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Recurso libre

A SUSTAINABLE ECONOMY
Pawlak, Joel J.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	There exists a direct correlation between improvements in standard of living and the consumption of resources. To be able to maintain the standard of living of a modern developed country, society must adapt to an economy based on sustainable processes,…
Fecha:	2007-11-28
Recurso:	Bioresources

Recurso libre

CONTRIBUTION TO THE STUDY OF HYDROXYMETYLATION REACTION OF ALKALI LIGNIN
Malutan, Teodor - Nicu, Raluca - Popa, Valentin I.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The hydroxymethylation of alkali lignin with formaldehyde in alkaline solution was studied. The influence of reaction conditions of the hydroxymethylation of alkali lignin was followed by modifying the temperature, time, and the ratios of NaOH to lignin and CH2O to…
Fecha:	2007-11-28
Recurso:	Bioresources

Recurso libre

PINE WOOD MODIFICATION BY HEAT TREATMENT IN AIR
Esteves, Bruno - Domingos, Idalina - Pereira, Helena

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Maritime pine (Pinus pinaster) wood has low dimensional stability and durability. Heat treatment was made in an oven using hot air during 2 to 24 h and at 170-200 ºC. A comparison was made against steam heat treatment. The equilibrium…
Fecha:	2007-11-28
Recurso:	Bioresources

Recurso libre

HUMIC ACID-LIKE MATTER ISOLATED FROM GREEN URBAN WASTES. PART II: PERFORMANCE IN CHEMICAL AND ENVIRONMENTAL TECHNOLOGIES
Montoneri, Enzo - Savarino, Piero - Bottigliengo, Stefano - Musso, Giorgia - Boffa, Vittorio - Prevot, Alessandra Bianco - Fabbri, Debora - Pramauro, Edmondo

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Novel uses of the organic fraction of municipal solid wastes for diversified technological applications are reported. A humic acid-like substance (cHAL2) isolated from green urban wastes was tested as a chemical auxiliary for fabric cleaning and dyeing, and as a…
Fecha:	2007-11-28
Recurso:	Bioresources

Recurso libre

SYNTHESIS OF LIGNIN-BASED INORGANIC/ORGANIC HYBRID MATERIALS FAVORABLE FOR DETOXIFICATION OF ECOSYSTEM COMPONENTS
Telysheva, Galina - Dizhbite, Tatiana - Jashina, Lilija - Andersone, Anna - Volperts, Aleksander - Ponomarenko, Jevgenija - Mironova-Ulmane, Nina

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Combination of lignin matrices (including those modified with silicon oligomers or quaternary ammonium compounds) and such inorganic building blocks as copper and manganese cations (Cu2+, Mn2+) made it possible to synthesize novel hybrid organic-inorganic materials. The synthesized hybrid materials were…
Fecha:	2009-07-28
Recurso:	Bioresources

Recurso libre

ALUMINUMDODECATUNGSTOPHOSPHATE (AL0.9H0.3PW12O40) NANOTUBE AS A SOLID ACID CATALYST ONE-POT PRODUCTION OF BIODIESEL FROM WASTE COOKING OIL
Wang, Jianghua - Chen, Yang - Wang, Xiaohong - Cao, Fenghua

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Solid nanocatalyst aluminum dodecatungstophosphate (Al0.9H0.3PW12O40, abbreviated as AlPW) with nanotube structure was synthesized through a natural cellulose fiber template. The AlPW nanotubes, which are highly water-tolerant and acid-tolerant, can be described as green double acids, as they combine both Brønsted…
Fecha:	2009-07-28
Recurso:	Bioresources

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THERMAL AND DIELECTRIC PROPERTIES OF PINE WOOD IN THE TRANSVERSE DIRECTION
Şahin Kol, Hamiyet

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In this paper, the thermal conductivity and dielectric parameters for pine [Pinus sylvestris (L.)] woods were determined in transverse directions for moisture conditions from oven-dry to 22 percent at a room temperature of 22 to 24 °C. Results indicate that…
Fecha:	2009-07-28
Recurso:	Bioresources

