Ƙwararren Ƙwararriyar Zinariya da Sodium Cyanide Synergistic Leaching na Babban Matsayin Zinare

A fannin hakar ma'adinai, ingantaccen haƙo zinare daga ma'adanai yana da matuƙar muhimmanci. Yayin da damuwar muhalli ke ƙaruwa, haɓakawa da amfani da hanyoyin haƙo mai lafiya ga muhalli sun zama babban abin da aka fi mayar da hankali a kai. Wannan labarin ya gabatar da sakamakon wani gwaji na haƙo zinare mai inganci ta amfani da sinadarin leaching mai lafiya ga muhalli da kuma Sodium Cyanide.

Eco-friendwararrun leaching leaching mai karagewa

Sodium cyanide

Gabatarwa

Masana'antar haƙar zinare ta daɗe tana dogara da hanyoyin cire zinare na gargajiya don cire zinare daga ma'adanai. Duk da haka, cyanide yana da guba sosai kuma yana haifar da manyan haɗarin muhalli da aminci. Saboda haka, akwai buƙatar gaggawa a nemo wasu hanyoyi ko haɓaka fasahohin da za su iya rage amfani da cyanide yayin da ake ci gaba da samun ingantaccen aikin cirewa. Maganin cire zinare mai kyau wanda aka yi amfani da shi a cikin wannan binciken madadin ne mai kyau, kuma an binciki tasirinsa na haɗin gwiwa tare da sodium cyanide don tantance yuwuwar amfani da wannan haɗin ga ma'adinan zinare mai inganci.

Kayayyakin Gwaji da Hanyoyi

Halayen Ore

Ma'adinan da aka yi amfani da shi a wannan gwaji yana da darajar zinari na 12.24 g/t da kuma azurfa 131.91 g/t. Waɗannan ingantattun maki sun mai da shi kyakkyawan ɗan takara don kimanta tasirin aikin leaching na aiki tare.

Yanayin Gwaji

• Nika fineness: ~ 74 μm lissafin 95%. Wannan niƙa mai kyau yana da mahimmanci yayin da yake ƙara sararin samaniya na barbashi na ma'adinai, yana sauƙaƙa ɗaukar leaching.

• Matsakaicin wakili na leaching na zinari mai dacewa da muhalli: 2 kg/t. An ƙayyade takamaiman adadin ta gwaje-gwaje na farko don inganta tasirin leaching.

• Matsakaicin sodium cyanide: 1 kg / t. Rage adadin cyanide yayin da ake ci gaba da aikin leaching yana ɗaya daga cikin manyan manufofin wannan binciken.

• Matsakaicin lemun tsami: 4 kg/t. Ana ƙara lemun tsami don daidaita pH na ɓangaren litattafan almara, wanda ke da mahimmanci ga kwanciyar hankali da ingantaccen tsarin leaching.

• Tsarin al'ada: 40%. Wannan maida hankali yana ba da yanayin da ya dace don reagents na leaching don amsawa tare da barbashi na tama.

• Lokacin bayarwa: 24h. Ana buƙatar isasshen lokacin leaching don tabbatar da cewa an fitar da gwal da azurfa gaba ɗaya.

Sakamakon gwaji

A ƙarƙashin yanayin gwaji da aka ambata a sama, an auna ƙimar zubar da zinare da azurfa. Sakamakon ya nuna cewa za a iya kiyaye ƙimar zubar da zinare da kyau a kashi 98.07%, kuma ƙimar zubar da azurfa ta kai kashi 86.30%. Waɗannan manyan ƙimar zubar da zinare suna nuna cewa hanyar zubar da zinare mai haɗin gwiwa ta amfani da maganin zubar da zinare mai lafiya ga muhalli da Sodium cyanide yana da tasiri sosai ga wannan ma'adinan zinare mai inganci.

tattaunawa

Ana iya danganta ƙimar leaching mai girma da aka samu a cikin wannan gwaji ga haɗin gwiwar aikin ma'aikacin leaching na zinare mai dacewa da muhalli da sodium cyanide. Wakilin abokantaka na muhalli na iya haɓaka sake kunnawa saman tama, yana sauƙaƙa wa cyanide don amsawa da zinari da azurfa. A lokaci guda, rage yawan adadin sodium cyanide ba wai kawai yana taimakawa wajen rage haɗarin muhalli ba amma yana rage farashin samarwa zuwa wani matsayi. Daidaita pH ta lemun tsami shima yana taka rawa mai kyau wajen haɓaka halayen leaching.

Kammalawa

Wannan binciken yana nuna yuwuwar yin amfani da hanyar leaching na haɗin gwiwa tare da wakili na leaching na zinari mai dacewa da muhalli da sodium cyanide don babban darajar zinariya. Yawan leaching na zinariya da azurfa da aka samu a ƙarƙashin ingantattun yanayi suna nuna babban yuwuwar aikace-aikacen masana'antu. Wannan hanya ba wai kawai inganta haɓakar haɓakar haɓakar haɓaka ba amma har ma tana rage tasirin muhalli da ke hade da cyanide na al'ada - matakan leaching kawai. Ana iya yin ƙarin bincike don haɓaka sigogin tsari gaba da faɗaɗa iyakokin aikace-aikacen zuwa nau'ikan nau'ikan zinare daban-daban.