A study of the Kladno blast-furnace slag: History, characterization and possible utilization

0505899 - ÚSMH 2020 RIV CZ eng J - Článek v odborném periodiku
Perná, Ivana - Šupová, Monika - Hanzlíček, Tomáš
A study of the Kladno blast-furnace slag: History, characterization and possible utilization.
Waste Forum. Roč. 12, č. 1 (2019), s. 28-36. ISSN 1804-0195
Grant ostatní: AV ČR(CZ) StrategieAV21/5
Program: StrategieAV
Institucionální podpora: RVO:67985891
Klíčová slova: blast-furnace slag * alkalization * infrared analysis
Obor OECD: Environmental sciences (social aspects to be 5.7)
Způsob publikování: Open access
http://www.wasteforum.cz/cisla/WF_1_2019.pdf

This paper mainly deals with the reuse of the blast-furnace slag at the Kladno town deposit and the identification of the changes in its composition occurring during its treatment. The original technology from the beginning of the 20th century was based on the possibility of slag reuse by means of slaked lime. This idea has been modified by the application of an alkali silicate solution instead. Alkalization involves extremely fast hardening accompanied by important changes in mineral composition with newly formed crystal phases and a certain share of amorphous participants in the solidified mass. The paper describes the alkalization of blast-furnace slag and the transformation of raw-material crystal phases into new types of sorosilicate in the solidified matter.
Trvalý link: http://hdl.handle.net/11104/0297250