Sodium cyanide Leaching na Zinariya daga Low - Grade Zinare - Bearing Tailings

A fannin haƙar zinare da haƙowa, ingantaccen dawo da zinare daga ma'adanai masu ƙarancin daraja ya zama babban batu na bincike. Yayin da ma'adinan zinare masu daraja ke raguwa a hankali, amfani da albarkatun ƙasa masu ƙarancin daraja ya jawo hankali sosai. Wannan labarin ya mayar da hankali kan tsarin cire zinare daga ƙananan ma'adanai masu ɗauke da zinare, da nufin samar da bayanai masu mahimmanci game da wannan fanni.

1. Gabatarwa

Zinariya maras daraja - wutsiya masu ɗaukar nauyi, waɗanda sune ragowar bayan aikin farko na kayan aikin gwal, har yanzu suna ɗauke da takamaiman adadin gwal. Saboda hadadden ma'adinan ma'adinai da ƙananan ma'auni na zinariya, hakar zinariya daga waɗannan wutsiya yana da kalubale. Koyaya, tare da ci gaba da haɓaka fasahar hakar, yana yiwuwa a iya dawo da zinari ta fuskar tattalin arziki daga gare su. Cyanide leaching ya kasance hanyar da aka fi amfani da ita a cikin masana'antar hakar gwal don ingantacciyar inganci da zaɓin haɓakar hakar gwal.

2. Hanyoyin Gwaji

2.1 Misali Shiri

An fara amfani da wutsiyar ma'adinan zinare da aka yi amfani da su a wannan gwajin. Granulation muhimmin mataki ne na kafin a yi magani domin zai iya inganta hulɗar da ke tsakanin ƙwayoyin wutsiyar da kuma sinadarin leaching, ta haka ne zai inganta ingancin leaching. Bayan granulation, wutsiyar ta shirya don gwajin leaching na Cyanide na gaba.

2.2 Rigakafi

An yi wa wutsiyoyin ma'adinan zinare magani da maganin alkaline na tsawon awanni 8. Wannan matakin kafin a yi masa magani yana da matuƙar muhimmanci domin zai iya taimakawa wajen wargaza wasu ma'adanai da ke cikin wutsiyoyin, wanda hakan zai sa zinaren ya fi sauƙin samu ga sinadarin cyanide . Haka kuma yana daidaita yanayin pH na wutsiyoyin, wanda hakan yana da amfani ga amsawar cire cyanide daga baya.

2.3 Cyanide Leaching

An yi amfani da sinadarin Sodium Cyanide a matsayin maganin cire sinadarin. Adadin sinadarin Sodium Cyanide da aka yi amfani da shi shine 1 kg/t. Lokacin cire sinadarin an saita shi ne awanni 24, kuma a lokacin cire sinadarin, an kiyaye pH na maganin a cikin kewayon 10.0 - 12.0. Darajar pH da ta dace ta zama dole don tabbatar da daidaiton sinadarin cyanide da kuma ingancin yadda sinadarin ke cire sinadarin.

3. Sakamakon Gwaji

Sakamakon gwaji ya nuna cewa a ƙarƙashin yanayin da aka ambata a sama, ƙimar zubar da zinare na iya kaiwa sama da kashi 60%. Wannan yana nuna cewa haɗakar tsarin maganin alkaline da zubar da cyanide yana da tasiri wajen cire zinare daga wannan takamaiman ma'adinan zinare. Maganin alkaline na awanni 8, 1 kg/t na maganin sodium cyanide , lokacin zubar da sa'o'i 24, da kewayon pH na 10.0 - 12.0 sun samar da ingantaccen saitin sigogi don wannan tsarin zubar da zinare.

4. Muhimmanci da Gabatarwa

Nasarar aikace-aikacen wannan hanyar leaching na cyanide don ƙananan gwal mai ƙima - wutsiya mai ɗaukar nauyi yana da tasiri mai mahimmanci. Na farko, yana ba da hanya mai amfani don sake sarrafa gwal daga wutsiya, rage sharar gida da haɓaka amfani da albarkatu. Na biyu, zai iya haifar da fa'idar tattalin arziki ga kamfanonin hakar ma'adinai ta hanyar dawo da zinariya mai daraja daga wutsiyar da aka jefar a baya.

A nan gaba, za a iya yin ƙarin bincike don inganta wannan tsari. Misali, binciko nau'ikan pretreatments daban-daban don inganta ƙimar 'yantar da zinare, ko nazarin amfani da madadin leaching wakilai don rage tasirin muhalli na cyanide. Bugu da ƙari, ana buƙatar yin bincike game da amfani da wannan fasaha zuwa nau'ikan nau'ikan zinare marasa daraja - wutsiya masu ɗauke da ita don sanin kasancewarta a duniya.

A ƙarshe, tsarin leaching na cyanide da aka yi nazari a nan yana ba da mafita mai ban sha'awa don hakar zinare daga ƙananan zinare - masu ɗaukar wutsiya, da ci gaba da bincike da ingantawa a wannan yanki zai ba da gudummawa ga ci gaba mai dorewa na masana'antar hakar gwal.