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AN EVOLUTION FROM PRETREATMENT TO FRACTIONATION WILL ENABLE SUCCESSFUL DEVELOPMENT OF THE INTEGRATED BIOREFINERY
Bozell, Joseph J.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The current state of biorefinery development is focused almost entirely on the production of fuel ethanol. However, an ethanol-centric approach misses the crucial example set by the petrochemical industry. The ability to fractionate a raw material, rather than simply pretreating…
Fecha:	2010-04-28
Recurso:	Bioresources

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UTILIZATION OF WEEDS AND AGRIWASTE BY POPULARIZING HANDPAPERMAKING IN KERALA, INDIA
Nambisan, Padma

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Kerala in south India grows several cash crops such as banana and pineapple, the crop residues of which are sources of natural fibres that can be used in hand papermaking. Kerala, however, does not have a tradition in hand papermaking.…
Fecha:	2010-04-28
Recurso:	Bioresources

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10.

RESEARCH CONCERNING THE USE OF BEECHWOOD PREHYDROLYSATES TO GROW YEASTS
Stanciu, Constantin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This paper reports results concerning characterization and improvement of biological quality of beechwood prehydrolysate in order to adapt the Candida Scottii yeast to this nutritive medium. Some difficult aspects caused by the presence of lignin compounds in the prehydrolysate are…
Fecha:	2010-04-28
Recurso:	Bioresources

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11.

SPECIFIC RESISTANCE AND SPECIFIC INTENSITY OF BELT SANDING OF WOOD
Porankiewicz, Boleslaw - Banski, Adrian - Wieloch, Grzegorz

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This paper examines and discusses the specific belt sanding resistance K (N·cm-2) and specific belt sanding intensity SI (g·cm-2·min-1), for wood of Pinus sylvestris L., Picea abies L., Quercus robra L., Acer pseudoplatanus L., Alnus glutinosa Gaertn., and Populus Nigra…
Fecha:	2010-04-28
Recurso:	Bioresources

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12.

STORAGE OF CHEMICALLY PRETREATED WHEAT STRAW – A MEANS TO ENSURE QUALITY RAW MATERIAL FOR PULP PREPARATION
Leponiemi, Anja Paula Maria - Pahkala, Katri - Heikkilä, Terttu

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The aim of this study was to evaluate effects of chemical pretreatment and storage on non-wood pulping and on pulp quality. The processes studied were hot water treatment followed by alkaline peroxide bleaching or soda cooking. The results showed that…
Fecha:	2010-04-28
Recurso:	Bioresources

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13.

WATER RETENTION VALUE MEASUREMENTS OF CELLULOSIC MATERIALS USING A CENTRIFUGE TECHNIQUE
Cheng, Qingzheng - Wang, Jinxin - McNeel, Joseph - Jacobson, Peter

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A centrifugal method has been modified and applied to the assessment of water retention value (WRV) in cellulosic materials. Microcrystalline cellulose (MCC), small particles/fibrils isolated from MCC using high-pressure homogenizer, and pulp fibers saturated in water were centrifuged at different…
Fecha:	2010-04-28
Recurso:	Bioresources

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14.

MAIN AND NORMAL CUTTING FORCES BY MACHINING WOOD OF PINUS SYLVESTRIS
Porankiewicz, Boleslaw - Axelsson, Bengt - Anders Grönlund, Anders - Marklund, Birger

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In this work the multi-factor, non-linear dependencies between main (tangential) FC (N) and normal (radial) FN (N) cutting forces and eight machining parameters by sawing simulation of wood of Pinus sylvestris L. were evaluated. The relationships are graphically illustrated and…
Fecha:	2011-07-28
Recurso:	Bioresources

Recurso libre

15.

FIBER REINFORCED SOY-BASED POLYURETHANE SPRAY FOAM INSULATION. PART 1: CELL MORPHOLOGIES
Khazabi, Mustafa - Gu, Ruijun - Sain, Mohini

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Environmentally friendly polyurethane (PU) spray foam insulation was prepared by substituting petrochemical polyol with soy-based polyol. The effects of adding wood fiber and water on the cell morphologies were studied. Cell size increased with the presence of wood fiber, but…
Fecha:	2011-07-28
Recurso:	Bioresources

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16.

