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esfahan high end environmental kaolin sand making machine

Thermal conductivity is a key parameter for the design of various geothermal structures such as geothermal energy piles, ground source heat pumps and soil borehole thermal energy storage. In this paper, the thermal conductivity of sand–kaolin clay mixtures prepared at varied moisture content, dry density and clay content was measured using a newly designed thermo-time domain reflectometry probe. The data revealed that the thermal conductivity of the sand–kaolin clay mixtures increased with an increase in moisture content and dry density. The thermal conductivity of the moist sand–kaolin mixtures decreased with an increase in clay content in two distinct regimes including a slow decrease in thermal conductivity above a critical clay content, which was found to be 10%. Five soil thermal conductivity models were selected to predict the thermal conductivity of the sand–kaolin clay mixtures, and the predictions were compared with the experimental results. Two models were modified to account for the effect of clay content on the thermal conductivity of the sand-clay mixtures. Recommendations regarding the design of energy geostructures were made based on the measured thermal conductivity data

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thermal conductivity of sand–kaolin clay mixtures

On the surface, it looks unremarkable. A platy soft white clay mined and processed by BASF in Georgia, kaolin can hide just how versatile and vital it is to a diverse list of industries by appearance alone.

First discovered in China, kaolin has been used in the making of porcelain and fine china for centuries. Today, however, kaolin is an important and cost-effective pigment in many paper and paperboard, paints and coatings, plastics, wire and cable and in concrete among many others.

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