Sahab Hedjazi

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The aim of this study was to evaluate the influence of mild alkaline pre-extraction on the hemicelluloses removal of rice straw. In addition, the performance of cellulose nanofibers (CNFs) addition on some physico-mechanical properties obtained from extracted and un-extracted (control) samples were investigated. An optimum compromise was found as operating(More)
This study evaluated reinforcing effect of waste lignocellulosic material (bagasse) and nano-SiO2 powder on physical and mechanical properties of nano-biocomposites. In the specimen preparation, three levels of nano-SiO2 (0, 2, and 5 wt%) and 40 wt% of fibers were used. In order to increase the interphase adhesion, polyethylene grafted with maleic anhydride(More)
In this research, the effect of pre-steaming on mass transfer properties, including air permeability and water vapor diffusivity of fir wood (Abies alba L.), a gymnosperm species with torus margo pit membrane, was evaluated. The pre-steaming was performed at temperatures of 120, 140, and 160°C for 1 hour under a pressure of 2-3 bars. Then, the presteamed(More)
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