- Tytuł:
- Considering the influence of calcium on EAF dust acid leaching
- Autorzy:
-
Havlik, Tomas
Miskufova, Andrea
Turek, Peter
Urban Kobialkova, Ivana - Powiązania:
- https://bibliotekanauki.pl/articles/110605.pdf
- Data publikacji:
- 2019
- Wydawca:
- Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
- Tematy:
-
EAF-dust
leaching
sulphuric acid
industrial waste
zinc
iron
calcium
hydrometallurgy - Opis:
- This work focuses on the hydrometallurgical processing of EAF steelmaking dust in laboratory conditions. The behavior of calcium under the influence of sulphuric acid as the leaching agent is discussed. Due to calcium presence the acid is continuously consumed, gradually leaching the calcium phase from EAF dust as well as other zinc- and iron-containing phases. A thorough composition analysis of the input sample of EAF dust was performed. A kinetic study of calcium showed that its leaching is a very fast process, but most of the calcium reacting with sulphuric acid is precipitated from the solution in the form of CaSO4∙2H2O. This causes greater sulphuric acid consumption, and therefore it is necessary to study the calcium behavior during processing of EAF dust. This work is narrowed with calcium behavior during leaching of EAF dust in sulphuric acid and effect of calcium to extraction other metals into solution.
- Źródło:
-
Physicochemical Problems of Mineral Processing; 2019, 55, 2; 528-536
1643-1049
2084-4735 - Pojawia się w:
- Physicochemical Problems of Mineral Processing
- Dostawca treści:
- Biblioteka Nauki
Artykuł