Yehlisa ukulahleka kwamakhemikhali esixazululo se-sodium cyanide - Vikela isisekelo

Yehlisa ukulahleka kwamakhemikhali esixazululo se-sodium cyanide - Vikela isisekelo sezixazululo ze-Sodium vikela inqubo ye-alkali yegolide yokuchithwa kwe-cyanidation No. 1 isithombe

Sodium i-cyanide izixazululo zidlala indima ebalulekile ekukhishweni kwezinsimbi eziyigugu, ikakhulukazi embonini yezimayini zegolide. Uma kubhekwa ukusetshenziswa kwazo kabanzi, ukugcina ukuzinza kwalezi zixazululo kubaluleka. Ukusebenza kwamakhemikhali e-sodium cyanide, nokho, kuyenza ithambekele ekulahlekelweni okukhulu ngaphandle kwezivikelo ezifanele.

Indima Enezici Eziningi Ye-Alkali Evikelayo

Ukulondoloza Ubuqotho Besixazululo

Ukwengeza inani elifanele le-alkali—elibizwa i-alkali evikelayo-kudingida udaba lokungazinzi. Isebenza njenge-ejenti yokuzinzisa, inciphisa ukulahlekelwa kwamakhemikhali I-sodium cyanide.

I-Neutralizing Reactive Compounds

I-alkali evikelayo nayo iyawuqeda amandla I-Carbon i-dioxide esixazululweni. Ngaphezu kwalokho, ilwa nama-asidi akhiqizwa yi-oxidation yamaminerali e-sulfide, igcina indawo yamakhemikhali elinganiselayo.

Izingibe Ze-Alkalinity Eyeqile

Naphezu kokubaluleka kwayo, izinga eliphezulu kakhulu le-alkalinity lingakhinyabeza inqubo yokukhipha. Kokukodwa, inciphisa izinga igolide elincibilika ngalo kusixazululo se-cyanide. Ukwengeza, kuholela ekwandeni kokusetshenziswa kwe-zinc ngesikhathi sokufuduka, okubalulekile ekubuyiseni igolide.

I-Lime: I-Alkali Evikelayo Ekhethwayo

Izindleko - Ukulawulwa Kwe-alkalinity Okusebenzayo

I-Lime iyinketho ethandwayo yokugcina i-alkalinity edingekayo ngenxa yezindleko zayo - ukusebenza kahle. Isebenza ngempumelelo imisebenzi ye-alkali evikelayo.

Izinzuzo Flocculation

Ngaphandle kokulawulwa kwe-alkalinity, i-lime isiza ekugelezeni kwamaminerali acolisekile nama-slime ku-pulp. Lokhu kuthuthukisa ukuhlukaniswa nokucubungula izimbiwa, kuthuthukisa ukusebenza kahle jikelele.

Ukulawula Okufanelekile Kwepharamitha Kuzilungiselelo Zezimboni

I-pH ne-Calcium oxide Concentration

Emkhiqizweni wezimboni, ukugcinwa kwe-pH yesixazululo phakathi kuka-11 no-12 kunconywa kakhulu. Lokhu kufezwa ngokulawula ngokucophelela ukuhlushwa kwe-calcium oxide yamahhala (CaO) kuya ku-1 - 3 izingxenye ngezinkulungwane eziyishumi. Ukulawulwa okunembile kwale mingcele kuyisihluthulelo sokuqinisekisa ukusebenza kahle kwe inqubo ye-cyanidation. Kwenyusa ukutholwa kwezinsimbi eziyigugu kuyilapho kunciphisa kokubili ukulahlekelwa kwamakhemikhali nezindleko zokukhiqiza.

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