Abstract
Abstract In this research, ceramic bricks were produced based on natural zeolite from Tokaj (Hungary) using the dry pressing technique. The microstructure, morphology and properties of the produced samples were examined via scanning electron microscopy, X-ray diffraction and X-ray fluorescence. The X-ray investigation revealed various minerals in the natural zeolite; moreover, the samples’ physical and thermal properties were also investigated. The sintering temperature and composition play a major role in the microstructure and the properties of the prepared ceramic samples. The produced ceramics bricks have excellent thermal insulation and good mechanical strength. The results of this research work confirm the potential use of natural zeolite from Tokaj as an eco-friendly building material.
Highlights
The energy demand is expected to highly increase in the upcoming years [1,2,3]
Natural zeolite, which is used as a starting raw material for the preparation of ceramic bricks, is obtained from Tokaj Mountain in north Hungary
ThermoGravimetric (TG) analysis, Differential Thermal Analysis (DTA) and Differential ThermoGravimetric (DTG) analysis of the powder samples were done at a temperature up to 1,200 8C with a heating rate of 5 8C/min in air
Summary
Saving energy by introducing new building materials with good thermal insulation properties has drawn huge interest [4, 5]. This is basically due to the economic and environmental importance of saving energy. The heating and cooling of the building, which causes discomfort, commonly occur due to heat transmittance through the wall. Using thermally insulated materials can reduce global warming and contribute to sustainability by reducing heat gain and loss through the walls [7, 8]
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