Ma, Hao - Zhou, Bo - Li, Yiqun - Argyropoulos, Dimitris S.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Fructose can be efficiently converted to 5-hydroxymethylfurfural by using the functionalized ionic liquid 3-(2-chloroethyl)-1-methylimidazolium chloride as both solvent and catalyst in the presence of water. This work advances the field and is distinct from earlier efforts in the sense that…
Fecha:	2011-10-31
Recurso:	Bioresources

Recurso libre

11.

CATALYTIC CONVERSION OF FORMIC ACID TO METHANOL WITH Cu AND Al UNDER HYDROTHERMAL CONDITIONS
Yao, Hansong - Xu, Zeng - Cheng, Min - Yun, Jun - Jing, Zhenzi - Jin, Fangming

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Catalytic conversion of formic acid into methanol was investigated with Cu as a catalyst and Al as a reductant under hydrothermal conditions. It was found that formic acid can be converted into methanol by such means. The highest yield of…
Fecha:	2011-10-31
Recurso:	Bioresources

Recurso libre

12.

STEAM EXPLOSION PULPING OF OIL PALM EMPTY FRUIT BUNCH FIBER
Wang, Xiwen - Hu, Jian - Zeng, Jingshan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Steam explosion pulping was evaluated for oil palm empty fruit bunches fiber. The fiber morphology was observed by SEM and TEM. Results indicated that lignin was molten and the cell wall damaged after the steam explosion pulping and that the…
Fecha:	2011-10-31
Recurso:	Bioresources

Recurso libre

13.

THE STRUCTURE AND MECHANICAL PROPERTIES OF SPINES FROM THE CACTUS OPUNTIA FICUS-INDICA
Gindl-Altmutter, Wolfgang - Keckes, Jozef

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The mechanical properties and structure of cactus Opuntia ficus-indica spines were characterised in bending and by means of x-ray diffraction. Using spruce wood cell walls for reference, the modulus of elasticity of Opuntia cactus spines was high in absolute terms,…
Fecha:	2011-10-31
Recurso:	Bioresources

Recurso libre

14.

RECYCLING OF CHEMICAL PULP FROM WHEAT STRAW AND CORN STOVER
Tschirner, Urike W. - Barsness, James - Keeler, Tamara

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Handsheets produced from corn stalks and wheat straw soda AQ pulps were recycled in the lab. Pulping of corn stalks resulted in a low pulp yield, low bonding strength, and low recyclability. Conversely, wheat straw fiber had a better yield,…
Fecha:	2007-10-17
Recurso:	Bioresources

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15.

MILL DEMONSTRATION OF TMP PRODUCTION FROM FOREST THINNINGS: PULP QUALITY, REFINING ENERGY, AND HANDSHEET PROPERTIES
Zhu, Junyong - Scott, C.T. - Gleisner, R. - Mann, D. - Dykstra, D. P. - Quinn, G. H. - Edwards, L. L.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	High-value, large-volume utilization of forest thinning materials from U.S. National Forests is a potentially important contributor to sustainable forest health. This study demonstrated the utilization of wood chips produced from thinnings for the production of thermomechanical pulp (TMP). Both whole-log…
Fecha:	2007-10-17
Recurso:	Bioresources

Recurso libre

16.

EFFECT OF THE MODIFICATION OF LIGNOCELLULOSIC MATERIALS WITH A LIGNIN-POLYMER COMPLEX ON THEIR MULCHING PROPERTIES
Shulga, Galia - Betkers, Talrits - Shakels, Vadims - Neiberte, Brigita - Verovkins, Anris - Brovkina, Julia - Belous, Olga - Ambrazaitene, Dalia - Žukauskaite, Audrone

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The lignosulphonate/polymer complex, in which the macromolecules of both components are linked together by physico-chemical bonds, has been applied as a new effective lignin-based soil conditioner (LSC). lt has an adhesive affinity both for mineral soil particles and the organic…
Fecha:	2007-10-17
Recurso:	Bioresources

Recurso libre

17.