TAR ANALYSIS IN SYNGAS DERIVED FROM PELLETIZED BIOMASS IN A COMMERCIAL STRATIFIED DOWNDRAFT GASIFIER
Gautam, Gopal - Adhikari, Sushil - Thangalazhy-Gopakumar, Suchithra - Brodbeck, Christian - Bhavnani, Sushil - Taylor, Steven

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A study was conducted to quantify tar formation in a stratified downdraft gasifier using wood pellets. The effect of biomass flow rate on tar concentration was also analyzed, and more than thirty compounds in tar were quantified. Among the different…
Fecha:	2011-07-28
Recurso:	Bioresources

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17.

GLUCOSE FROM PAPER MILL SLUDGE
Banerjee, Sujit

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Enzymatic hydrolysis of sludge from a bleached tissue mill generates glucose that can be sold as a product or sent to an ethanol plant. Hydrolysis rates using enzymes from two sources are reported, and a configuration for the industrial conversion…
Fecha:	2011-07-28
Recurso:	Bioresources

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18.

COMPARATIVE PROPERTIES OF SODA PULPS FROM STALK, BAST AND CORE OF MALAYSIAN GROWN KENAF
Ibrahim, Mazlan - Wan Daud, Wan Rosli - Law, Kwei-Nam

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Soda pulping was performed using kenaf stalk, core, and bast as raw materials. It was observed that all these components could yield good paper characteristics when the resulting pulps were beaten to a freeness of 200 to 300 mL. Soda…
Fecha:	2011-07-28
Recurso:	Bioresources

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19.

PREPARATION AND SURFACE ACID-BASE PROPERTIES OF POROUS CELLULOSE
Wang, Huanfeng - Li, Bin - Shi, Baoli

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Porous cellulose beads were prepared by solubilizing cellulose in sodium hydroxide/urea/sulfourea aqueous solution and then solidifying liquid beads in hydrochloric acid. Scanning electron microscopy (SEM) was used to characterize the morphologies of surface, cross section, and wall structures of the…
Fecha:	2007-11-28
Recurso:	Bioresources

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20.

RADICALIZATION OF TMP FIBERS AND RELATED STRUCTURAL CHANGES
Zoia, Luca - Canevali, Carmen - Orlandi, Marco - Tolppa, Eeva-Liisa - Sipila, Jussi - Morazzoni, Franca

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Oxidation of TMP fibers at 298 K with molecular oxygen, in the presence of either [Co(salen)] in methanol or [Co(sulphosalen)] in water, were compared. Electron paramagnetic resonance (EPR) spectroscopy allowed to reveal and quantify the formation of phenoxy cobalt radicals…
Fecha:	2007-11-28
Recurso:	Bioresources

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21.

Strength enhancement of fiber network by carboxymethyl cellulose during oxygen delignification of kraft pulp
Kontturi, Eero - Mitikka-Eklund, Mia - Vuorinen, Tapani

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Sorption of carboxymethyl cellulose (CMC) on the fiber surface was applied during oxygen delignification to enhance the strength properties of softwood kraft pulp. Unlike many previous efforts, the focus was not set on the improvement of selectivity of oxygen delignification,…
Fecha:	2007-11-28
Recurso:	Bioresources

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22.

SYNTHESIS AND CHARACTERIZATION OF GRAFTED CELLULOSE FOR USE IN WATER AND METAL IONS SORPTION
Nada, A. M. - Alkady, Mohamed Y. - Fekry, Hesham M.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Graft copolymerization of acrylamide monomer onto cellulose, using ceric ammonium nitrate as initiator, was investigated. Water and metal ions sorption by this grafted cellulose were estimated. The conditions of grafting, e.g. grafting time, dose of initiator, ratio of monomer to…
Fecha:	2007-11-28
Recurso:	Bioresources

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23.

