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

A cikin masana'antar hakar ma'adinai, ingantaccen hakar zinare daga ma'adinai yana da matuƙar mahimmanci. Yayin da matsalolin muhalli ke girma, haɓakawa da aikace-aikacen hanyoyin hakar muhalli sun zama babban abin da aka fi mayar da hankali. Wannan labarin yana gabatar da sakamakon gwajin leaching na haɗin gwiwa akan taman gwal mai girma ta amfani da wakili mai lalata muhalli da kuma sodium Cyanide.

Eco-friendwararrun leaching leaching mai karagewa

sodium cyanide

Gabatarwa

Masana'antar hakar gwal ta dade ta dogara da tsarin leaching na al'ada na cyanide don fitar da zinari daga ma'adinai. Koyaya, cyanide yana da guba sosai kuma yana haifar da haɗarin muhalli da aminci. Sabili da haka, akwai buƙatar gaggawa don nemo wasu hanyoyi ko haɓaka fasahar da za su iya rage amfani da cyanide yayin da ake ci gaba da haɓaka haɓakar haɓaka. Wakilin leaching na zinari mai dacewa da muhalli da aka yi amfani da shi a cikin wannan binciken shine madaidaicin madaidaici, da tasirin sa tare da sodium cyanide an gudanar da bincike don sanin yiwuwar amfani da wannan haɗin zuwa ga ma'aunin zinari mai daraja.

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 gwajin da aka ambata a sama, an auna ƙimar leaching na zinariya da azurfa. Sakamakon ya nuna cewa za a iya kiyaye adadin leaching na zinari a tsayayyen kashi 98.07%, kuma adadin kuɗin azurfa ya kai 86.30%. Waɗannan ƙimar leaching masu girma suna nuna cewa hanyar leaching na haɗin gwiwa ta amfani da wakili na leaching na zinare da ke da alaƙa da muhalli. Sodium cyanide yana da tasiri sosai ga wannan ma'aunin zinare mai daraja.

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.