OBTAINING OF MICROCRYSTALLINE CELLULOSE FROM SOFTWOOD AND HARDWOOD PULP
Laka, Marianna - Chernyavskaya, Svetlana

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Conditions for obtaining microcrystalline cellulose (MCC) by the thermocatalytic method from hardwood (birch, aspen) and softwood (pine) bleached sulphate pulp have been developed. After thermocatalytic treatment, cellulose polymerization degree has decreased to the so-called levelling-off degree of polymerization (LODP), which,…
Fecha:	2007-10-17
Recurso:	Bioresources

Recurso libre

18.

THE STEREOCHEMISTRY AND CONFORMATION OF LIGNIN AS JUDGED BY X-RAY CRYSTALLOGRAPHIC INVESTIGATIONS OF LIGNIN MODEL COMPOUNDS: ARYLGLYCEROL Beta-GUAIACYL ETHERS
Langer, Vratislav - Lundquist, Knut - Parkås, Jim

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The conformation of a variety of crystalline lignin models representing different diastereomeric forms of structural elements in lignin of the arylglycerol b-guaiacyl ether type has been studied using X-ray crystallography. Based on X-ray crystallographic data sequences of units attached to…
Fecha:	2007-10-17
Recurso:	Bioresources

Recurso libre

19.

Tg AS AN INDEX OF CONVERSION IN PMDI-IMPREGNATED WOOD
Riedlinger, Darren - Sun, Nanjian - Frazier, Charles E.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	It is well established that the glass transition temperature (Tg) is a sensitive measure of cure in neat thermosets. As cure advances, network mobility declines and the Tg rises in a systematic fashion. This study sought to determine if such…
Fecha:	2007-10-17
Recurso:	Bioresources

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20.

BIO-MODIFICATION OF EUCALYPTUS CHEMITHERMO- MECHANICAL PULP WITH DIFFERENT WHITE-ROT FUNGI
Yang, Qifeng - Zhan, Hauiyu - Wang, Shuangfei - Fu, Shiyu - Li, Kecheng

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Modification of chemithermomechanical pulp (CTMP) by fungal treatment was investigated. Eucalyptus CTMP was treated with three different types of white-rot fungi, namely, Phanerochaete chrysosporium (P.c-1767), Trametes hirsute 19-6 (T.h-19-6), and Trametes hirsute19-6w (T.h-19-6w), under a stationary culture condition. Pulp total…
Fecha:	2007-10-17
Recurso:	Bioresources

Recurso libre

21.

FAST PYROLYSIS – EFFECT OF WOOD DRYING ON THE YIELD AND PROPERTIES OF BIO-OIL
Dobele, Galina - Urbanovich, Igors - Volpert, Aleksandr - Kampars, Valdis - Samulis, Eriks

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The composition and properties of the products of fast pyrolysis of hardwood, obtained in a two-chamber (drying and pyrolytic) ablation type reactor in the temperature range 450-600ºС, were investigated. It has been found that, upon the additional drying of wood…
Fecha:	2007-10-17
Recurso:	Bioresources

Recurso libre

22.

ENZYMATIC-BASED HYDROLYSIS PROCESSES FOR ETHANOL
Taherzadeh, Mohammad J. - Karimi, Keikhosro

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This article reviews developments in the technology for ethanol production from lignocellulosic materials by “enzymatic” processes. Several methods of pretreatment of lignocelluloses are discussed, where the crystalline structure of lignocelluloses is opened up, making them more accessible to the cellulase…
Fecha:	2007-10-17
Recurso:	Bioresources

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23.

WHAT HAPPENS TO CELLULOSIC FIBERS DURING PAPERMAKING AND RECYCLING? A REVIEW
Hubbe, Martin A. - Venditti, Richard A. - Rojas, Orlando J.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Both reversible and irreversible changes take place as cellulosic fibers are manufactured into paper products one or more times. This review considers both physical and chemical changes. It is proposed that by understanding these changes one can make better use…
Fecha:	2007-10-17
Recurso:	Bioresources

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24.

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

Recurso libre

25.

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

Recurso libre

26.

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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27.

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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28.

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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29.

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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30.

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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31.

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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32.

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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33.

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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34.

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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35.

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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36.

USE OF IONIC LIQUIDS TO IMPROVE THE PRODUCTION OF HYDROXYMETHYLFURFURAL FROM RENEWABLE BIOMASS
Zhu, Shengdong - Tong, Yanjie - Lv, Yezi - Wu, Yuanxin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Based on its rich chemistry and broadly available raw material sources, hydroxymethylfurfural (HMF) has become one of the most promising platform compounds for chemicals and biofuels from renewable biomass, and its production has drawn much attention in recent years. However,…
Fecha:	2011-10-31
Recurso:	Bioresources

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37.