HYDROPHOBICALLY MODIFIED PECTATES AS NOVEL FUNCTIONAL POLYMERS IN FOOD AND NON-FOOD APPLICATIONS
Hromádková, Zdenka - Malovikova, Anna - Mozeš, Štefan - Sroková, Iva - Ebringerová, Anna

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Butyl and hexyl amides of pectate with various amidation degrees were prepared from citrus pectin by means of alkylamidation of methyl-esterified pectins, followed by the total alkaline pectin methyl esters hydrolysis. These water soluble derivatives were characterized chem-ically as well…
Fecha:	2007-11-28
Recurso:	Bioresources

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24.

CHEMICAL VALORIZATION OF AGRICULTURAL BY-PRODUCTS: ISOLATION AND CHARACTERIZATION OF XYLAN-BASED ANTIOXIDANTS FROM ALMOND SHELL BIOMASS
Ebringerová, Anna - Hromádková, Zdenka - Košťálová, Zuzana - Sasinková, Vlasta

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The isolation of non-cellulosic polysaccharides from both almond shells and their solid residue after autohydrolysis using a two-step alkaline extraction without and in combination with short ultrasonic treatment was investigated. The obtained polysaccharide preparations were characterized by yield, chemical composition…
Fecha:	2007-11-28
Recurso:	Bioresources

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25.

FUNCTIONALIZATION PATTERN OF TERT-BUTYLDIMETHYL-SILYL CELLULOSE EVALUATED BY NMR SPECTROSCOPY
Heinze, Thomas - Pfeifer, Annett - Petzold, Katrin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Tert-butyldimethylsilyl cellulose with a degree of substitution (DS) of up to 2 could be obtained by homogeneous conversion of the biopolymer with tert-butylchlorosilane in N,N-dimethyl aceteamide/LiCl in the presence of imidazole. The cellulose derivatives were characterized in detail by means…
Fecha:	2007-11-28
Recurso:	Bioresources

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26.

OPTIMIZATION STUDY OF CITRUS WASTES SACCHARIFICATION BY DILUTE ACID HYDROLYSIS
Talebnia, Farid - Pour Bafrani, Mohammad - Lundin, Magnus - Taherzadeh, Mohammad

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The effect of time, acid concentration, temperature and solid concentration on dilute-acid hydrolysis of orange peels was investigated. A central composite rotatable experimental design (CCRD) was applied to study the individual effects of these hydrolysis factors and also their interdependence…
Fecha:	2007-11-28
Recurso:	Bioresources

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27.

HUMIC ACID-LIKE MATTER ISOLATED FROM GREEN URBAN WASTES. PART I: STRUCTURE AND SURFACTANT PROPERTIES
Montoneri, Enzo - Boffa, Vittorio - Quagliotto, PierLuigi - Mendichi, Raniero - Chierotti, Michele - Roberto, Gobetto - Medana, Claudio

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A humic acid-like substance (cHAL2) isolated from urban green wastes before composting was compared to a humic acid-like substance (cHAL) isolated from a mix of urban organic humid waste fraction and green residues composted for 15 days. cHAL2 was found…
Fecha:	2007-11-28
Recurso:	Bioresources

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28.

INFLUENCE OF PECTINOLYTIC ENZYMES ON RETTING EFFECTIVENESS AND RESULTANT FIBER PROPERTIES
Foulk, Jonn - Akin, Danny - Dodd, Roy

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Enzymes have the potential to provide an improved method to ret flax for textile fibers. Retting is the separation or loosening of fiber bundles from the cuticularized epidermis and the woody core cells. New commercial pectinase products were evaluated both…
Fecha:	2007-11-28
Recurso:	Bioresources

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29.

STRUCTURAL INVESTIGATIONS OF VARIOUS COTTON FIBERS AND COTTON CELLULOSES
Ioelovich, Michael - Leykin, Alex

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Macro- and crystalline structure, as well as chemical composition of fibers related to various types and sorts of Israeli cottons, both white and naturally colored, were investigated. The differences in structural parameters and chemical compositions of the cotton fibers were…
Fecha:	2007-11-28
Recurso:	Bioresources

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30.

