Sehlopha sa Theknoloji se tsoang UrbanMines se hatelletse thuto ea ho ntšoa ha koporo ho tloha ho smelter slag, e kentsoeng ka sulphating. Sulphating ea slag e ne e etsoa kepyritemehatla e tsepamisitsoeng kapa e phaphametseng mocheso ho tloha ho 500 ho isa ho 650°C, 'me calcine e hlahisitsoeng e ne e le leached ka metsi.Liphello li bontšitse hore palo e kholo ea leaching ea koporo (70-73%) e fumanoa ho calcine, e fumanoang ka lihora tse peli le tse tharo tsa sulphating ho 550 o C. Mokhoa ona o khetha kaha ke 3-5% feela ea tšepe e kolobisitsoeng.Ntle le mocheso oa sulphating, ho ile ha fumanoa hore phello e kholo ho leaching ea koporo e na le mehatla ea pyrite / flotation: ratio.Litholoana tse ntle ka ho fetisisa li ile tsa finyelloa ka sulphating ea 5.00 g slag le 2.00 g ea pyrite kapa 3.00 g ea mehatla.
Ho qhibilihisa Koporo ka ho Eketsa
Bulela moea le ho o futhumatsa ho etsa tšepe lepyritefihla boemong ba oxidation
2CuFeS2 + 3O2→2CuS + 2FeO + 2SO2
↓
Chesa calciate, quartz le pyrite ho 1100℃
CuS + S（ka pyrite）+ O2→Cu2S + SO2
Ho sa le joalo, ha cupric sulfide e ntse e phahama
CaCO3 + SiO2→CaSiO3 + CO2
CaSiO3 + FeO + SiO2→2(Fe,Ca)SiO3
Kahoo hlahisa iron oxide e kopantsoeng le litšifa tsa setofo ebe u li arola
↓
Ntša cupric sulfide 'me u butsoe moeeng
Cu2S + O2→2Cu + SO2↑
↓
Ha ho hlokahala, etsa motlakase o eketsehilengolyte nang le sulfuric acid le cupric sulfide solution
↓
Hlakola khauta, silevera le polatinamo ho tsoa linthong tse sa hloekang tse oeleng
↓
Boloka loto e ntšitsoeng tšepeng sebakeng se kaholimo ho sebaka se qhibilihang
Koporo e nang le ntlha e phahameng ea ho qhibiliha e tla arohana ebe e phaphamala ho ea holimo