SURFACE SIZING APPLICATION OF WATERBORNE EPOXY RESIN ON LOW BASIS WEIGHT PAPER
Li, Yuanyuan - Dai, Hongqi - Wan, Li - Zhu, Zhengjun

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Reducing basis weight could lead to huge savings of forest resources as well as energy consumption and waste treatment in the papermaking process. However, low basis weight paper generally lacks normal strength and stiffness. The lower the basis weight of…
Fecha:	2011-10-31
Recurso:	Bioresources

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38.

BIOGAS PRODUCTION BY ENCAPSULATED METHANE-PRODUCING BACTERIA
Youngsukkasem, Supansa - Rakshit, Sudip K. - Taherzadeh, Mohammad J.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Encapsulation of methane-producing bacteria was carried out with the objective of enhancing the rate of biogas production. Encapsulation with a one-step liquid-droplet-forming technique was employed for the natural membrane, resulting in spherical capsules with an average diameter and a membrane…
Fecha:	2011-10-31
Recurso:	Bioresources

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39.

LYOCELL AND COTTON FIBERS AS REINFORCEMENTS FOR A THERMOSET POLYMER
da Silva, Cristina Gomes - Benaducci, Daiane - Frollini, Elisabete

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Cellulose fibers obtained from the textile industry (lyocell) were investigated as a potential reinforcement for thermoset phenolic matrices, to improve their mechanical properties. Textile cotton fibers were also considered. The fibers were characterized in terms of their chemical composition and…
Fecha:	2011-10-31
Recurso:	Bioresources

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40.

STEPWISE ISOTHERMAL FAST PYROLYSIS (SIFP). PART II. SIFP OF PEANUT SHELLS - ANTIFUNGAL PROPERTIES OF PHENOLIC FRACTIONS
López Rivilli, Patricia - Alarcón, Rosana - Isasmendi, Guadalupe L. - Pérez, Jorge Daniel

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Pyrolysis of peanut shells was carried out using stepwise isothermal fast pyrolysis (SIFP). SIFP consists of successive isothermal fast pyrolysis reactions, where solid products obtained in the previous isothermal fast pyrolysis become the substrate of the subsequent reaction at a…
Fecha:	2011-10-31
Recurso:	Bioresources

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41.

SYNTHESIS AND CHARACTERISTICS OF GRAFT COPOLYMERS OF POLY (BUTYL ACRYLATE) AND CELLULOSE WITH ULTRASONIC PROCESSING AS A MATERIAL FOR OIL ABSORPTION
Gao, Yuan - Zhou, Yitong - Zhang, Xiaoli - Zhang, Liping - Qu, Ping

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A series of materials used for oil absorption based on cellulose fiber grafted with butyl acrylate (BuAc) have been prepared by radical polymerization under ultrasonic waves processing. Effects of ultrasonic dose for the maximum graft yield were considered. The dependency…
Fecha:	2011-10-31
Recurso:	Bioresources

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42.

INVESTIGATIONS ON THE FEASIBILITY OF ROMANIAN PINE BARK WASTES CONVERSION INTO A VALUE-ADDED SORBENT FOR CU(II) AND ZN(II) IONS
Mihailescu Amalinei, Roxana Laura - Miron, Anca - Volf, Irina - Paduraru, Carmen - Tofan, Lavinia

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The batch sorption capability of Romanian pine bark for the removal of Cu(II) and Zn(II) ions from diluted aqueous solutions was investigated as a function of initial pH, contact time, and temperature. The metal sorption sequence is Cu > Zn.…
Fecha:	2011-10-31
Recurso:	Bioresources

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43.

PERACETIC ACID PRETREATMENT OF ALFALFA STEM AND ASPEN BIOMASS
Xu, Lei - Tschirner, Ulrike W.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Alfalfa stems and ground aspen were exposed to peracetic acid (0.5 to 9% on biomass) at temperatures ranging from 40 to 100° C and reaction times from 1 to 5 hours. Glucose release as a percentage of total cellulose…
Fecha:	2011-10-31
Recurso:	Bioresources

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44.

