ArcelorMittal digs into manganese sector[12-21-2007]
By Sherilee BridgeJohannesburg - ArcelorMittal and Kalagadi Manganese announced a strategic equity partnership that will result in the R4.2-billion development of South Africa's first major greenfield manganese project in 30 years.The companies said in a joint statement that th......
Manganese project holds value for Metmar[12-21-2007]
JOHANNESBURG. - The Kalagadi Manganese project - now a joint venture between Kalagadi Manganese and ArcelorMittal - is of "enormous £¦#118alue" to Metmar (JSE:MML) which holds a 4% stake in the project and a 10% stake in Kalahari Resources. Kalahari Resources owns 80% of Kalagadi ......
Percolation Leaching of Manganese Ore by Aqueous Sulfur Dioxide[12-21-2007]
The sulfite leaching of an Italian Mn ore has been carried out to determine the feasibility of extracting Mn by percolation leaching. Aqueous SO sub 2 has been found to be an effective leachant for Mn dissolution owing to fast dissolution kinetics and low temperatures. Benc......
Studies on reaction mechanism of bioleaching of manganese ore[12-21-2007]
A systematic study has been made to establish the reaction mechanism of bioleaching of manganese ore with the manganese reducing fungi, Penicillium citrinum, isolated from the top soil of an active manganese ore mine site. The fungi was utilised for dissolution of manganese......