FILMS FROM SPRUCE GALACTOGLUCOMANNAN BLENDED WITH POLY(VINYL ALCOHOL), CORN ARABINOXYLAN, AND KONJAC GLUCOMANNAN
Mikkonen, Kirsi S - Yadav, Madhav P - Cooke, Peter - Willför, Stefan - Hicks, Kevin B - Tenkanen, Maija

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The improvement of mechanical properties of spruce galactoglucomannan (GGM)-based films was sought by blending GGM with each of poly(vinyl alcohol) (PVOH), corn arabinoxylan (cAX), and konjac glucomannan (KGM). The blend ratios were 3:1, 1:1, and 1:3 (w/w), and in addition…
Fecha:	2007-11-28
Recurso:	Bioresources

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31.

STRUCTURE AND PROPERTIES OF SOME NATURAL CELLULOSIC FIBRILS
Subramanian, Ramjee - Kononov, Alexy - Kang, Taegeun - Paltakari, Jouni - Paulapuro, Hannu

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This study examines the properties of cellulosic fibrillar fines manufactured from different pulp raw materials, bleached softwood kraft (bswk), themomechanical (TMP), and non-wood sisal. Chemical characterisation showed that the carbohydrate and lignin contents of sisal were between those of bswk…
Fecha:	2007-11-28
Recurso:	Bioresources

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32.

NOVEL SOURCES OF FUNGAL CELLULASES OF THERMOPHILIC / THERMOTOLERANT FOR EFFICIENT DEINKING OF COMPOSITE PAPER WASTE
Soni, Rohit - Chadha, Bhupinder - Saini, H. S.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Twenty thermophilic/thermotolerant fungal strains were isolated from compositing soils and screened for production of different enzymes (Endoglucanases, β-glucosidase, Fpase and xylanases) to assess their deinking efficiency. Three isolates, Aspergillus sp. AMA, Aspergillus terreus AN1, and Myceliophthora fergusii T4I, identified on…
Fecha:	2007-11-28
Recurso:	Bioresources

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33.

PREPARATION OF MACROPOROUS CELLULOSE-BASED SUPERABSORBENT POLYMER THROUGH THE PRECIPITATION METHOD
Chen, Yu - Liu, Yunfei - Tan, Hui-Min

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Superabsorbent polymer was prepared by graft polymerization of acrylic acid onto the chain of carboxymethyl cellulose. This superabsorbent polymer was further treated by the solvent precipitation method. We found that the water absorption rate of the treated polymer was greatly…
Fecha:	2007-11-28
Recurso:	Bioresources

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34.

FUTURE MARKETING DRIVERS FOR THE FOREST PRODUCTS INDUSTRY
Dasmohapatra, Sudipta

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The forest products industry in North America is increasingly losing its share in its domestic markets. The pressure of low cost manufacturing combined with a slowing economy has painfully caused many mills to close and many workers to lose their…
Fecha:	2009-07-28
Recurso:	Bioresources

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35.

APPLICATION OF SURFACTANTS AS PULPING ADDITIVES IN SODA PULPING OF BAGASSE
Hamzeh, Yahya - Abyaz, Ali - Mirfatahi Niaraki, Mahsa O-Sadat - Abdulkhani, Ali

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The effects of several non-ionic commercial surfactants and their dosage on soda pulping and ECF bleaching of soda and soda-surfactant pulps of bagasse were investigated. The properties of bleachable pulps obtained with conventional soda and with soda-surfactants were studied and…
Fecha:	2009-07-28
Recurso:	Bioresources

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36.

PREPARATION AND CHARACTERIZATION OF COMPOSITES COMPRISING MODIFIED HARDWOOD AND WOOD POLYMERS/POLY(VINYL CHLORIDE)
Bodirlau, Ruxanda - Teaca, Carmen Alice - Spiridon, Iuliana

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Chemical modification of hardwood sawdust from ash-tree species was carried out with a solution of maleic anhydride in acetone. Wood polymers, lignin, and cellulose were isolated from the wood sawdust and modified by the same method. Samples were characterized by…
Fecha:	2009-07-28
Recurso:	Bioresources

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37.

LACCASE: PROPERTIES AND APPLICATIONS
Madhavi, Vernekar - Lele, S. S.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Laccases (benzenediol:oxygen oxidoreductase, EC 1.10.3.2) are multi-copper oxidases that are widely distributed among plants, insects, and fungi. They have been described in different genera of ascomycetes, some deuteromycetes, and mainly in basidiomycetes. These enzymes catalyze the one-electron oxidation of a…
Fecha:	2009-07-28
Recurso:	Bioresources

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38.

