Atenuación de la oxidación del lodo pirítico de la balsa de lodos de Cueva de la Mora (Almonaster, Huelva)ensayos de laboratorio
- Ayora Ibáñez, Carlos
- Nieto Liñán, José Miguel
- Pérez López, Rafael
- Cama, J.
ISSN: 0213-683X
Argitalpen urtea: 2004
Zenbakia: 37
Orrialdeak: 239-242
Mota: Artikulua
Beste argitalpen batzuk: Geogaceta
Laburpena
The addition of alkaline substances is a technique commonly used to prevent acid production generated by the weathering of sulphide-rich sludge. In this work, we show the effectiveness of fly ash, a waste of coal combustion, as an acid neutralizing residue, by means of the construction of a leaching saturated column fills with sulphide sludge and fly ash. In addition, in order to understand the behaviour of both wastes inside the column, a fly ash leaching test (leachates reach a pH>10) and two flow-through experiments at pH 9 were carried out to calculate oxidative dissolution rates of pyritic sludge in presence of the fly ash.