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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

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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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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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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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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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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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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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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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10.

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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11.

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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12.

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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13.

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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14.

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

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15.

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

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16.

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

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17.

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

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18.

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

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19.

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

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20.

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

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21.

REFLECTANCE UV-VIS AND UV RESONANCE RAMAN SPECTROSCOPY IN CHARACTERIZATION OF KRAFT PULPS
Lähdetie, Anni - Liitiä, Tiina - Tamminen, Tarja - Jääskeläinen, Anna-Stiina

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Reflectance UV-Vis spectroscopy and UV resonance Raman (UVRR) spectroscopy are both nondestructive techniques that are applicable to study trace concentrations of lignin in-situ. In this study, unbleached and bleached softwood kraft pulps were analyzed by reflectance UV-Vis (k/s) and UVRR…
Fecha:	2009-07-28
Recurso:	Bioresources

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22.

ENHANCEMENT OF OPTICAL PROPERTIES OF BAGASSE PULP BY IN-SITU FILLER PRECIPITATION
Kumar, Pradeep - Guatam, Sanjeev K. - Kumar, Vivek - Singh, Surendra Pal

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In-situ precipitation of calcium carbonate in bagasse fibers resulted in a very significant increase in specific scattering coefficient and consequently large improvements in opacity and brightness of the handsheets made from such pulp. At the same level of filler loading,…
Fecha:	2009-07-28
Recurso:	Bioresources

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23.

THE INFLUENCE OF PH ON THE ADSORPTION AND INTERACTION OF CHITOSAN WITH CELLULOSE
Myllytie, Petri - Salmi, Jani - Laine, Janne

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The pH dependent adsorption behavior of chitosan onto a cellulose model surface was studied by quartz crystal microbalance with dissipation (QCM-D). The molecular level interactions between adsorbed chitosan layers were studied by atom force microscopy (AFM) colloidal probe force measurements…
Fecha:	2009-07-28
Recurso:	Bioresources

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24.

CELLULASES FROM PENICILLIUM JANTHINELLUM MUTANTS: SOLID-STATE PRODUCTION AND THEIR STABILITY IN IONIC LIQUIDS
Adsul, Mukkund G. - Terwadkar, Asawari P. - Varma, Anjani J. - Gokhale, Digambar

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The cellulase production by P. janthinellum mutants on lignocellulosic material such as cellulose or steam exploded bagasse (SEB) in combination with wheat bran was studied in solid state fermentation (SSF). One of the mutants, EU2D21, produced the highest levels of…
Fecha:	2009-07-28
Recurso:	Bioresources

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25.

HANDMADE PAPER: A REVIEW OF ITS HISTORY, CRAFT, AND SCIENCE
Hubbe, Martin A. - Bowden, Cindy

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	For over 2000 years the manual craft of papermaking has been practiced all over the world utilizing a variety of techniques. This review describes the evolution of hand papermaking and its cultural significance. Paper’s evolution has been shaped by the…
Fecha:	2009-07-28
Recurso:	Bioresources

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26.

SORPTION OF Cu(II) BY POLY(HYDROXAMIC ACID) CHELATING EXCHANGER PREPARED FROM POLYMETHYL ACRYLATE GRAFTED OIL PALM EMPTY FRUIT BUNCH (OPEFB)
Haron, Md Jelas - Tiansih, Mariati - Ibrahim, Nor Azowa - Kassim, Anuar - Wan Yunus, Wan Md Zin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This paper describes the preparation of chemically modified oil palm empty fruit bunch (OPEFB) with hydroxamic acid functional group and its use for the sorption of Cu(II) from aqueous solution. OPEFB was grafted with poly(methylacrylate) (PMA), using H2O2/Fe2+ as initiator.…
Fecha:	2009-07-28
Recurso:	Bioresources

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27.

THE IMPACT OF A STRENGTH GRADING PROCESS ON SAWMILL PROFITABILITY AND PRODUCT QUALITY
Brännström, Mattias

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A strength grading process, starting with log grading, was studied with respect to grading yield, impact on quality, and economic efficiency when visual grades according to Nordic grading rules were used for alternate product comparison. Pine (Pinus sylvestris) and spruce…
Fecha:	2009-07-28
Recurso:	Bioresources

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28.