AN EXPLORATORY STUDY ON THE REMOVAL OF ACETIC AND FORMIC ACIDS FROM BIO-OIL
Sukhbataar, Badmakhand - Steele, Philip H. - Ingram, Leonard L. - Kim, Moon G.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Bio-oil produced from fast pyrolysis of biomass contains various levels of acetic and formic acids derived from breakdown of cellulose and hemi-cellulose components. Removal of these organic acids from bio-oil was investigated for use as industrial chemicals as well as…
Fecha:	2009-07-28
Recurso:	Bioresources

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39.

STUDY ON FIBROUS COMPOSITES BEHAVIOUR IN HYDRODYNAMIC PROCESS OF WINE FILTRATION
Nechita, Petronela - Bobu, Elena - Ciolacu, Florin - Kontek, Armand

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This study concerns the implementation and performance evaluation of fibrous composites in sterile filtration of wine. Conditions of preparation were established having in view that the separation of particulate contaminants from liquids by depth filtration is occurring by mechanical entrapment…
Fecha:	2009-07-28
Recurso:	Bioresources

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40.

STATUS OF LEAN MANUFACTURING IMPLEMENTATION ON SECONDARY WOOD INDUSTRIES INCLUDING RESIDENTIAL, CABINET, MILLWORK, AND PANEL MARKETS
Pirraglia, Adrian - Saloni, Daniel - Van Dyk, Herman

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Lean Manufacturing has helped several industries to achieve operational and manufacturing excellence by increasing productivity and enhancing quality, while reducing waste and costs. However, the wood industry has been historically slow in adopting this philosophy and its many tools. In…
Fecha:	2009-07-28
Recurso:	Bioresources

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41.

PREPARATION AND CHARACTERIZATION OF MICROCRYSTALLINE CELLULOSE (MCC)
Nada, Abd-Allah M. A. - El-Kady, Mohamed Y. - El-Sayed, Essam S. Abd - Amine, Fatma Mahmoud

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Cotton linters were hydrolyzed with different concentrations of HCl (2.5-15%) to prepare microcrystalline cellulose. Infrared spectroscopy and thermal analysis were used to follow the effect of hydrolysis on the molecular structure of the produced microcrystalline cellulose. The loss in weight…
Fecha:	2009-07-28
Recurso:	Bioresources

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42.

CONTROL BASED ON NUMERICAL METHODS AND RECURSIVE BAYESIAN ESTIMATION IN A CONTINUOUS ALCOHOLIC FERMENTATION PROCESS
Quintero Montoya, Olga Lucia - Amicarelli, Adriana A. - Scaglia, Gustavo - di Sciascio, Fernando

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Biotechnological processes represent a challenge in the control field, due to their high nonlinearity. In particular, continuous alcoholic fermentation from Zymomonas mobilis (Z.m) presents a significant challenge. This bioprocess has high ethanol performance, but it exhibits an oscillatory behavior in…
Fecha:	2009-07-28
Recurso:	Bioresources

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43.

PARTICLEBOARD MADE WITH CROP RESIDUES MIXED WITH WOOD FROM PINUS RADIATA
Garay, Rose Marie - MacDonald, Francisco - Acevedo, Maria Luisa - Calderón, Beatriz - Araya, Jaime E.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The incorporation of crop residues was studied in particleboard panels (agrifibers, AG) in mixture with wood from Pinus radiata D. Don. Four crop residue stubble types were used, wheat, corn, rice plants, and rice husk. Their densities were compared. A…
Fecha:	2009-07-28
Recurso:	Bioresources

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44.

HYDROGEN PEROXIDE BLEACHING OF CMP PULP USING MAGNESIUM HYDROXIDE
Zeinaly, Farhad - Shakhes, Jalal - Firozabadi, Mohammadreza Dehghani - shakeri, Alireza

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Conventional bleaching of hardwood CMP pulp with magnesium hydroxide (Mg(OH)2) show significant benefits over bleaching with sodium hydroxide (NaOH) under various conditions. Magnesium hydroxide bleaching generate higher optical properties, higher pulp yield and lower effluent COD at the same chemical…
Fecha:	2009-07-28
Recurso:	Bioresources

Recurso libre

45.

