Sodium cyanide, k'hemik'hale e loketseng ho chesoa ha merafo ea khauta

Sodium cyanide, k'hemik'hale e loketseng ho chesoa ha merafo ea khauta Cyanide Gold Mining Leaching Extraction No. 1picture

Le lefatseng la tsa Meepo ea Khauta, ho ntšoa ha khauta tšepeng ke mokhoa o rarahaneng le o tsotehang. K'hemik'hale e 'ngoe e bapalang karolo ea bohlokoa ts'ebetsong ena ke Sodium cyanide. Ka lilemo tse fetang lekholo, sodium cyanide e ’nile ea e-ba karolo ea bohlokoa ha ho ntšoa khauta tšepeng, ’me ho fihlela kajeno, e ntse e le mokhoa o sebetsang ka ho fetisisa oa ho ntša khauta mesebetsing e mengata ea merafo ea khauta.

Lintho tsa motheo tsa sodium cyanide

Sodium cyanide (NaCN) ke motsoako o nang le sehlopha sa cyano, se nang le carbon e kopantsoeng ka makhetlo a mararo le naetrojene. E ka ba teng ka mefuta e 'meli e tiileng le ea metsi. Tiileng Sodium cyanide Hangata e hlahisoa e le briquette e tšoeu ea crystalline, e tsejoang hape e le "cyanoid." Li-briquette tsena li qhibiliha haholo, li etsa hore ho be bonolo ho li sebelisa mosebetsing oa merafo. Mokelikeli oa sodium cyanide, ka lehlakoreng le leng, o isoa libakeng tsa merafo ka morero - litanka tsa ISO tse hahiloeng tse loketseng lipalangoang tsa litsela kapa tsa terene.

Kamoo Sodium Cyanide e Sebelisang Kateng Merafong ea Khauta

Mokhoa oa ho sebelisa sodium cyanide ho ntša khauta ore o tsejoa e le Cyanide Leaching kapa cyanidation. Mona ke kakaretso ea mohato ka mohato oa hore na ts'ebetso ena e sebetsa joang:

  1. Tokiso ea Ore: Ntlha ea pele, ore e nang le khauta e siloa hore e be phofo e ntle ho sebelisoa mechine ea indasteri. Sena se eketsa bokaholimo ba ore, e leng se lumellang ho kopana hantle le tharollo ea sodium cyanide.

  2. Leaching: Ore e sithabetseng e ntan'o eketsoa ka tharollo e hlokometsoeng ka hloko ea sodium cyanide. Nakong ea ts'ebetso ena, limolek'hule tsa khauta li theha maqhama a matla haholo le sodium cyanide, e fetohang metsi - e qhibilihang. Karabelo ea lik'hemik'hale e ka emeloa ke equation: 4 Au + 8 NaCN+O₂ + 2 H₂O = 4 Na(Au(CN)₂)+4 NaOH. Karabelong ena, khauta e kopana le sodium cyanide, oksijene le metsi ho etsa khauta e qhibilihang - cyanide complex, sodium aurocyanide (Na(Au(CN)₂)).

  3. Ho arohana: Ka mor'a hore khauta e qhibilihe ka har'a tharollo, mohato o latelang ke ho e arola ho tloha ho ore e setseng le litšila tse ling. Mokhoa o mong o tloaelehileng ke oa ho sebelisa zinki ho ntša khauta ka har'a tharollo. Zinc e sebetsana le khauta - cyanide complex, e tlosa khauta le ho etsa zinki - cyanide complex, kahoo e fetola khauta hore e be sebopeho se tiileng. Mokhoa o mong ke ho sebelisa khabone e kentsoeng ho khabisoa ka khauta - cyanide complex ho tsoa tharollong. Khabone e tletseng khauta e ntse e sebetsoa hape ho khutlisa khauta.

Melemo ea ho Sebelisa Sodium Cyanide Meepong ea Khauta

  1. Litšenyehelo - Ka katleho: Sodium cyanide e batla e le theko e tlaase ha e bapisoa le mekhoa e meng ea Khauta ea Khauta. Sena se etsa hore e be khetho e khahlehang bakeng sa lik'hamphani tsa merafo, haholo-holo ha li sebetsana le ts'ebetso e kholo kapa merafo ea boemo bo tlase.

  2. Ho Atleha Haholo: Cyanide leaching e ka finyella litekanyetso tse phahameng tsa ho ntšoa ha khauta, hangata e fetang 90% maemong a mangata. Sena se bolela hore kgauta e ngata e ka fumanwa lejweng, e leng ho eketsang phaello ya tshebetso ya merafo.

  3. Solubility: Sodium cyanide e na le solubility e ntle ka metsing, e lumellang hore e phatlalatse ka potlako le ho itšoara ka khauta e ka har'a ore, e thusang ho potlakisa ts'ebetso ea ho ntša.

Litlhokomelo tsa Polokeho le Tikoloho

Ke habohlokoa ho hlokomela hore sodium cyanide ke lik'hemik'hale tse chefo haholo. Leha ho le joalo, indasteri ea merafo e na le liprothokholo tse tiileng tsa polokeho ho netefatsa ts'ebetso e bolokehileng ea sodium cyanide. Ebile, Amerika Leboea le Australia, ha ho so be le lefu le amanang le cyanide har'a basebetsi ba morafong ka lilemo tse fetang 100. Ha ba sebetsana le sodium cyanide, basebetsi ba lokela ho roala lisebelisoa tse loketseng tsa ho itšireletsa, tse kang limaske ho itšireletsa khahlanong le lerōle le tsamaisoang ke moea kapa likhase tse nang le cyanide e ngata.

Ho latela pono ea tikoloho, taba e kholo ke monyetla oa hore cyanide e kene ka metsing a ka holim'a metsi. Litlhapi li na le kutloelo-bohloko haholo ho cyanide ho feta batho, 'me tšebeliso e fosahetseng ea cyanide e ka ba le phello e kotsi tikolohong ea tlhaho. Ho fokotsa kotsi ena, lik'hamphani tsa merafo li sebelisa mekhoa e fapaneng ho laola le ho phekola cyanide - e nang le tharollo. Ka mohlala, ba ka 'na ba sebelisa limela tsa phekolo sebakeng seo ho tlosa chefo ea cyanide pele ba ntša metsi. Ho feta moo, merafo e mengata e na le lisebelisoa tsa ho thibela ho tsoa ka phoso ha cyanide - e nang le tharollo.

fihlela qeto e

Sodium cyanide e bile, 'me e ntse e tsoela pele ho ba, k'hemik'hale ea bohlokoa indastering ea merafo ea khauta. Bokhoni ba eona ba ho ntša khauta tšepeng ka theko e tlaase bo entse hore e be karolo ea bohlokoa mesebetsing ea morao-rao ea merafo ea khauta. Le hoja matshwenyeho a polokeho le tikoloho a amahanngwa le tshebediso ya yona, indasteri ya merafo e entse kgatelopele e kgolo mabapi le ho hlahisa mekgwa e bolokehileng ya ho tshwara le maano a sebetsang a taolo ya tikoloho. Ha thekenoloji e ntse e tsoela pele ho fetoha, ho tla ba monate ho bona hore na mekhoa e mecha ea ho ntšoa ha khauta e hlaha, empa hajoale, sodium cyanide e ntse e le sebapali sa bohlokoa sepheong sa ho notlolla boleng ba khauta ho tloha ore.

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