MODIFICATION OF PRECIPITATED CALCIUM CARBONATE FILLER USING SODIUM SILICATE/ZINC CHLORIDE BASED MODIFIERS TO IMPROVE ACID-RESISTANCE AND USE OF THE MODIFIED FILLER IN PAPERMAKING
Shen, Jing - Song, Zhanqian - Qian, Xueren - Liu, Wenxia

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In order to improve the acid-resistant property of papermaking grade precipitated calcium carbonate filler and to obtain modified filler in powder form, sodium silicate/zinc chloride based modifiers were used in filler modification, and the use of modified filler in papermaking…
Fecha:	2009-07-28
Recurso:	Bioresources

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29.

DEVELOPMENT OF A NANO-Ni-La-Fe/Al2O3 CATALYST TO BE USED FOR SYN-GAS PRODUCTION AND TAR REMOVAL AFTER BIOMASS GASIFICATION
Li, Jianfen - Xiao, Bo - Yan, Rong - Liu, Jainjun

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The objective of this study was to develop a supported tri-metallic catalyst (nano-Ni-La-Fe/γ-Al2O3) for tar removal in biomass steam gasification, to significantly enhance the quality of the produced gas. For this purpose, the supported tri-metallic catalysts were prepared by a…
Fecha:	2009-07-28
Recurso:	Bioresources

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30.

SIMULATIONS COMPARING CONVENTIONAL EVAPORATION PLANTS WITH PLANTS USING EXCESS HEAT
Olsson, Marcus R - Berntsson, Thore

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Pulp and paper mills are large energy consumers which can often achieve economic savings by implementing energy-saving measures. The process unit with the greatest energy demand in a mill is usually the evaporation plant. If excess heat can be made…
Fecha:	2009-07-28
Recurso:	Bioresources

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31.

REINFORCEMENT POTENTIAL OF BLEACHED SAWDUST KRAFT PULP IN DIFFERENT MECHANICAL PULP FURNISHES
Korpinen, Risto Ilmari - Fardim, Pedro E.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Bleached unrefined and refined sawdust kraft pulps were added to bleached Norway spruce thermomechanical (TMP) and pressurised groundwood (PWG) pulps in different proportions. Handsheets were prepared and tested for physical properties. In addition, economic calculations were done to estimate the…
Fecha:	2009-07-28
Recurso:	Bioresources

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32.

ENHANCED ENZYMATIC CONVERSION AND GLUCOSE PRODUCTION VIA TWO-STEP ENZYMATIC HYDROLYSIS OF CORNCOB RESIDUE FROM XYLO-OLIGOSACCHARIDES PRODUCER'S WASTE
Ouyang, Jia - Li, Zhenjiang - Li, Xin - Ying, Hanjie - Yong, Qiang

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A study was conducted to investigate the hydrolysis of cellulose-enriched corncob residue, a cellulosic waste from the xylo-oligosaccharides industry, by two processes. The corncob residue was hydrolyzed by cellulases via direct hydrolysis and two-step hydrolysis. Cellulases were produced by Trichoderma…
Fecha:	2009-07-28
Recurso:	Bioresources

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33.

CALIBRATIONS BASED ON NEAR INFRARED SPECTROSCOPIC DATA TO ESTIMATE WOOD-CEMENT PANEL PROPERTIES
Hein, Paulo Ricardo Gherardi - Sá, Vânia Aparecida - Bufalino, Lina - Mendes, Lourival Marin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Some scientific contributions have used near infrared (NIR) spectroscopy as a rapid and reliable tool for characterizing engineered wood products. However, to our knowledge, there are no published papers that used this technique in order to evaluate wood-cement panels. The…
Fecha:	2009-07-28
Recurso:	Bioresources

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34.

THE EFFECTS OF EDGE BANDING THICKNESS OF ULUDAG FIR BONDED WITH SOME ADHESIVES ON WITHDRAWAL STRENGTHS OF BEECH DOWEL PINS IN COMPOSITE MATERIALS
Kurt, Seref - Uysal, Burhanettin - Özcan, Cemal - Yildirim, Mehmet Nuri

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Composite materials and wooden dowels are being used increasingly in the construction of furniture frames and inner decoration. Yet there is little information available concerning the withdrawal strength of various fasteners, and, in particular, dowels in composite materials edged solid…
Fecha:	2009-07-28
Recurso:	Bioresources

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35.

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

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36.

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

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37.

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

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38.

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

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39.

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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40.

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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41.

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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42.

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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43.

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

Recurso libre

44.

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

Recurso libre

45.

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

46.

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

Recurso libre

47.

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

Recurso libre

48.

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

Recurso libre

49.

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

Recurso libre

50.

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