Kooxda Tiknoolajiyada ee ka socota UrbanMines ayaa xoogga saaray daraasadda ka soo saarista naxaasta ee ka sameysan smelter slag, kaas oo lagu sakhiray sulfate. Sulfating of slag waxaa sameeyaypyritexoogga saar ama dabada sabbaynaya heerkul ka 500 ilaa 650°C, iyo calcine ka dhashay waxaa lagu daadiyey biyo.Natiijooyinku waxay muujiyeen in leaching ugu badnaan naxaasta (70-73%) laga helay calcine, oo la helay laba-iyo saddex saacadood sulphating at 550 o C. Geeddi-socodku waa xulasho maadaama 3-5% oo keliya birta la daadiyay.Marka lagu daro heerkulka sulphating, waxaa la ogaaday in saameyn weyn oo ku saabsan leaching copper ay leedahay pyrite / dabada sabbeynta: saamiga.Natiijooyinka ugu wanaagsan waxaa lagu gaaray sulphating of 5.00 g slag leh 2.00 g of pyrite ama 3.00 g oo dabo ah.
Naxaasta oo lagu dhalaalinaayo wax lagu daro
Afuufi oo kuleyli si aad u sameysid bir iyopyritegaaro heerka oksaydheynta
2CuFeS2 + 3O2→2Cus + 2FeO + 2SO2
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Kuleyli calciate, quartz iyo pyrite ilaa 1100℃
CuS + S(ee pyrite)+ O2→Cu2S + SO2
Dhanka kale sida cupric sulfide ayaa soo da'aya
CaCO3 + SiO2→CaSiO3 + CO2
CaSiO3 + FeO + SiO2→2 (Fe, Ca) SiO3
Sidaas darteed soo saar oksaydh-xadiid ah oo lagu qasay digada kariyaha oo kala saar
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Soo saar sulfide da'aya oo hawo ku afuufo
Cu2S + O2→2Cu + SO2↑
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Marka loo baahdo, samee koronto dheeri aholytoo leh sulfuric acid iyo cupric sulfide
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Dib u warshadaynta dahabka, qalinka iyo platinum ee walxaha wasakhda ah ee degdega ah
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Ku kaydi macdanta rasaasta laga soo saaro macdanta meel ka sarraysa barta dhalaalka
Copper leh barta dhalaalaysa sare ayaa kala sooci doonta oo kor u sabayn doonta