Baza Publikacji Pracowników Politechniki Lubelskiej

Status:
Autorzy:	Borowski Gabriel, Ozga Małgorzata
Dyscypliny:
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Rok wydania:	2020
Wersja dokumentu:	Drukowana \| Elektroniczna
Język:	angielski
Wolumen/Tom:	104
Strony:	192 - 197
Impact Factor:	7,145
Web of Science® Times Cited:	15
Scopus® Cytowania:	17
Bazy:	Web of Science \| Scopus
Efekt badań statutowych	NIE
Materiał konferencyjny:	NIE
Publikacja OA:	NIE
Abstrakty:	angielski
	The article presents the results pertaining to granulation of two types of fly ash from (1) coal (hard coal) incineration and (2) lignite (brown coal) combustion. The physical, chemical and mechanical properties of granules were compared to obtain the good quality of aggregates. Three types of binders were added to the ash blends: hydrated lime, Portland cement and phosphogypsum. The experimental technological line was used for pelletizing the fine mixtures; then, the obtained granules were tested immediately after their manufacturing (in fresh state) as well as after curing. The addition of binder improved their mechanical properties. Granulation of powders regimented with strictly defined shares of grains fraction. The axial compression test was conducted to find the best toughness, with consideration of the curing time of granules. Granules in the diameter of 15–18 mm were obtained using a disc granulator. The comparison revealed that the granulation of coal fly ash was more effective because of the processing conditions, and the obtained bodies were characterized by better mechanical properties then those made of the lignite fly ash.

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Comparison of the processing conditions and the properties of granules made from fly ash of lignite and coal

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