کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6376619 | 1624850 | 2014 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Paper from Stipagrostis pungens
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
علوم زراعت و اصلاح نباتات
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چکیده انگلیسی
Stipagrostis pungens is a traditional medicinal annual plant growing in Tunisia. It is quite a small plant suitable for Tunisia arid areas. This paper deals with the study of the chemical composition and the cooking of this raw material, in order to produce lignocellulosic fibres. The chemical composition of S. pungens has showed that it contains quite high amount of extractives, lignin (around 12%) and polysaccharides (71%). The α-cellulose amounts are acceptable (44%). Finally, the ash content was around 4.65%. With the insight of such data, we have undertaken the soda-anthraquinone cooking of S. pungens and produced lignocellulosic fibres. Different cooking temperatures (120 and 140 °C) and times were tested. A yield of about 43% w/w was obtained and the produced pulps had a kappa number of around 11. Finally, the isolated fibres were used to produce laboratory handmade standard sheets. The structural and mechanical properties of the prepared samples were close to those of other common annual plants-based fibre-mats.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Industrial Crops and Products - Volume 59, August 2014, Pages 109-114
Journal: Industrial Crops and Products - Volume 59, August 2014, Pages 109-114
نویسندگان
Faten Ferhi, Satyajit Das, Younes Moussaoui, Elimame Elaloui, José Garrido Yanez,