WATER ABSORPTION, ANTI-SWELL EFFICACY, AND DIMENSIONAL STABILITY PROPERTIES OF NEEM SEED OIL-TREATED WILD GROWN BAMBUSA VULGARIS SCHRAD. EX J.C. WENDL. IN SOUTHWEST NIGERIA
Erakhrumen, Andrew Agbontalor - Ogunsanwo, Olukayode Yekin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Bamboo culm is a hygroscopic lignocellulosic material. Hygroscopic properties may be disadvantageous in bamboo material if applied in certain applications and modes where and when extreme moisture variations are likely to occur. This study was aimed at evaluating the moisture…
Fecha:	2009-07-28
Recurso:	Bioresources

Recurso libre

46.

CELLULOSIC ETHANOL VIA BIOCHEMICAL PROCESSING POSES A CHALLENGE FOR DEVELOPERS AND IMPLEMENTORS
Virkajärvi, Ilkka A.I. - Veringa Niemelä, Marita - Hasanen, Antti - Teir, Andras

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In the future liquid biofuels will need to be renewable, sustainable, as well as technically and economically viable. This paper provides an overview of the challenges that the biochemical production of cellulosic ethanol process still faces. The main emphasis of…
Fecha:	2009-07-28
Recurso:	Bioresources

Recurso libre

47.

THERMO MECHANICAL PROPERTIES OF JUTE/BAGASSE HYBRID FIBRE REINFORCED EPOXY THERMOSET COMPOSITES
Saw, Sudhir Kumar - Datta, Chandan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Natural fibres are partly replacing currently used synthetic fibres as reinforcement for polymer composites. Jute fibre bundles were high-cellulose-content modified by alkali treatment, while the bagasse fibre bundles were modified by creating quinones in the lignin portions of fibre surfaces…
Fecha:	2009-07-28
Recurso:	Bioresources

Recurso libre

48.

POLYPROPYLENE COMPOSITES REINFORCED WITH RICE STRAW MICRO/NANO FIBRILS ISOLATED BY HIGH INTENSITY ULTRASONICATION
Wu, Yan - Zhou, Ding-Guo - Wang, Si-Qun - Zhang, Yang

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Rice straw (Oryza sativa L.) pulp was treated by high intensity ultrasonication to make fibrils. The rice straw fibril (RSF) material was used as reinforcement in an RSF/polypropylene (PP) composite. The influences of RSF and coupling agent (MAPP) contents on…
Fecha:	2009-07-28
Recurso:	Bioresources

Recurso libre

49.

WETTABILITY OF FIRE RETARDANT TREATED LAMINATED VENEER LUMBER (LVL) MANUFACTURED FROM VENEERS DRIED AT DIFFERENT TEMPERATURES
Ayrilmis, Nadir - Dundar, Turker - Candan, Zeki - Akbulut, Turgay

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Wettability of the fire retardant treated (FRT) laminated veneer lumber (LVL) manufactured from wood veneers dried at different temperatures was investigated. Commercially manufactured veneer of beech wood (Fagus orientalis L.) was treated with borax-boric acid (BX/BA, 1:1 by weight), monoammonium…
Fecha:	2009-07-28
Recurso:	Bioresources

Recurso libre

50.

SHEAR STRENGTH OF HEAT-TREATED TALI (ERYTHROPHLEUM IVORENSE A. CHEV. ) AND IROKO (CHLOROPHORA EXCELSA ) WOODS WITH VARIOUS ADHESIVES
Şahin Kol, Hamiyet - Özbay, Günay - Altun, Suat

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The aim of this study was to evaluate the effect of heat treatment on the shear strength of tali (Erythrophleum ivorense) and iroko (Chlorophora excelsa) woods, bonded with some structural adhesives. Shear strength of untreated and heat-treated woods bonded with…
Fecha:	2009-07-28
Recurso:	Bioresources