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numerous open pores and resulting in irregular changes in pore structure. XRD patterns of two series of catalysts are shown in Fig. 1 . All catalysts showed the characteristic peaks of spinel Co 3 O 4 phase at 36.7°. The weaker diffraction peaks

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, indicating that the prepared materials contain well-ordered hexagonal arrays of one-dimensional channel structure [ 21 ]. The TEM micrographs confirm that all the catalysts contain well-ordered, one-dimensional pore structure, similar to the pure SBA-15. The

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Journal of Thermal Analysis and Calorimetry
Authors: Rafael Leite de Oliveira, Hernane da Silva Barud, Rosana M. N. de Assunção, Carla da Silva Meireles, Geandre Oliveira Carvalho, Guimes Rodrigues Filho, Younes Messaddeq, and Sidney José Lima Ribeiro

lignocellulosic materials. The MCC is obtained on an industrial scale by hydrolysis of cellulose using dilute mineral acids. Once the cellulose obtained from different sources differs in properties (crystallinity, moisture, surface and pore structure, and

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Journal of Thermal Analysis and Calorimetry
Authors: Ana C. R. Melo, Edjane F. B. Silva, Larissa C. L. F. Araujo, Mirna F. Farias, and Antonio S. Araujo

selectivity is due to the pore structure that can be controlled by synthesizing the suitable zeolite type [ 10 ]. The Beta zeolite was first synthesized by Mobil in 1967, however, due to its complexity, its structure was determined only in 1988 [ 11

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-modified silica gel is rather polar and well wetted with water. Once saturated with adsorbed water, silica gel can be dried up by heating it to 120 °C. Chemically bound water can be removed by heating to over 450 °C without changes in pore structure. The

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Journal of Thermal Analysis and Calorimetry
Authors: Hernani S. Barud, Clóvis A. Ribeiro, Jorge M. V. Capela, Marisa S. Crespi, Sidney. J. L. Ribeiro, and Younes Messadeq

polymerization” (LODP) of about 200–300 and has a crystallinity of at least 78% as measured by X-ray diffraction. Since cellulose obtained from different sources differs in several properties (crystallinity, moisture, surface and pore structure, and molecular

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Journal of Thermal Analysis and Calorimetry
Authors: Dmitar Zorić, Dušan Lazar, Ognjen Rudić, Miroslava Radeka, Jonjaua Ranogajec, and Helena Hiršenberger

production is their superior thermal insulating properties. Thermal behavior of LWA is related to its thermal conductivity and density values which are influenced by the pore structure. This property depends also on its degree of crystallization. An aggregate

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Resolution and Discovery
Authors: Taťána Fenclová, Zdeněk Jonšta, Miroslav Hnatko, Josef Kraxner, and Pavol Šajgalík

incoming mixture with different ratios of its components: (A) 30:70, (B) 50:50, and (C) 70:30 3.2 Pore Structure Pores in the structure of microspheres are very important for

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. Zhong , YJ , Li , SZ , Wei , XH , Gao , XQ , Shi , JL , Guo , QG , Liu , L . 2010 . Carbon matrices with different pore structures as heat transfer intensifier in paraffin wax/carbon thermal energy storage system . Carbon . 48 5 1695

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micrographs, the pore structure and the pore morphology of the material can be assessed [ 9 ]. From Figs 4 and 5 it can be found that the black spots that are seen between the particles are the open pores present in the material. It is observed that, the

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