Ukuqapha Nokulawulwa Kwe-Sodium Cyanide Concentration in Gold Production

Isingeniso

Embonini yezimayini zegolide nokumba, ukusetshenziswa kwe I-sodium cyanide enqubweni ye-cyanidation kuyindlela eyamukelwa kabanzi yokuthola igolide etsheni. Ukuhlushwa kwe I-Sodium Cyanide esixazululweni se-leaching idlala indima ebalulekile ekusebenzeni kahle nasekuphumeleleni kwe Ukukhishwa kwegolide. Ukuqapha okunembile nokulawulwa kwalokhu kugxila kubalulekile ukuze kuqinisekiswe ukutholakala kwegolide elifanele, ukunciphisa umthelela wemvelo, nokugcina ukusebenza kahle kwezomnotho komsebenzi.

Ukubaluleka Kokugxilwa Kwe-Sodium Cyanide Ekukhiqizeni Igolide

I-Gold Dissolution Kinetics

Ukuncibilika kwegolide ku i-cyanide Isixazululo silandela ukusabela kwamakhemikhali okuyinkimbinkimbi. Kwanele i-sodium cyanide ukugxila kuyadingeka ukuze uqhube ukusabela phambili. Ukugxila okuphansi kwe-cyanide kungase kubangele ukuncibilika kwegolide kancane, okuholela ekukhishweni okungaphelele kanye nokuncipha kwesivuno segolide. Ngakolunye uhlangothi, ukugxilisa ingqondo ngokweqile kungabangela ukusetshenziswa kwamakhemikhali okungadingekile, ukwanda kwezindleko, kanye nezingozi ezingase zibe khona emvelweni.

Izici ze-Ore

Izinhlobo ezahlukene ze-ores zinezimpendulo ezihlukahlukene ku-cyanide. Insimbi enokuqukethwe okuphezulu kwe-sulfide noma i-mineralogy eyinkimbinkimbi ingase idinge ukugxila okuphezulu kwe-cyanide ukuze kukhishwe igolide ngempumelelo. Ukuqapha ukugxiliswa kwe-cyanide kuvumela abaqhubi ukuthi balungise inqubo ngokuya ngezici ezithile zensimbi ecutshungulwayo, okwandisa ukutholakala kwegolide kuyilapho kunciphisa udoti wamakhemikhali.

Izindlela Zokuqapha Ze-Sodium Cyanide Concentration

I-Titration

I-Titration iyindlela yendabuko nesetshenziswa kabanzi yokukala ukugcwala kwe-cyanide. Ngale ndlela, isisombululo esijwayelekile se-nitrate yesiliva sengezwa kusampula equkethe i-cyanide. Ama-ion esiliva ahlangana nama-cyanide ions akhe inkimbinkimbi ye-cyanide esiliva. Isiphetho se-titration sinqunywa kusetshenziswa inkomba, futhi ukuhlushwa kwe-cyanide kungabalwa ngokusekelwe kumthamo we-nitrate yesiliva esetshenzisiwe. Nakuba ilula futhi ingabizi kakhulu, i-titration inemikhawulo ethile, njengokudla isikhathi futhi idinga ama-opharetha anamakhono ukuze aqinisekise imiphumela enembayo.

I-Ion - Ama-Electrodes Akhethiwe

Ama-electrode e-Ion (ama-ISE) anikeza inketho yokuqapha esheshayo neqhubekayo. I-cyanide - i-electrode ekhethiwe icwiliswa esixazululweni, futhi umehluko ongaba khona ukhiqizwa ngokusekelwe emsebenzini we-cyanide ion esixazululweni. Lawa mandla abe eselinganiswa futhi ahlotshaniswa nokuhlushwa kwe-cyanide. Ama-ISE ahlinzeka ngedatha yesikhathi sangempela, evumela ukulungiswa okusheshayo kokwengezwa kwe-cyanide kule nqubo. Kodwa-ke, zingadinga ukulinganisa okuvamile futhi zingathinteka ngokuphazamisa izinto esixazululo.

