๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Properties and structure of oil shale ash pastes I: Composition and physical features

โœ Scribed by H. Baum; I. Soroka; A. Bentur

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
644 KB
Volume
15
Category
Article
ISSN
0008-8846

No coin nor oath required. For personal study only.

โœฆ Synopsis

The composition and physical features of oil shale ash pastes were determined and compared with the corresponding properties of portland cement paste.

In the first part presented here, the composition, chemically combined water, porosity (total, capillary and gel porosity), pore-slze and pore-slze distribution, and specific surface area were determined by water vapor adsorption, mercury penetration and X-ray diffraction . It was established that the structural features and the factors which control and determine these features, are essentially the same in both the ash and the portland cement pastes.

In the ash paste, however, total porosity remained virtually unchanged with time. This aspect, as well as the mechanical properties of the ash paste, are presented and discussed in the second part of the paper.

๐Ÿ“œ SIMILAR VOLUMES

Comparison between oil-shale ash and cem
Comparison between oil-shale ash and cement pastes
โœ H. Baum; I. Soroka ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 388 KB

It was shown that the structures and properties of both ash and cement pastes can be described and explained by the same structural models. At the same age, and for the same water/binder ratio, the ash pastes, however, exhibited higher total and capillary porosities, lower specific surface area and

Microstructural and physical properties
Microstructural and physical properties of silica aerogels based on oil shale ash
โœ Gui-Mei Gao; Xue-Chun Xu; Hai-Feng Zou; Gui-Juan Ji; Shu-Cai Gan ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 711 KB

## Oil shale ash Silica aerogels Surface modification agents Mesoporous materials The silica aerogels based on oil shale ash were successfully synthesized in the presence of different surface modification agents via ambient pressure drying. The organic modification of hydrogels was a crucial step

Cementing properties of oil-shale ash: I
Cementing properties of oil-shale ash: I. Effect of burning method and temperature
โœ M. Ish-Shalom; A. Bentur; T. Grinberg ๐Ÿ“‚ Article ๐Ÿ“… 1980 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 474 KB

The oil crisis has prompted renewed interest in direct burning of oil shale as an alternative energy source. Amajor problem in this process is the large portion of ash produced. The cementing properties of this ash were investigated to determine its applicability as a building material. In this pap

Preparation and properties of silica nan
Preparation and properties of silica nanoparticles from oil shale ash
โœ Gui-Mei Gao; Hai-Feng Zou; Shu-Cai Gan; Zhao-Jun Liu; Bai-Chao An; Ji-Jing Xu; G ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 688 KB

The method of preparing spherical silica nanoparticles from the oil shale ash (OSA) via the ultrasonic technique in the hydrolysis-condensation stage followed by azeotropic distillation, was reported. The effects of ultrasonic and azeotropic distillation on the particle size and distribution have be