Results 221 to 230 of about 13,574 (262)

Rupelian Boom clay as raw material for expanded clay manufacturing

Applied Clay Science, 1993
Abstract The Rupelian Boom clay has been investigated with respect to its bloating characteristics. In industrial practice, it was found that too much organic matter has a negative impact on bloating and that iron compounds have to be added to facilitate the expansion process.
J. Decleer, W. Viaene
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NDT of LWC with Expanded Clay

2011
Nowadays, light-weight concrete (lwc) is increasingly used in construction, namely lwc with aggregates of expanded clay type called Liapor. It is often necessary to perform tests for the characteristics of cast-in-place concrete during building construction as well as after the construction.
J. Brozovsky, D. Benes, J. Zach
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Effect of expandable clays and cometabolism on PAH biodegradability

Environmental Science and Pollution Research, 2003
Pyrene and phenanthrene degradation was examined in both single and binary slurry systems for three different natural soils. It was found that the amount of total expandable clays (smectite and vermiculite) was in a good agreement with the achieved rate and extent of biodegradation.
Sangchul, Hwang, Teresa J, Cutright
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Expanded clays in water treatment: some alternative filtration media

Rendiconti online della Società Geologica Italiana, 2016
Companies from different industrial sectors regularly use biological aerated filters to reduce pollutants resulting from industrial productions. These filters use a bed of inert material for the growth of a microbial colony which has the key role to break down pollutants.
Graziano S. F., Porzio G., Di Benedetto C., Dondi M., Cappelletti P.   +4 more
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Technology for producing keramzit from low expandable clay

Glass and Ceramics, 2012
The possibility of producing low-density, high-strength keramzit from low expandable clay raw material using lignin-alkaline reagent (LAR) is investigated. The particulars of the formation of the porous structure of keramzit granules using different temperature–time regimes and its effect on the physical–mechanical properties of the material are ...
I. A. Ivleva, M. S. Shimanskaya, I. I. Nemets   +2 more
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Water retention of light expanded clay amendment

Communications in Soil Science and Plant Analysis, 1998
Abstract Shallow‐drained horticultural soils utilized in containers, sporting areas, and landscape sites tend to retain excess water and thereby be poorly aerated as a consequence of capillary retention following irrigation or precipitation. This problem is usually corrected by soil physical amendment with coarse‐textured particulates to add large ...
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Partitioning of Binary Solvents on Charged Expandable Clays

Clays and Clay Minerals, 1996
Abstract The present paper represents an extension of recent work that considered the partitioning response of binary solvents placed into contact with charged, expandable clays. Previous theoretical work yielded a model of partitioning by performing a thermodynamic analysis, involving the work of polarization, on a binary solvent ...
Joseph R. Feldkamp, Thomas B. Stauffer
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Vapor adsorption on expanding and nonexpanding clay minerals

Journal of Colloid and Interface Science, 1979
Adsorption of water and cyclohexane vapors at 35°C was measured on montmorillonite (an expanding-type clay mineral) and on illite (a nonexpanding clay mineral), both heated in vacuo at various temperatures for 5 hr. Specific surface areas were estimated from the BET method (SBET), and from the cumulative values of pore structure analysis (Scum). Water,
R.Sh Mikhail, N.M Guindy, S Hanafi
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Mechanical characterization of lightweight expanded clay particles

Materials Research Proceedings
Abstract. The objective of the research is to study the mechanical behavior of crushable particles containing an internal porosity. To ease the visualization of grains’ crushing, expanded clay aggregates (LECA) was selected as a model material due to the brittle behavior of its particles and its high internal porosity. Identification of LECA’s physical
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Development of expandability charts for Ankara Kalecik Clay

Applied Clay Science, 2014
Abstract The main aim of this study is to establish optimum working conditions and to propose expandability charts for Kalecik Clay using expansion ratio versus unit volume weight values via a statistical computer program (Design Expert 7.0). First of all, some suitable samples were collected from the Kalecik County (Ankara, Turkey).
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