Isingeniso
Embonini yezimayini, ukubuyiswa kwezinsimbi eziyigugu ngempumelelo ezingcolisweni kubaluleke kakhulu ekusetshenzisweni kwezinsiza kanye nokuvikelwa kwemvelo. Lolu cwaningo lugxile emayini yethusi e-Asia Ephakathi, lapho I-CarbonInqubo yokukhipha i-cyanidation ku-pulp (CIP) yasetshenziswa emisileni ye-flotation yethusi ukuze kutholakale igolide.
Izinqubo Zokuntanta
Imisila ye-copper flotation yaqale yacutshungulwa. Ngenqubo yokuntanta, i-flotation concentrate enegolide elingu-48.50 g/t kanye nethusi elingu-8.45%. Ngemuva kokuntanta, ama-tailings abe nethusi elingu-0.21%, phakathi kwawo i-cyanide-okuqukethwe kwethusi okungafinyeleleka kwakungu-0.12%.
I-CIP Cyanidation Process
Izinsalela ezintantayo zabe sezingaphansi kwe-carbon-in-pulp cyanidation. Kule nqubo, I-sodium cyanide ukusetshenziswa kwaba ngu-3.1 kg/t. Izinga lokucwiliswa kwegolide lifinyelele ku-74.71%. Lilonke izinga lokutholwa kwegolide ngenhlanganisela yokuntanta nokucwiliswa kwaba ngu-88.26%, kanti izinga lokutholwa kwethusi lalingama-62.16%.
Imiphumela Nezinzuzo
Ukusetshenziswa kwenqubo ye-CIP cyanidation ukuze imisila yethusi kulokhu izuze imiphumela emangalisayo. Okokuqala, ithole ngempumelelo igolide emisileni, okwandisa ukukhiqizwa kwegolide jikelele kwemayini. Okwesibili, le nqubo iphinde yathuthukisa izinga lokusebenzisa izinsiza zethusi, yehlisa ukumoshwa kwezinsimbi ezibalulekile. Ngaphezu kwalokho, uma kuqhathaniswa nezinye izindlela zokwelapha zemisila yendabuko, le nqubo inokusetshenziswa kwamandla okuphansi uma kuqhathaniswa nokusebenza okulula, okulungele ukulawula izindleko nokuvikelwa kwemvelo.
Isiphetho
Lolu cwaningo lwesibonelo lubonisa ukuthi inqubo ye-carbon-in-pulp cyanidation iyindlela engenzeka futhi ephumelelayo yokuthola igolide emisileni yethusi. Ngokuthuthukisa ukugeleza kwenqubo namapharamitha, izinga lokutholwa kwezinsimbi ezibalulekile lingathuthukiswa ngokwengeziwe, kunikeze ireferensi yezimayini ezifanayo ekubuyiseni izinsiza kanye nentuthuko esimeme.s
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