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Acta Chromatographica
Authors: Francielle Q. Soares, Bruna F. Alvarenga, Marçal A. Ruggiero, Monise C. Casanova, Eliana M. Lima, Denilson Rabelo, and Andréa R. Chaves

Spectral Imaging (Peabody, MA, USA). Nitrogen Adsorption Measurements The specific surface area and pore size distribution measurements were performed using a Micrometrics ASAP 2010 nitrogen sorption porosimeter. Analysis

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Thermal degradation of rice husks on a pilot plant

Utilization of the products as adsorbents for oil spill cleanup

Journal of Thermal Analysis and Calorimetry
Authors: S. Genieva, S. Turmanova, A. Dimitrov, P. Petkov, and L. Vlaev

and pore size distribution curves of both samples. Fig. 4 Adsorption–desorption isotherms of BRHA and WRHA and pore size distribution curves As can be seen from Fig. 4 , the

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Journal of Thermal Analysis and Calorimetry
Authors: Edjane F. B. Silva, Marcílio P. Ribeiro, Ana C. F. Coriolano, Ana C. R. Melo, Anne G. D. Santos, Valter J. Fernandes Jr., and Antonio S. Araujo

temperature of 77 K on a Quantachrome equipment NOVA-2000 model. Prior to adsorption measurement, the sample was degassed at temperature of 300 °C for 2 h. The specific surface area was determined by the BET method and the pore size distribution was estimated

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adsorption isotherm and pore size distribution for MCM-41 The analysis by scanning electron microscopy was carried out in order to observe the morphology of the material. It can be observed in Fig. 3 that the sample of

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the sample without application in the reaction. The micropores deceased to 22 %, while the mesopores increased to 56 %. Table 2 Surface areas, pore volumes and pore size distributions of catalysts activated at

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the evaporable water. The capillary porosity and pore-size distribution were investigated by mercury intrusion porosimetry carried out with a Micromeritics Pore Sizer IV 9600 V1.05, in a pressure range of 0.5-33000 psia

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in an MCM-41 type material [ 19 ]. Figure 4 shows pore size distributions for the calcined FA-derived F-MCM-41 materials. The pore size distribution for these samples, as calculated by the BJH method, shows a sharp peak at about 2.7 nm for the F

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and 0.54 cm 3 g −1 for MgNiAl(4.05). Pore-size distribution plots (not shown) exhibited an unimodal pore distribution centered at 3.8 nm. The TPR profile of MgNiAl(4.05) is reported in Fig. 2 . It shows a sharp peak at 713 K, which merges

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containing initially 10% of pitch-polymer compositions [ 18 , 19 ]. Based on earlier determined adsorption of benzene isotherms [ 19 ] it was calculated in this study pore size distributions via effective radii for investigated sorbents ( Fig. 5

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. 5. Jiao , F , Hill , AH , Harrison , A , Berko , A , Chadwick , AV , Bruce , PG . Synthesis of ordered mesoporous NiO with crystalline walls and a bimodal pore size distribution . J Amer Chem Soc . 2008 ; 130

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