I-Spectrophotometry

Izindlela ze-Spectrophotometric zincike ekumunceni ukukhanya ngezinhlanganisela ezihlobene ne-cyanide. Isibonelo, amanye ama-reagents asabela nge-cyanide ukuze akhe izingxube ezinemibala, futhi ukumunca kwalezi zinkimbinkimbi kubude obuthile obuthile kuyalinganiswa. Ukugxila kwe-cyanide kunganqunywa kusuka kwijika lokulinganisa. I-Spectrophotometry inikeza ukuzwela okuphezulu nokunemba, kodwa ngokuvamile idinga ukulungiswa kwesampula okuyinkimbinkimbi kanye nezinsimbi.

Amasu okulawula okugxilwa kwe-Sodium Cyanide

Okuzenzakalelayo Dosing Systems

Amasistimu okudosa okuzenzakalelayo aya ngokuya aduma ezitshalweni zegolide zesimanje. Lezi zinhlelo zifakwe izinzwa ezihlala ziqapha ukugxila kwe-cyanide kusixazululo se-leaching. Ngokusekelwe ekugxiliseni okulinganiselwe kanye namanani okuhlosiwe asethwe ngaphambilini, isistimu yokudosa ilungisa ngokuzenzakalelayo inani le-sodium cyanide engezwe enqubweni. Lokhu kuqinisekisa ukuthi ukugxila kwe-cyanide kuhlala ngaphakathi kwebanga elifanele, kunciphisa iphutha lomuntu futhi kuthuthukise ukuzinza kwenqubo.

Ukuthuthukiswa Kwenqubo Ngokusekelwe Kudatha Yangempela - Yesikhathi

Ngokufika kobuchwepheshe obuthuthukisiwe bokulawula inqubo, abakhiqizi begolide manje sebengakwazi ukuhlanganisa idatha yesikhathi sangempela ye-cyanide nezinye izinhlaka zenqubo ezifana ne-pH, izinga lokushisa, nesivinini sokuyaluza. Ngokuhlaziya le datha ndawonye, ​​opharetha bangakwazi ukuhlonza ukuhlobana futhi bathuthukise inqubo iyonke ye-cyanidation. Isibonelo, ukulungisa i-pH yesixazululo kungathinta ukucaciswa kwe-cyanide nokusebenza kwayo kabusha negolide, futhi ukulawulwa okudidiyelwe kwale mingcele kungaholela ekukhishweni kwegolide okusebenza kahle kakhulu.

Ukucatshangelwa Kwemvelo Nokuphepha

I-sodium cyanide iyikhemikhali enobuthi obukhulu, futhi imithetho eqinile yezemvelo nezokuphepha ilawula ukusetshenziswa kwayo embonini yegolide. Ukuqapha okunembile nokulawulwa kokugxilwa kwe-cyanide akuthuthukisi ukusebenza kahle kwe-cyanide kuphela Ukukhiqizwa kwegolide kodwa futhi ukusiza ukunciphisa ingozi yokuvuza kwe-cyanide kanye nokungcoliswa kwemvelo. Ukwengeza, ukuphatha nokugcinwa okufanele kwe-sodium cyanide, kanye nezinhlelo zokusabela ezimweni eziphuthumayo uma kwenzeka kuchitheka, kuyizingxenye ezibalulekile zohlelo oluphelele lokulawula ukuphepha ezimayini zegolide.

Isiphetho

Ukuqapha nokulawulwa kokugxilwa kwe-sodium cyanide ekukhiqizeni igolide kuyingxenye yempumelelo yenqubo ye-cyanidation. Ngokusebenzisa amasu okuqapha athuthukile namasu okulawula asebenzayo, abakhiqizi begolide bangafinyelela amanani aphezulu okuthola igolide, izindleko zokukhiqiza eziphansi, nokusebenza okungcono kwemvelo. Njengoba imboni yezimayini zegolide iqhubeka nokuthuthuka, ucwaningo olwengeziwe kanye nentuthuko kule ndawo ngokungangabazeki izoholela ezindleleni ezisebenza kahle neziqhubekayo zokumba igolide.