Results 161 to 170 of about 731 (180)
Thermal degradation behavior and kinetics of industrial hemp stalks and shives [PDF]
Thermochimica Acta, 2021 Thermogravimetric curves are measured, at heating rates of 5, 10 and 20 K/min under a nitrogen flow, of industrial hemp and shives, a by-product of bast fiber production, after water retting and mechanical decortication of the plant stalk. To understand the influences of the pretreatments, measurements are also made for water-retted and water-washed ...
Branca Carmen, Di Blasi Colomba
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Pretreated hemp shives: Possibilities of conversion into levoglucosan and levoglucosenone
Industrial Crops and Products, 2019Abstract This study aims to evaluate the possibilities of the production of anhydrosugar rich bio-oil by fast pyrolysis. Industrial hemp (Cannabis sativa L.) shives were used as the raw material for the study. Hemicelluloses were converted to furfural by catalytic hydrothermal pretreatment, while the left-over lignocellulose (LC) was subjected to ...
Jänis Rizhikovs +2 more
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ASSESSMENT OF STRUCTURE INFLUENCE ON THERMAL CONDUCTIVITY OF HEMP SHIVES COMPOSITE [PDF]
Environmental Engineering and Management Journal, 2016 In past ten years area of green technologies and materials was the most growing industry sector in the world. It is related wit h global warming, air pollution and energy saving. Building sector intensively increased air pollu tion and is related with high energy consumptions. The use of renewable or recyclable materials can reduce these problems.
Balčiūnas, Giedrius +3 more
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Copper Recovery from Aqueous Solutions by Hemp Shives: Adsorption Studies and Modeling [PDF]
Processes, 2023 This article describes the performance of hemp shives, a co-product of the hemp industry, when used as an adsorbent to recover copper present in aqueous solutions by a batch method.
Gregorio Crini, Crini Gregorio
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Properties of Hemp Shive Panels with Different Resin Content
Bulletin of the Transilvania University of Brasov. Series II: Forestry • Wood Industry • Agricultural Food Engineering, 2023Wood-based panels are one of the leading materials for frame structures of furniture. The worldwide shortage of wood raw materials necessitates searching for alternative sources to produce panels. Hemp shives are a representative of precisely this type of raw material. They are characterised by low bulk density and high fibre strength.
Hristodorova, Desislava, Savov, Viktor
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Chemically Treated Hemp Shives as a Suitable Organic Filler for Lightweight Composites Preparing [PDF]
Procedia Engineering, 2012 Technical hemp (Cannabis sativa) is recently in the forefront in the manufacture of lightweight composites, where hemp shives acts as a filler. Many research projects have been devoted to the study of enhancement of the adhesion at the fibres–matrix ...
Naděžda Stevulova
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Influence of Density on the Withdrawal Staple Strength from Hemp Shive Panels
Bulletin of the Transilvania University of Brasov. Series II: Forestry • Wood Industry • Agricultural Food Engineering, 2023Particleboards are the main material used in the production of furniture and furnishings. The shortage of wood raw material and the everincreasing amount of particleboards produced suggest a search for alternative raw material sources for this panel type.
Hristodorova, Desislava +2 more
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Susceptibility of drilling particleboard with share of hemp shives [PDF]
Biuletyn Informacyjny Ośrodka Badawczo-Rozwojowego Przemysłu Płyt Drewnopochodnych w Czarnej Wodzie, 2021 The influence of the share of hemp shives in individual layers of the three-layer particleboard on its susceptibility to drilling was investigated. Seven variants of three-layer particleboards were produced with the share of 0, 10 and 25% hemp shives in either the face or core layer, as well as in the face and core layers, respectively.
Radosław Auriga +3 more
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Hemp Fibres and Shives, Nano- and Micro-Composites
2015Hemp as natural plant is essentially a composite in which rigid cellulose micro-fibrils are embedded in a soft matrix composed of lignin and hemicellulose. Hemicelluloses and, to some extent, pectin are the primary components of the binding substance of the elementary bast and shive fibres, while lignin plays the part of stabilizer and screen for other
Silvija Kukle +2 more
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AIP Conference Proceedings, 2017
The use of waste plants in building materials production is consistent with the principles of sustainable development, including waste management, CO2 balance, biodegradability of the material e.g. after building demolition. The porous structure of plant materials determines their usability as the insulation materials. An example of plant applicable in
Przemysław Brzyski, Marcin Widomski
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The use of waste plants in building materials production is consistent with the principles of sustainable development, including waste management, CO2 balance, biodegradability of the material e.g. after building demolition. The porous structure of plant materials determines their usability as the insulation materials. An example of plant applicable in
Przemysław Brzyski, Marcin Widomski
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