FUEL PROPERTIES AND SUITABILITY OF EUCALYPTUS BENTHAMII AND EUCALYPTUS MACARTHURII FOR TORREFIED WOOD AND PELLETS
Pirraglia, Adrian - Gonzales, Ronalds - Saloni, Daniel - Wright, Jeff - Denig, Joseph

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Torrefaction is the process of heating a material in the absence of oxygen, a pretreatment that represents a promising option for biofuels. Two eucalyptus species harvested in South Carolina, E. benthamii and E. macarthurii, were processed in a torrefier, and…
Fecha:	2011-10-31
Recurso:	Bioresources

Recurso libre

45.

TCF BLEACHING CHARACTER OF SODA-ANTHRAQUINONE PULP FROM OIL PALM FROND
Wang, Xiwen - Hu, Jian - Liang, Yun - Zeng, Jingshan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The OQP, OQPO, and OLQP bleaching sequences have been applied to oil palm frond soda-anthraquinone pulp. Oxygen delignification resulted in a delignification of approximately half of the kappa number. In comparison between OQP and OQPO sequences, the OQPO sequence was…
Fecha:	2011-10-31
Recurso:	Bioresources

Recurso libre

46.

PROCESS OPTIMIZATION IN KRAFT PULPING, BLEACHING, AND BEATING OF LEUCAENA DIVERSIFOLIA
Feria, Manuel Javier - García, Juan Carlos - Pérez, Antonio - Gomide, Jose Lívio - Colodette, Jorge Luiz - López, Francisco

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A variety of the Leucaena genus, Leucaena diversifolia, was used for pulp and paper making by kraft and refining processes and a OD(EP)DP bleaching sequence. The same species has been suggested as an energy crop and, in fact, this species…
Fecha:	2011-10-31
Recurso:	Bioresources

Recurso libre

47.

ADSORPTION OF L-LYSINE FROM AQUEOUS SOLUTION BY SPHERICAL LIGNIN BEADS: KINETICS AND EQUILIBRIUM STUDIES
Chen, Guofen - Liu, Minghua

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The potential of spherical lignin beads as an adsorbent to take up L-lysine from aqueous solution was investigated. The kinetic data were estimated by the pseudo-first-order and pseudo-second-order models. The mechanism of adsorption was also studied using the Boyd model…
Fecha:	2011-10-31
Recurso:	Bioresources

Recurso libre

48.

FUNDAMENTAL STUDY FOR QUANTITATIVE ANALYSIS OF THE FLUORESCENT WHITENING AGENT (FWA) CONTENT OF PAPER AND PROCESS WATER
Lee, Ji Young - Youn, Hye Jung - Lee, Hak Lae

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Fluorescent whitening agents (FWAs) are the most widely used functional chemicals for the manufacture of printing and writing grades of paper. FWAs are used as internal or external additives for the surface treatment on the size press and coater. In…
Fecha:	2011-10-31
Recurso:	Bioresources

Recurso libre

49.

PRE-FLOCCULATION OF PRECIPITATED CALCIUM CARBONATE FILLER BY CATIONIC STARCH FOR HIGHLY FILLED MECHANICAL GRADE PAPER
Sang, Yizhou - McQuaid, Michael - Englezos, Peter

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Three commercial starches were evaluated in conjunction with colloidal silica and flocculant to retain precipitated calcium carbonate (PCC) filler. A unique feature of this study was the fact that the filler was pre-flocculated by a portion of starch (2kg starch/t…
Fecha:	2011-10-31
Recurso:	Bioresources

Recurso libre

50.

FRACTIONATION AND THERMAL CHARACTERIZATION OF HEMICELLULOSES FROM BAMBOO (PHYLLOSTACHYS PUBESCENS MAZEL) CULM
Peng, Hong - Hu, Zhengrong - Yu, Ziping - Zhang, Jinsheng - Liu, Yuhuan - Wan, Yiqin - Ruan, Roger

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Water-soluble hemicelluloses and eight alkali-soluble hemicelluloses were fractionated from bamboo (Phyllostachys pubescens Mazel) culm with hot distilled water, 2% NaOH, 2% KOH, 5% NaOH, and 5% KOH aqueous solution. The chemical structures, as analyzed employing FTIR spectrometry, suggested that all…
Fecha:	2011-10-31
Recurso:	Bioresources