Aikace-aikace da Muhimmancin Sodium Cyanide a cikin Tsarin Ma'adinai

sodium cyanide, wani fili na inorganic, yana taka muhimmiyar rawa a cikin tsarin cyanidation a cikin masana'antar hakar gwal. Aikace-aikacen sa sun bambanta kuma suna da mahimmanci wajen fitar da karafa masu daraja daga ma'adinai.

Zinare Ore Leaching

Daya daga cikin amfanin farko Sodium cyanide yana cikin leaching na zinariya. A cikin wannan tsari, takin zinare, bayan an niƙa shi kuma a niƙa shi cikin ɓangarorin ƙwararru, ana haɗa shi da wani maganin ruwa mai ɗauke da ruwa. sodium Cyanide. Halin sinadarai yana faruwa tsakanin sodium cyanide da zinare a cikin ma'adinai, wanda ya haifar da samuwar ions cyanide na zinariya, wanda aka narkar da su a cikin maganin. Wannan tsari, wanda aka sani da Cyanide leaching, mataki ne mai mahimmanci kuma mai mahimmanci a cin gajiyar tama na gwal. Ana iya sauƙaƙe ma'aunin sinadarai don amsawa tsakanin zinariya, oxygen, da sodium cyanide a cikin maganin ruwa mai ruwa kamar: 4Au + 8NaCN + O₂ + 2H₂O → 4Na[Au(CN)₂] + 4NaOH. Wannan halayen yana ba da damar zinari, wanda sau da yawa yana kasancewa a cikin ƙananan ƙididdiga a cikin ma'adinai, don a narkar da shi yadda ya kamata kuma ya rabu da sauran ma'adanai.

Hakar Zinariya

Bayan aikin leaching na cyanide, ana tattara maganin da ke ɗauke da narkar da zinare kuma ana yin ƙarin jiyya don zurfafa zinar. Sodium cyanide yana aiki azaman hazo a wannan matakin. Yana amsawa tare da ions chloride na gwal a cikin maganin don samar da hadaddun cyanide na zinariya. Bayan haka, ana amfani da hanyoyi daban-daban don fitar da gwal daga waɗannan rukunin gidaje. Wata hanya ta gama gari ita ce amfani da ƙurar zinc ko wasu abubuwan ragewa. Zinc yana kawar da zinare daga hadadden cyanide na gwal, wanda ke haifar da hazo na gwal na ƙarfe. Ana iya wakilta martanin kamar: 2Na[Au(CN)₂] + Zn → 2Au + Na₂[Zn(CN)₄]. Wannan tsari yana ba da damar dawo da zinari mai girma - mai tsabta daga maganin leach.

Leaching na Sauran Karfe Karfe

Bayan zinariya, sodium cyanide kuma yana samun aikace-aikace a cikin leaching na sauran karfe. Misali, idan aka yi la'akari da ma'adinan azurfa, bayan leaching na cyanide, ana iya amfani da sodium cyanide a matsayin wakili mai cirewa don fitar da azurfa daga maganin. Kama da Cire zinaren tsari, azurfa siffofi na cyanide complexes a gaban sodium cyanide. Halin da ke tsakanin azurfa, sodium cyanide, da oxygen a cikin maganin ruwa yana kama da na zinariya: 4Ag + 8NaCN + O₂ + 2H₂O → 4Na[Ag(CN)₂] + 4NaOH. Ana iya ƙara sarrafa waɗannan rukunin cyanide na azurfa don samun azurfar ƙarfe.

A ƙarshe, sodium cyanide wani sinadari ne da ba makawa a cikin sarrafa ma'adinai masana’antu, musamman wajen hako karafa masu daraja irinsu zinari da azurfa. Duk da haka, yana da mahimmanci a lura cewa saboda yanayinsa mai guba, dole ne a aiwatar da tsauraran matakan kariya da kare muhalli yayin amfani da shi wajen ayyukan hakar ma'adinai don hana duk wani lahani ga lafiyar ɗan adam da muhalli.