| Autor: |
Visa Isteri, Katja Ohenoja, Christiane Rößler, Holger Kletti, Pekka Tanskanen, Mirja Illikainen, Theodore Hanein, Timo Fabritius |
| Jazyk: |
angličtina |
| Rok vydání: |
2024 |
| Předmět: |
|
| Zdroj: |
Cement, Vol 16, Iss , Pp 100098- (2024) |
| Druh dokumentu: |
article |
| ISSN: |
2666-5492 |
| DOI: |
10.1016/j.cement.2024.100098 |
| Popis: |
The production of AYF (alite-ye'elimite-ferrite) clinker was tested at laboratory and semi-industrial scale using by-products from the metallurgical industry: AOD slag; ladle slag; and fayalitic slag. Alite could be produced with ye'elimite using fluorine originating from AOD (argon oxygen decarburisation) slag as a mineraliser. After a successful laboratory demonstration, the clinker production was scaled to a semi-industrial trial. It was discovered that the reason for the absence of alite formation in a semi-industrial demonstration was that the AOD slag from the specific batch did not perform the designed mineralisation effect for alite formation. This study demonstrates that alite-ye'elimite can be produced at 1260 °C at laboratory scale by using fluorine mineralisation originating from an industrial by-product – in this case, AOD slag. However, the utilisation of by-products for delicate reactions requires detailed determination of the properties of the slag, as the variability from the same source yields different clinker chemistries and mineral phases. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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