Journal
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Volume 328, Issue 3, Pages 1391-1398Publisher
SPRINGER
DOI: 10.1007/s10967-021-07719-7
Keywords
Fly ash; Cement clinker; Environment protection; Effective dose; Gamma radiation
Funding
- European Institute of Innovation and Technology (EIT), a body of the European Union, under the Horizon 2020, the EU Framework Programmme for Research and Innovation (RIS-ALiCE) [18258]
- Ministry of Education, Science and Technological Development of the Republic of Serbia [451-03-68/2021-14/200017]
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The study successfully achieved the targeted phase composition of cement clinkers by synthesizing with fly ash from different sources, which also showed satisfactory radiological properties.
Potential comprehensive solutions in order to protect environment is the synthesis of alternative mineral binders such as belite-sulfoaluminate cement clinkers, which are considered as energy and carbon reducing, allowing the substitution of natural raw materials with secondary ones. In this study, three different samples of fly ash (FA) from Nikola Tesla Thermal power plant (Serbia) were used in clinker synthesis with the targeted phase composition of 65 wt.% belite, 20 wt.% calcium sulfoaluminate and 5 wt.% ferrite. Fly ashes and cement clinkers were investigated in terms of physical-chemical, mineralogical and also radiological characterization. Results showed that incorporation of fly ash in raw mixture resulted in achieving the targeted phase composition of cement clinkers with satisfactory radiological properties.
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