Coal bottom ash use in traditional ceramic production: evaluation of engineering properties and indoor air pollution removal ability

Ongwandee, Maneerat; Namepol, Kan; Yongprapat, Kamolchai; Homwuttiwong, Sahalaph; Pattiya, Adisak; Morris, John; Chavalparit, Orathai

doi:10.1007/s10163-020-01096-1

Cited by 5 publications

(1 citation statement)

References 18 publications

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“…The partial substitution of raw materials with waste or new materials can improve the properties of ceramic products and also reduce the cost of their production [1]. Nowadays, many published studies deal with partial substitution of traditional input raw materials for production of ceramics by waste materials such as fly or bottom ash [2][3][4][5][6][7][8][9][10][11][12], waste glass [13][14][15][16], waste calcite [17], etc. Húlan et al [7] determined that a higher Young's modulus was reached after sintering with a lower amount of fly ash.…”

Section: Introductionmentioning

confidence: 99%

Thermophysical Properties of Kaolin–Zeolite Blends up to 1100 °C

et al. 2021

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In this study, the thermophysical properties such as the thermal expansion, thermal diffusivity and conductivity, and specific heat capacity of ceramic samples made from kaolin and natural zeolite are investigated up to 1100 °C. The samples were prepared from Sedlec kaolin (Czech Republic) and natural zeolite (Nižný Hrabovec, Slovakia). Kaolin was partially replaced with a natural zeolite in the amounts of 10, 20, 30, 40, and 50 mass%. The measurements were performed on cylindrical samples using thermogravimetric analysis, a horizontal pushrod dilatometer, and laser flash apparatus. The results show that zeolite in the samples decreases the values of all studied properties (except thermal expansion), which is positive for bulk density, porosity, thermal diffusivity, and conductivity. It has a negative effect for thermal expansion because shrinkage increases with the zeolite content. Therefore, the optimal amount of zeolite in the sample (according to the studied properties) is 30 mass%.

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