On a 5 kg bench scale, the separating of Mn-Ag from black manganese-silver ores by pyrite reducing was investigated. Leached Mn content of 98.3% (mass fraction
It has been more than ten years since the semi-solid processing (SSP) technique was put into commercial ap plications in the world. A lot of work on semi-solid
The adsorption difference of Pb2+ and Zn2+ in sandstone and breccia of Pb-Zn Mine of Yunnan Province was studied by using modem instrument analysis method and f